Etravirine interactions

CYP3A4 Inducers: Avoid concomitant strong CYP3A4 inducers during YONSA treatment. (Abiraterone label, Drug interactions)

• CYP3A Inducers: Avoid co-administration with strong CYP3A inducers. (Acalabrutinib label, Drug interactions)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (Acetaminophen and codeine label, Boxed warning)

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs alone or in combination with other antiretrovirals [See Warnings and Precautions (5. (Adefovir label, Boxed warning)

CYP3A4 Inducers : Avoid coadministration of VIJOICE with a strong CYP3A4 inducer. (Alpelisib label, Drug interactions)

• Simultaneous use of combined P-gp and strong CYP3A4 inducers reduces blood levels of apixaban: Avoid concomitant use. (Apixaban label, Drug interactions)

Drug Interactions : Use with strong cytochrome P450 enzyme inducers (e.g., rifampin, phenobarbital, carbamazepine, phenytoin) is not recommended because loss of efficacy may occur ( 5.5 , 7.1 ) (Apremilast label, Warnings and precautions)

CYP3A4 Inducers : Avoid concomitant use for greater than 14 days ( 7.1 ) (Aripiprazole label, Drug interactions)

Etravirine and atazanavir/ritonavir can be co-administered without dose adjustments. atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure… (Etravirine label, Drug interactions)

Moderate CYP3A4/5 inducers (e.g., bosentan, efavirenz, etravirine, modafinil, and nafcillin) may also reduce the plasma exposure of axitinib and should be avoided if possible. (Axitinib label, Drug interactions)

Concomitant administration of BIXLENVO is contraindicated with: dofetilide due to the potential for increased dofetilide plasma concentrations and associated serious and/or life-threatening events. strong CYP3A inducers due to decreased plasma concentrations of BIC and LEN, which may result in the loss of therapeutic effect and development of resistance to BIXLENVO. (Bictegravir, emtricitabine, and tenofovir alafenamide label, Contraindications)

Strong CYP3A4 Inducers: Avoid concomitant use. (Bortezomib label, Drug interactions)

Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (Bosentan label, Drug interactions)

• Strong CYP3A Inducers: Avoid concomitant use with BOSULIF. (Bosutinib label, Drug interactions)

Evaluate patients starting CYP3A4 inhibitors or stopping CYP3A4 inducers at frequent intervals for respiratory depression. (Buprenorphine label, Drug interactions)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (Butalbital, acetaminophen, caffeine, and codeine label, Boxed warning)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (Butalbital, aspirin, caffeine, and codeine label, Boxed warning)

Coadministration with other antiretroviral medications for PrEP is not recommended. (Cabotegravir label, Drug interactions)

Avoid chronic co-administration of strong CYP3A4 inducers (e.g., phenytoin, carbamazepine, rifampin, rifabutin, rifapentine, phenobarbital, St. (Cabozantinib label, Drug interactions)

Etravirine should not be used in combination with carbamazepine, phenobarbital, or phenytoin as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Intervention: Concomitant use of VRAYLAR with a CYP3A4 inducer is not recommended [see Dosage and Administration ( 2.1 , 2.6 ) ] . (Cariprazine label, Drug interactions)

Avoid use of Citalopram Capsules in CYP2C19 poor metabolizers, patients receiving concomitant cimetidine or another CYP2C19 inhibitor, patients with hepatic impairment, and patients who are greater than 60 years of age, because Citalopram Capsules are only available in a 30 mg dose strength and dosage adjustments are not possible [see Drug Interactions ( 7 ),… (Citalopram label, Warnings and precautions)

Antiviral and antiretroviral drugs: Avoid concomitant use. (Cladribine label, Drug interactions)

CYP2C19 inhibitors: Avoid concomitant use of omeprazole or esomeprazole. (Clopidogrel label, Warnings and precautions)

• Concomitant use of Strong CYP3A4 Inducers is not recommended. (Clozapine label, Drug interactions)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex. (Codeine label, Boxed warning)

P-glycoprotein The concomitant use of colchicine capsules and inhibitors of P-glycoprotein (e.g. clarithromycin, ketoconazole, cyclosporine, etc.) should be avoided due to the potential for serious and life-threatening toxicity [see Warnings and Precautions (5.3) and Clinical Pharmacology (12) ] . (Colchicine label, Drug interactions)

Avoid use of PRADAXA Capsules and P-gp inhibitors in patients with severe renal impairment (CrCl 15-30 mL/min) [see Drug Interactions (7.1) and Use in Specific Populations (8.6) ] . (Dabigatran label, Warnings and precautions)

Moderate or Strong CYP3A4 inducers: Avoid concomitant use. (Daridorexant label, Drug interactions)

…atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure (AUC) of etravirine was reduced when Etravirine was co-administered with darunavir/ritonavir. (Etravirine label, Drug interactions)

Etravirine and atazanavir/ritonavir can be co-administered without dose adjustments. atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure… (Etravirine label, Drug interactions)

If concomitant administration of a strong CYP3A4 inducer cannot be avoided, consider a dose increase [see Dosage and Administration ( 2.3 )] . (Dasatinib label, Drug interactions)

Avoid use of moderate or strong CYP3A4 inducers with EMFLAZA, as they may reduce efficacy ( 7.1 ) (Deflazacort label, Drug interactions)

Concomitant Drug Class: Drug Name Effect on Concentration of Dolutegravir and/or Concomitant Drug Clinical Comment HIV-1 Antiviral Agents Non-nucleoside reverse transcriptase inhibitor: Etravirine a ↓Dolutegravir Use of TIVICAY or TIVICAY PD with etravirine without coadministration of atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir is not recommended. (Dolutegravir label, Drug interactions)

HIV Antiviral Agents efavirenz etravirine nevirapine ↓ doravirine Use with efavirenz, etravirine, or nevirapine is not recommended. (Doravirine label, Drug interactions)

• Avoid concomitant use of doxorubicin hydrochloride with inhibitors and inducers of CYP3A4, CYP2D6, and/or P-gp ( 7.1 ) (Doxorubicin label, Drug interactions)

• CYP3A inducers: Avoid concomitant use. (Dronedarone label, Drug interactions)

Lactic Acidosis and Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs and other antiretrovirals. (Efavirenz, lamivudine, and tenofovir label, Warnings and precautions)

Therefore, concomitant use with strong CYP3A inducers is not recommended [see Drug Interactions (7.1) and Clinical Pharmacology (12.3) ] . (Elexacaftor, tezacaftor, and ivacaftor label, Warnings and precautions)

Etravirine and atazanavir/ritonavir can be co-administered without dose adjustments. atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure… (Etravirine label, Drug interactions)

Lactic Acidosis/Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs, including FTC, alone or in combination with other antiretrovirals. (Emtricitabine label, Warnings and precautions)

Etravirine and delavirdine should not be co-administered. rilpivirine ↓ rilpivirine ↔ etravirine Combining two NNRTIs has not been shown to be beneficial. (Etravirine label, Drug interactions)

Therapy with BARACLUDE is not recommended for HIV/HBV co-infected patients who are not also receiving highly active antiretroviral therapy (HAART) [see Warnings and Precautions (5.2) ] . (Entecavir label, Boxed warning)

Strong CYP3A inhibitor and P-gp inhibitor : Avoid coadministration. (Everolimus label, Drug interactions)

• Concomitant use with CYP3A4 inhibitors (or discontinuation of CYP3A4 inducers) can result in a fatal overdose of fentanyl. (Fentanyl label, Boxed warning)

Preventing or Managing DI The concomitant use of ADDYI with CYP3A4 inducers is not recommended. (Flibanserin label, Drug interactions)

…unknown Co-administration of Etravirine with darunavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to darunavir. fosamprenavir (without ritonavir) ↑ amprenavir Concomitant use of Etravirine with fosamprenavir without low-dose ritonavir may cause a significant alteration in the plasma concentration… (Etravirine label, Drug interactions)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Hydrocodone label, Boxed warning)

In addition, discontinuation of a concomitantly used Cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentrations. (Hydrocodone and acetaminophen label, Boxed warning)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Hydrocodone and chlorpheniramine label, Boxed warning)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Hydrocodone and homatropine label, Boxed warning)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in hydrocodone plasma concentration. (Hydrocodone and ibuprofen label, Boxed warning)

Increased Toxicity with Concomitant Use of Antiretroviral Drugs Pancreatitis Pancreatitis (including fatal cases) have occurred in patients with HIV infection during therapy with hydroxyurea and didanosine, with or without stavudine. (Hydroxyurea label, Drug interactions)

• Strong CYP3A4 Inducers: Do not administer strong CYP3A4 inducers with CAMPTOSAR. (Irinotecan label, Drug interactions)

Avoid concomitant use of CYP3A4 inducers when using Corlanor. (Ivabradine label, Drug interactions)

Therefore, administration of potent enzyme inducers of CYP3A4 with ketoconazole tablets is not recommended. (Ketoconazole label, Drug interactions)

Avoid strong CYP3A4 inducers. (Lapatinib label, Drug interactions)

Strong CYP3A4 Inducers: Avoid coadministration of strong CYP3A4 inducers with VITRAKVI. (Larotrectinib label, Drug interactions)

Consider alternative HCV or antiretroviral therapy to avoid increases in tenofovir exposures. (Ledipasvir and sofosbuvir label, Drug interactions)

Strong or moderate CYP3A inducers: Avoid concomitant use. (Lemborexant label, Drug interactions)

Concomitant administration of SUNLENCA with strong CYP3A inducers is contraindicated due to decreased lenacapavir plasma concentrations, which may result in the loss of therapeutic effect and development of resistance to SUNLENCA [see Drug Interactions (7.1) ] . (Lenacapavir label, Contraindications)

Etravirine and atazanavir/ritonavir can be co-administered without dose adjustments. atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure… (Etravirine label, Drug interactions)

Effect of Other Drugs on LORBRENA Strong CYP3A Inducers LORBRENA is contraindicated in patients taking strong CYP3A inducers [see Contraindication (4) ] . (Lorlatinib label, Drug interactions)

CYP3A4 inducers: Avoid concomitant use with CAPLYTA. (Lumateperone label, Drug interactions)

Strong CYP3A4 inducers (e.g., rifampin, avasimibe, St. (Lurasidone label, Contraindications)

Strong CYP3A4 inducers (rifampin) reduce exposure to macitentan: avoid co-administration with OPSUMIT ( 7.1 , 12.3 ). (Macitentan label, Drug interactions)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in meperidine plasma concentration. (Meperidine label, Boxed warning)

CYP3A inducers: Do not use mifepristone with CYP3A inducers ( 7.3 ). (Mifepristone label, Drug interactions)

John's Wort) Clinical Impact Significant decrease in plasma naldemedine concentrations, which may reduce efficacy [see Clinical Pharmacology (12.3) ] Intervention Avoid use of SYMPROIC with strong CYP3A inducers. (Naldemedine label, Drug interactions)

Strong CYP3A4 inducers (e.g., rifampin) : Decreased concentrations of naloxegol; concomitant use is not recommended. (Naloxegol label, Drug interactions)

Female gender and higher CD4 + cell counts at initiation of therapy place patients at increased risk; women with CD4 + cell counts greater than 250 cells/mm 3 , including pregnant women receiving nevirapine in combination with other antiretrovirals for the treatment of HIV-1 infection, are at the greatest risk. (Nevirapine label, Boxed warning)

John’s Wort reduce the bioavailability and efficacy of nifedipine; therefore nifedipine should not be used in combination with strong CYP3A inducers such as rifampin (See CONTRAINDICATIONS ). (Nifedipine label, Drug interactions)

Strong CYP3A Inducers: Avoid concomitant use with CAVHANZA. (Nilotinib label, Drug interactions)

HIV-antiviral agents: protease inhibitors (PIs) atazanavir (without ritonavir) ↓ atazanavir Co-administration of Etravirine and atazanavir without low-dose ritonavir is not recommended. atazanavir/ritonavir ↓ atazanavir ↔ etravirine Concomitant use of Etravirine with atazanavir/ritonavir decreased atazanavir C min but it is not considered clinically relevant. (Etravirine label, Drug interactions)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with COCs ( 7.1 ) -- - ---------- ------ USE IN SPECIFIC POPULATIONS---- -- -- --------- ---- Lactation: Not recommended; Lo Loestrin Fe can decrease milk production ( 8.2 ) (Norethindrone and ethinyl estradiol label, Drug interactions)

If a CYP3A4 inducer is discontinued, consider OLINVYK dosage reduction and monitor for signs of respiratory depression. (Oliceridine label, Drug interactions)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (Oxycodone label, Boxed warning)

In addition, discontinuation of a concomitantly used cytochrome P450 3A4 inducer may result in an increase in oxycodone plasma concentration. (Oxycodone and acetaminophen label, Boxed warning)

• CYP3A Inducers: Avoid concurrent use of IBRANCE with strong CYP3A inducers. (Palbociclib label, Drug interactions)

Strong CYP3A4 and P-glycoprotein (P-gp) inducers : Avoid using a strong inducer of CYP3A4 and/or P-gp during a dosing interval for ERZOFRI. (Paliperidone label, Drug interactions)

VOTRIENT is not recommended if chronic use of strong CYP3A4 inducers cannot be avoided. (Pazopanib label, Drug interactions)

Etravirine should not be used in combination with carbamazepine, phenobarbital, or phenytoin as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Etravirine should not be used in combination with carbamazepine, phenobarbital, or phenytoin as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Etravirine should not be used in combination with carbamazepine, phenobarbital, or phenytoin as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Strong or Moderate CYP3A4 Inducers: Avoid concomitant use of NUPLAZID. (Pimavanserin label, Drug interactions)

• Patients taking strong Cytochrome P450 3A enzyme (CYP3A) inducers, such as rifampin, [see Warnings and Precautions ( 5.6 ) and Drug Interactions ( 7.1 , 7.2 )] . (Praziquantel label, Contraindications)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with codeine are complex, requiring careful consideration of the effects on the parent drug, codeine, and the active metabolite, morphine. (Promethazine and codeine label, Boxed warning)

ASPRUZYO Sprinkle is contraindicated in patients: Taking strong inhibitors of CYP3A [see Drug Interactions (7.1)] Taking inducers of CYP3A [see Drug Interactions (7.1)] With liver cirrhosis [see Use in Specific Populations (8.6)] Strong CYP3A inhibitors (e.g., ketoconazole, clarithromycin, nelfinavir) (4, 7.1) (Ranolazine label, Contraindications)

If Etravirine is co-administered with darunavir/ritonavir, lopinavir/ritonavir or saquinavir/ritonavir, then rifabutin should not be co-administered due to the potential for significant reductions in etravirine exposure. (Etravirine label, Drug interactions)

Etravirine should not be used with rifampin or rifapentine as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Etravirine should not be used with rifampin or rifapentine as co-administration may cause significant decreases in etravirine plasma concentrations and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Etravirine and delavirdine should not be co-administered. rilpivirine ↓ rilpivirine ↔ etravirine Combining two NNRTIs has not been shown to be beneficial. (Etravirine label, Drug interactions)

• Strong and Moderate CYP3A Inducers: Avoid concomitant administration. (Rimegepant label, Drug interactions)

• Certain CYP3A inducers: Coadministration with strong inducers of CYP3A is not recommended. (Ritlecitinib label, Drug interactions)

Etravirine and atazanavir/ritonavir can be co-administered without dose adjustments. atazanavir/cobicistat ↓ atazanavir ↓ cobicistat Co-administration of Etravirine with atazanavir/cobicistat is not recommended because it may result in loss of therapeutic effect and development of resistance to atazanavir. darunavir/ritonavir ↓ etravirine The mean systemic exposure… (Etravirine label, Drug interactions)

Avoid concomitant use of XARELTO with drugs that are known combined P-gp and strong CYP3A inducers [see Drug Interactions (7.3) ] . (Rivaroxaban label, Warnings and precautions)

• Drug Interactions: Use with strong cytochrome P450 enzyme inducers (e.g., rifampicin, phenobarbital, carbamazepine, phenytoin) is not recommended. (Roflumilast label, Warnings and precautions)

Intervention: Avoid the use of VARUBI in patients who require chronic administration of strong CYP3A4 inducers. (Rolapitant label, Drug interactions)

• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ). (Romidepsin label, Drug interactions)

Interaction with Strong Inhibitors and Inducers of CYP3A4 and/or P-gp Avoid concomitant use of sirolimus with strong inhibitors of CYP3A4 and/or P-gp (such as ketoconazole, voriconazole, itraconazole, erythromycin, telithromycin, or clarithromycin) or strong inducers of CYP3A4 and/or P-gp (such as rifampin or rifabutin) [ see Drug Interactions (7.2) ]. (Sirolimus label, Warnings and precautions)

• Strong CYP3A Inducers: Avoid strong CYP3A4 inducers. (Sorafenib label, Drug interactions)

St. John's wort can lower blood levels of some HIV medicines enough to cause treatment failure. (NCCIH, St. John's Wort)

Effect of Other Drugs on TALZENNA Effect of P-gp Inhibitors Breast Cancer Avoid coadministration of TALZENNA with the following P-gp inhibitors: itraconazole, amiodarone, carvedilol, clarithromycin, itraconazole, and verapamil. (Talazoparib label, Drug interactions)

Inducers of CYP3A4 Strong CYP3A4 inducers should not be used with tamoxifen. (Tamoxifen label, Drug interactions)

Strong CYP3A4 inducers (e.g., rifampin): Avoid use of HETLIOZ in combination with rifampin or other CYP3A4 inducers, because of decreased exposure ( 7.2 , 12.3 ) (Tasimelteon label, Drug interactions)

Lactic Acidosis/Severe Hepatomegaly with Steatosis Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogs, including TDF, alone or in combination with other antiretrovirals. (Tenofovir label, Warnings and precautions)

Avoid co-administration of strong CYP3A4 inhibitors (e.g., itraconazole, clarithromycin, ritonavir) and strong CYP3A4 inducers (e.g., rifampin, phenytoin) with TEPADINA due to the potential effects on efficacy and toxicity [see Clinical Pharmacology ( 12.3 ) ] . (Thiotepa label, Drug interactions)

• Avoid use with strong CYP3A inhibitors or CYP3A inducers. (Ticagrelor label, Drug interactions)

Avoid concomitant use of SAMSCA with strong CYP3A inducers. (Tolvaptan label, Drug interactions)

Avoid concomitant use HYCAMTIN capsules with P-gp inhibitors or BCRP inhibitors. (Topotecan label, Drug interactions)

Coadministration with a strong CYP3A4 inducer may result in a relevant decrease in FARESTON exposure and should be avoided. (Toremifene label, Drug interactions)

CYP3A inducers: Avoid concomitant strong CYP3A inducers ( 7.1 ) (Trabectedin label, Drug interactions)

The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (Tramadol label, Boxed warning)

Interactions with Drugs Affecting Cytochrome P450 Isoenzymes The effects of concomitant use or discontinuation of cytochrome P450 3A4 inducers, 3A4 inhibitors, or 2D6 inhibitors with tramadol are complex. (Tramadol and acetaminophen label, Boxed warning)

Avoid concomitant use with strong CYP3A inducers if possible. (Tretinoin label, Drug interactions)

Strong CYP3A4 Inducers: Should be avoided as concomitant use will result in reduction of ubrogepant exposure. (Ubrogepant label, Drug interactions)

Ella should not be administered with CYP3A4 inducers [see Drug interactions (7.1) and Clinical Pharmacology (12.3) ] . (Ulipristal label, Warnings and precautions)

Strong CYP3A4 Inducers : Coadministration of RINVOQ/RINVOQ LQ with strong CYP3A4 inducers is not recommended. (Upadacitinib label, Drug interactions)

Use of strong CYP3A4 inducers with INGREZZA or INGREZZA SPRINKLE Concomitant use is not recommended. (Valbenazine label, Drug interactions)

Strong CYP3A Inducers : Avoid concomitant use with strong CYP3A inducers. (Vepdegestrant label, Drug interactions)

Therefore, the concomitant use of P-gp inhibitors or inducers should be avoided. (Vincristine label, Drug interactions)

Lactic acidosis and severe hepatomegaly with steatosis, including fatal cases, have been reported with the use of nucleoside analogues alone or in combination, including zidovudine and other antiretrovirals. (Zidovudine label, Boxed warning)

John's wort, a CYP3A4 inducer, in combination with zolpidem may decrease blood levels of zolpidem and is not recommended. (Zolpidem label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

P-glycoprotein (P-gp) Inhibitors : Co-administration of P-gp inhibitors can increase afatinib exposure. (Afatinib label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Amlodipine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Blood pressure should be monitored when amlodipine is coadministered with CYP3A4 inducers (e.g. rifampicin, St. (Amlodipine and benazepril label, Drug interactions)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Amlodipine and olmesartan label, Drug interactions)

Blood pressure should be closely monitored when amlodipine is coadministered with CYP3A inducers (e.g. rifampicin, St. (Amlodipine and valsartan label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Phosphodiesterase type 5 (PDE-5) inhibitors : sildenafil tadalafil vardenafil ↓ sildenafil ↓ N-desmethyl-sildenafil Etravirine and sildenafil can be co-administered without dose adjustments, however, the dose of sildenafil may need to be altered based on clinical effect. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Alternatives to clarithromycin, such as azithromycin, should be considered for the treatment of MAC. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Clinically Significant Interactions with Bexagliflozin Tablets UGT Enzyme Inducers Clinical Impact UGT Enzyme Inducers may significantly reduce exposure to bexagliflozin and lead to a decreased efficacy [ see Clinical Pharmacology ( 12.3 )]. (Bexagliflozin label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Strong CYP3A4 inducers Double the recommended dosage and further adjust based on clinical response. (Brexpiprazole label, Drug interactions)

Therefore, potent inhibitors or inducers of CYP3A4 may increase or reduce the circulating levels of CYCLOSET, respectively. (Bromocriptine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Other inhibitors and inducers of CYP3A4: Substances that inhibit CYP3A4, such as ketoconazole or ritonavir, may inhibit buspirone metabolism and increase plasma concentrations of buspirone while substances that induce CYP3A4, such as dexamethasone or certain anticonvulsants (phenytoin, phenobarbital, carbamazepine), may increase the rate of buspirone metabolism. (Buspirone label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Table 7: Clinically Significant Drug Interactions with INVOKANA UGT Enzyme Inducers Clinical Impact: UGT enzyme inducers decrease canagliflozin exposure which may reduce the effectiveness of INVOKANA. (Canagliflozin label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

• Strong inducer of CYP3A4 or CYP2C19: Consider dose increase of EPIDIOLEX. (Cannabidiol (prescription) label, Drug interactions)

Co-administration of CYP2C19 inhibitors, such as omeprazole or fluvoxamine, with carisoprodol could result in increased exposure of carisoprodol and decreased exposure of meprobamate. (Carisoprodol label, Drug interactions)

Amiodarone Amiodarone and its metabolite desethyl amiodarone, inhibitors of CYP2C9, and P- glycoprotein increased concentrations of the S(-)-enantiomer of carvedilol by at least 2 fold [see Clinical Pharmacology (12.5) ]. (Carvedilol label, Drug interactions)

Inducers of Hepatic CYP Enzymes Rifampin : Rifampin is a potent CYP3A4 inducer and concomitant administration with caspofungin acetate for injection is expected to reduce the plasma concentrations of caspofungin acetate for injection. (Caspofungin label, Drug interactions)

Co-administration of celecoxib with drugs that are known to inhibit CYP2C9 (e.g., fluconazole) may enhance the exposure and toxicity of celecoxib whereas co-administration with CYP2C9 inducers (e.g., rifampin) may lead to compromised efficacy of celecoxib. (Celecoxib label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Antiinfective : clarithromycin ↑ etravirine ↓ clarithromycin ↑ 14-OH-clarithromycin Clarithromycin exposure was decreased by Etravirine; however, concentrations of the active metabolite, 14-hydroxy-clarithromycin, were increased. (Etravirine label, Drug interactions)

Inducers of CYP3A4 and CYP3A5 Inducers of CYP3A4 and/or CYP3A5 may reduce plasma concentrations of clindamycin. (Clindamycin label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

…several closely related tricyclic antidepressants have been reported to be increased by the concomitant administration of methylphenidate or hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decreased by the concomitant administration of hepatic enzyme inducers (e.g., barbiturates, phenytoin), and such an effect may be anticipated with CMI as well. (Clomipramine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

…nelfinavir, ritonavir, darunavir/ritonavir, (fos)amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir] or increase [e.g., indinavir and atazanavir/ritonavir]) /HCV protease inhibitors (decrease [e.g., boceprevir and telaprevir]) or with non-nucleoside reverse transcriptase inhibitors (decrease [e.g., nevirapine] or increase [e.g., etravirine]). (Desogestrel and ethinyl estradiol label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Systemic dexamethasone should be used with caution or alternatives should be considered, particularly for long-term use. (Etravirine label, Drug interactions)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with dexlansoprazole may reduce antiviral effect and promote the development of drug resistance . (Dexlansoprazole label, Drug interactions)

The serum digoxin concentrations should be monitored and used for titration of the digoxin dose to obtain the desired clinical effect. amiodarone bepridil disopyramide flecainide lidocaine (systemic) mexiletine propafenone quinidine ↓ antiarrhythmics Concentrations of these antiarrhythmics may be decreased when co-administered with Etravirine. (Etravirine label, Drug interactions)

A decrease in diazepam dose may be needed. (Etravirine label, Drug interactions)

Co-administration of diclofenac with CYP2C9 inhibitors (e.g. voriconazole) may enhance the exposure and toxicity of diclofenac whereas co- administration with CYP2C9 inducers (e.g. rifampin) may lead to compromised efficacy of diclofenac. (Diclofenac label, Drug interactions)

Co-administration of diclofenac with CYP2C9 inhibitors (e.g., voriconazole) may enhance the exposure and toxicity of diclofenac [see Clinical Pharmacology (12.3) ] whereas co-administration with CYP2C9 inducers (e.g., rifampin) may lead to compromised efficacy of diclofenac. (Diclofenac and misoprostol label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (Divalproex (valproate) label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Examples Glutethimide and phenobarbital Intervention If a patient initiates or discontinues therapy with an enzyme inducer, dose adjustment of doxercalciferol may be necessary. (Doxercalciferol label, Drug interactions)

Monitor for increased dronabinol-related adverse reactions when dronabinol oral solution is co-administered with inhibitors of CYP2C9 (e.g., amiodarone, fluconazole) and inhibitors of CYP3A4 enzymes (e.g., ketoconazole, itraconazole, clarithromycin, ritonavir, erythromycin, grapefruit juice). (Dronabinol label, Drug interactions)

Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures. (Etravirine label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Concomitant use of Etravirine with efavirenz or nevirapine may cause a significant decrease in the plasma concentrations of etravirine and loss of therapeutic effect of Etravirine. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Coadministration of DESCOVY with other drugs that inhibit P-gp and BCRP may increase the absorption and plasma concentration of TAF. (Emtricitabine and tenofovir label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

CYP3A4 Inducers Pre-treatment with a CYP3A4 inducer prior to erlotinib decreased erlotinib exposure [see Clinical Pharmacology (12.3) ]. (Erlotinib label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

CYP2C19 Substrates APTIOM can inhibit CYP2C19, which can cause increased plasma concentrations of drugs that are metabolized by this isoenzyme (e.g., phenytoin, clobazam, and omeprazole) [see Clinical Pharmacology ( 12.3 )]. (Eslicarbazepine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with esomeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology (12.3) ] . (Esomeprazole label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Women who take medications that are strong CYP3A4 inducers should not choose Natazia as their oral contraceptive while using these inducers and for at least 28 days after discontinuation of these inducers due to the possibility of increased breakthrough bleeding and/or decreased contraceptive efficacy. (Estradiol and dienogest label, Drug interactions)

Drugs that Induce CYP3A4 (Rifampicin) Racemic zopiclone exposure was decreased 80% by concomitant use of rifampicin, a potent inducer of CYP3A4. (Eszopiclone label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

…ritonavir, darunavir/ritonavir, (fos)amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir] or increase [e.g., indinavir and atazanavir/ritonavir]) /HCV protease inhibitors (decrease [e.g., boceprevir and telaprevir]) or with non-nucleoside reverse transcriptase inhibitors (decrease [e.g., efavirenz, nevirapine] or increase [e.g., etravirine]). (Etonogestrel and ethinyl estradiol label, Drug interactions)

Strong CYP 3A4 inducers: Concomitant use of strong CYP 3A4 inducers decreases exemestane exposure. (Exemestane label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Phenobarbital Clinical Impact: Chronic administration of phenobarbital, a known enzyme inducer, may be associated with a decrease in the plasma half-life of fenoprofen. (Fenoprofen label, Drug interactions)

CYP3A4 Inducers No dosing adjustments are recommended in the presence of CYP3A4 inducers, such as rifampin and carbamazepine. (Fesoterodine label, Drug interactions)

Concentrations of fidaxomicin and OP-1118 may also be decreased at the site of action (i.e., gastrointestinal tract) via P-gp inhibition; however, concomitant P-gp inhibitor use had no attributable effect on safety or treatment outcome of fidaxomicin-treated adult patients in controlled clinical trials. (Fidaxomicin label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

• CYP3A4 Inducer: Increase IRESSA to 500 mg daily in patients receiving a strong CYP3A4 inducer. (Gefitinib label, Drug interactions)

…and its plasma concentrations can be significantly affected resulting in an increase in exposure Consider dose reduction [see Dosage and administration (2.7) ] Strong and moderate CYP3A4 inducers, e.g., rifampin, efavirenz Guanfacine is primarily metabolized by CYP3A4 and its plasma concentrations can be significantly affected resulting in a decrease in exposure… (Guanfacine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Drugs that May Decrease Haloperidol Plasma Concentrations Coadministration of haloperidol with potent enzyme inducers of CYP3A4 may gradually decrease the plasma concentrations of haloperidol to such an extent that efficacy may be reduced. (Haloperidol label, Drug interactions)

Anticoagulant : warfarin ↑ anticoagulants Warfarin concentrations may be increased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

• CYP3A4 Inducers: Monitor for increased toxicity when used in combination with CYP3A4 inducers. (Ifosfamide label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

The plasma concentration of imipramine may increase when the drug is given concomitantly with hepatic enzyme inhibitors (e.g., cimetidine, fluoxetine) and decrease by concomitant administration with hepatic enzyme inducers (e.g., barbiturates, phenytoin), and adjustment of the dosage of imipramine may therefore be necessary. (Imipramine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Concomitant systemic use of itraconazole or ketoconazole and Etravirine may increase plasma concentrations of etravirine. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Strong CYP3A4 or CYP2C9 Inhibitors Patients with renal or hepatic impairment who are taking strong inhibitors of CYP3A4 and CYP2C9 may have a significant increase in exposure to VIMPAT. (Lacosamide label, Drug interactions)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with lansoprazole may reduce antiviral effect and promote the development of drug resistance. (Lansoprazole label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

In contrast, significant increases in systemic exposure of the estrogen and/or progestin have been noted when CHCs are co-administered with certain other HIV protease inhibitors (e.g., indinavir and atazanavir/ritonavir) and with other non-nucleoside reverse transcriptase inhibitors (e.g., etravirine). (Levonorgestrel and ethinyl estradiol label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

The serum digoxin concentrations should be monitored and used for titration of the digoxin dose to obtain the desired clinical effect. amiodarone bepridil disopyramide flecainide lidocaine (systemic) mexiletine propafenone quinidine ↓ antiarrhythmics Concentrations of these antiarrhythmics may be decreased when co-administered with Etravirine. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Strong P-glycoprotein/CYP3A4 inducer: The efficacy of TRADJENTA may be reduced when administered in combination (e.g., with rifampin). (Linagliptin label, Drug interactions)

Inducers of P-glycoprotein or CYP3A4 Enzymes Clinical Impact Rifampin decreased linagliptin exposure, suggesting that the efficacy of linagliptin may be reduced when administered in combination with a strong P-gp or CYP3A4 inducer. (Linagliptin and metformin label, Drug interactions)

Drug Interactions Effects of Other Drugs on Loperamide Concomitant use of loperamide hydrochloride capsules with inhibitors of CYP3A4 (e.g., itraconazole) or CYP2C8 (e.g., gemfibrozil) or inhibitors of P-glycoprotein (e.g., quinidine, ritonavir) can increase exposure to loperamide. (Loperamide label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Thus concomitant usage of CYP2C9 inhibitors (such as amiodarone, fluconazole, and sulphaphenazole) may lead to abnormally high plasma levels of meloxicam due to reduced metabolic clearance [ see Use in Specific Populations ( 8.8 ); and Clinical Pharmacology ( 12.3 , 12.5 ) ]. (Meloxicam label, Drug interactions)

Inducers of CYP3A4 (e.g., phenytoin, carbamazepine, dexamethasone, rifampin, and phenobarbital) could increase the rate of elimination of donepezil. (Memantine and donepezil label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

CYP3A4 inducers Drugs (e.g. nevirapine, rifampin) that are strong inducers of CYP3A4 are likely to decrease the pharmacological action of methylergonovine maleate. (Methylergonovine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Antifungals : fluconazole ↑ etravirine ↔ fluconazole Co-administration of etravirine and fluconazole significantly increased etravirine exposures. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

John's Wort, tramadol, tryptophan, buspirone Strong CYP3A Inducers Clinical Impact The concomitant use of strong CYP3A inducers with REMERON/REMERONSolTab decreases the plasma concentration of mirtazapine [see Clinical Pharmacology (12.3) ] . (Mirtazapine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with esomeprazole magnesium may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology (12.3) ]. (Naproxen and esomeprazole label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

…salicylates, monoamine oxidase inhibitors, non-selective beta-adrenergic-blocking agents, anabolic hormones (e.g., methandrostenolone), guanethidine, gymnema sylvestre, glucomannan, thioctic acid, and inhibitors of CYP2C9 (e.g., amiodarone, fluconazole, voriconazole, sulfinpyrazone) or in patients known to be poor metabolizers of CYP2C9 substrates, alcohol. (Nateglinide label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Possible Reduced Efficacy with Strong CYP3A4 Inducers Concomitant use of strong CYP3A4 inducers (e.g., carbamazepine, phenobarbital, phenytoin, rifampin, St. (Nimodipine label, Warnings and precautions)

Coadministration with oral doses of a P-gp and CYP3A4 inducer, rifampicin, decreased exposure to nintedanib by 50%. (Nintedanib label, Drug interactions)

…with HIV protease inhibitors (decrease [e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos)amprenavir/ritonavir, lopinavir/ritnoavir, and tipranavir/ritonavir] or increase [e.g., indinavir and atazanavir/ritonavir])/HCV protease inhibitors or with non-nucleoside reverse transcriptase inhibitors (decrease [e.g., nevirapine] or increase [e.g., etravirine]). (Norelgestromin and ethinyl estradiol label, Drug interactions)

In contrast, significant increases in systemic exposure of the progestin have been noted in cases of co-administration with certain other HIV protease inhibitors (e.g., indinavir and atazanavir/ritonavir) and with other non-nucleoside reverse transcriptase inhibitors (e.g., etravirine). (Norethindrone label, Drug interactions)

…immunodeficiency virus (HIV)/Hepatitis C virus (HCV) protease inhibitors, non-nucleoside reverse transcriptase inhibitors , and HIV/AIDS medications containing strong inhibitors or inducers of CYP3A Significant changes (increase or decrease) in the plasma concentrations of estrogen and/or progestin have been noted in some cases of co-administration with HIV protease… (Norgestimate and ethinyl estradiol label, Drug interactions)

…progestin have been noted when COCs are co-administered with some HIV protease inhibitors (decrease [e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos) amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir], or increase [e.g., indinavir and atazanavir/ritonavir] HCV protease inhibitors (decrease [e.g., nevirapine] or increase [e.g., etravirine]). (Norgestrel and ethinyl estradiol label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Blood pressure should be closely monitored when amlodipine is co-administered with CYP3A inducers. (Olmesartan, amlodipine, and hydrochlorothiazide label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir and nelfinavir) when used concomitantly with omeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ( 12.3 )]. (Omeprazole label, Drug interactions)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir and nelfinavir) when used concomitantly with omeprazole may reduce antiviral effect and promote the development of drug resistance [see Clinical Pharmacology ( 12.3 )] . (Omeprazole and sodium bicarbonate label, Drug interactions)

Phenytoin, Carbamazepine, and Rifampin In patients treated with potent inducers of CYP3A4 (i.e., phenytoin, carbamazepine, and rifampin), the clearance of ondansetron was significantly increased and ondansetron blood concentrations were decreased. (Ondansetron label, Drug interactions)

Drug Interactions and Decreased Vitamin Absorption ORLISTAT may interact with concomitant drugs including cyclosporine, levothyroxine, warfarin, amiodarone, antiepileptic drugs, and antiretroviral drugs [see Drug Interactions (7) ]. (Orlistat label, Warnings and precautions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

• Decreased exposure of some antiretroviral drugs (e.g., rilpivirine atazanavir, and nelfinavir) when used concomitantly with pantoprazole may reduce antiviral effect and promote the development of drug resistance. (Pantoprazole label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Strong CYP3A4 Inducers: Decreased exposure of WAKIX; consider dosage adjustment of WAKIX ( 2.6 , 7.1 ) (Pitolisant label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Dose adjustments for itraconazole, ketoconazole or posaconazole may be necessary depending on the other co-administered drugs. (Etravirine label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Impact of Other Drugs on Propranolol CYP2D6, CYP1A2 and CYP2C19 Inhibitors: CYP2D6 inhibitors (e.g. bupropion, fluoxetine, paroxetine, quinidine), CYP1A2 inhibitors (e.g., ciprofloxacin, enoxamine, fluvoxamine) and CYP2C19 inhibitors (e.g., fluconazole, fluvoxamine, ticlopidine) increase exposure to propranolol when co-administered with INNOPRAN XL. (Propranolol label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

• Concomitant use of strong CYP3A4 inducers: Increase quetiapine dose up to 5 fold when used in combination with a chronic treatment (more than 7-14 days) of potent CYP3A4 inducers (e.g., phenytoin, rifampin, St. (Quetiapine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Decreased exposure of some antiretroviral drugs (e.g., rilpivirine, atazanavir, and nelfinavir) when used concomitantly with rabeprazole may reduce antiviral effect and promote the development of drug resistance. (Rabeprazole label, Drug interactions)

Rifampin (strong CYP enzyme inducer): Decreases exposure to and effects of ramelteon. (Ramelteon label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

CYP2C8 and CYP3A4 Inducers Intervention: Repaglinide tablets dose increases and increased frequency of glucose monitoring may be required when co‑administered. (Repaglinide label, Drug interactions)

• Concomitant P-glycoprotein (P-gp) inhibitors (e.g., cyclosporine): Caution should be exercised when concomitant use of XIFAXAN and a P-glycoprotein inhibitor is needed. (Rifaximin label, Warnings and precautions)

Carbamazepine and other enzyme inducers decrease plasma concentrations of risperidone. (Risperidone label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Effects of Other AEDs on BANZEL Potent cytochrome P450 enzyme inducers, such as carbamazepine, phenytoin, primidone, and phenobarbital, appear to increase the clearance of BANZEL (see Table 6). (Rufinamide label, Drug interactions)

Strong CYP3A4 Inducers Concomitant use of JAKAFI/JAKAFI XR with strong CYP3A4 inducers may decrease ruxolitinib exposure [ see Clinical Pharmacology ( 12.3 )] , which may reduce efficacy of JAKAFI/JAKAFI XR. (Ruxolitinib label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Drugs that induce CYP3A4 (e.g., phenytoin, carbamazepine, nafcillin, phenobarbital, and rifampin) should be used with caution. (Selegiline label, Drug interactions)

Phosphodiesterase type 5 (PDE-5) inhibitors : sildenafil tadalafil vardenafil ↓ sildenafil ↓ N-desmethyl-sildenafil Etravirine and sildenafil can be co-administered without dose adjustments, however, the dose of sildenafil may need to be altered based on clinical effect. (Etravirine label, Drug interactions)

Dose adjustments for these HMG-CoA reductase inhibitors may be necessary. (Etravirine label, Drug interactions)

Other agents Antiarrhythmics : digoxin ↔ etravirine ↑ digoxin For patients who are initiating a combination of Etravirine and digoxin, the lowest dose of digoxin should initially be prescribed. (Etravirine label, Drug interactions)

• CYP3A4 Inducers : Consider dose increase of SUTENT when administered with strong CYP3A4 inducers. (Sunitinib label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Phosphodiesterase type 5 (PDE-5) inhibitors : sildenafil tadalafil vardenafil ↓ sildenafil ↓ N-desmethyl-sildenafil Etravirine and sildenafil can be co-administered without dose adjustments, however, the dose of sildenafil may need to be altered based on clinical effect. (Etravirine label, Drug interactions)

Antimalarial : artemether/lumefantrine ↔ etravirine ↓ artemether ↓ dihydroartemisinin ↓ lumefantrine Caution is warranted when co-administering Etravirine and artemether/lumefantrine as it is unknown whether the decrease in exposure of artemether or its active metabolite, dihydroartemisinin, could result in decreased antimalarial efficacy. (Etravirine label, Drug interactions)

Narcotic analgesics/treatment of opioid dependence: buprenorphine buprenorphine/naloxone methadone ↔ etravirine ↓ buprenorphine ↔ norbuprenorphine ↔ methadone Etravirine and buprenorphine (or buprenorphine/naloxone) can be co-administered without dose adjustments, however, clinical monitoring for withdrawal symptoms is recommended as buprenorphine (or buprenorphine/naloxone)… (Etravirine label, Drug interactions)

Patients should be monitored for adequate clinical effect when amlodipine is co-administered with CYP3A4 inducers. (Telmisartan and amlodipine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Co-administration with Inducers or Inhibitors of CYP3A Metabolism Agents Inducing CYP3A Metabolism: Strong inducers of CYP3A4/5 such as dexamethasone, carbamazepine, phenytoin, phenobarbital, rifampin, rifabutin, and rifampacin may decrease exposure of the active metabolite, sirolimus. (Temsirolimus label, Warnings and precautions)

Terbinafine clearance is increased 100% by rifampin, a CYP450 enzyme inducer, and decreased 33% by cimetidine, a CYP450 enzyme inhibitor. (Terbinafine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

DRUG INTERACTIONS Hepatic microsomal enzyme inducing agents, such as carbamazepine, were found to significantly increase the clearance of thiothixene. (Thiothixene label, Drug interactions)

Use of tiagabine HCl without enzyme-inducing antiepileptic drugs results in blood levels about twice those attained in the studies on which current dosing recommendations are based (see DOSAGE AND ADMINISTRATION ). (Tiagabine label, Warnings)

CYP3A4 inducers/inhibitors: Monitor for decreased tinidazole effect or increased adverse reactions ( 7.2 ) (Tinidazole label, Drug interactions)

Platelet aggregation inhibitors: clopidogrel ↓ clopidogrel (active) metabolite Activation of clopidogrel to its active metabolite may be decreased when clopidogrel is co-administered with Etravirine. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

CYP2C9: Concomitant use with CYP2C9 inhibitors can decrease torsemide clearance. (Torsemide label, Drug interactions)

CYP3A4 Inducers: Increase in RALDESY dosage may be necessary ( 2.5 , 7 ). (Trazodone label, Drug interactions)

Co-administration of a CYP2C8 enzyme inducer (e.g., rifampin) may decrease exposure to treprostinil. (Treprostinil label, Warnings and precautions)

Corticosteroid : dexamethasone (systemic) ↓ etravirine Systemic dexamethasone induces CYP3A and can decrease etravirine plasma concentrations. (Etravirine label, Drug interactions)

Benzodiazepine: diazepam ↑ diazepam Concomitant use of Etravirine with diazepam may increase plasma concentrations of diazepam. (Etravirine label, Drug interactions)

Immunosuppressants : cyclosporine sirolimus tacrolimus ↓ immunosuppressant Etravirine and systemic immunosuppressants should be co-administered with caution because plasma concentrations of cyclosporine, sirolimus, or tacrolimus may be affected. (Etravirine label, Drug interactions)

Hepatic enzyme-inducing drugs (e.g., phenytoin, carbamazepine, phenobarbital, primidone, rifampin) can increase valproate clearance, while enzyme inhibitors (e.g., felbamate) can decrease valproate clearance. (Valproic acid label, Drug interactions)

Phosphodiesterase type 5 (PDE-5) inhibitors : sildenafil tadalafil vardenafil ↓ sildenafil ↓ N-desmethyl-sildenafil Etravirine and sildenafil can be co-administered without dose adjustments, however, the dose of sildenafil may need to be altered based on clinical effect. (Etravirine label, Drug interactions)

CCR5 antagonists maraviroc ↔ etravirine ↓ maraviroc When Etravirine is co-administered with maraviroc in the absence of a potent CYP3A inhibitor (e.g., ritonavir boosted protease inhibitor), the recommended dose of maraviroc is 600 mg twice daily. (Etravirine label, Drug interactions)

CYP3A4 Inducers: Consider increasing VIIBRYD dosage by 2-fold, up to 80 mg once-daily over 1 to 2 weeks when used concomitantly with strong CYP3A4 inducers for greater than 14 days ( 2.4 , 7 ). (Vilazodone label, Drug interactions)

The amount of safety data at these increased etravirine exposures is limited, therefore, etravirine and voriconazole should be co-administered with caution. (Etravirine label, Drug interactions)

The international normalized ratio (INR) should be monitored when warfarin is combined with Etravirine. (Etravirine label, Drug interactions)

Zafirlukast exposure is likely to be increased by other moderate and strong CYP2C9 inhibitors. (Zafirlukast label, Precautions)

Multiple-dose administration of the potent CYP3A4 inducer rifampin (600 mg every 24 hours, q24h, for 14 days), however, reduced zaleplon C max and AUC by approximately 80%. (Zaleplon label, Drug interactions)

Pharmacokinetic Interactions Carbamazepine Carbamazepine is an inducer of CYP3A4; administration of 200 mg twice daily for 21 days resulted in a decrease of approximately 35% in the AUC of ziprasidone. (Ziprasidone label, Drug interactions)

CYP3A4 Inducers If co-administration with a potent CYP3A4 inducer is necessary, the patient should be closely monitored and the dose of ZONISAMIDE and other drugs that CYP3A4 substrates may need to be adjusted [see Clinical Pharmacology ( 12.3 )] . (Zonisamide label, Drug interactions)

Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study. (Etravirine label, Warnings and precautions)

Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study. (Etravirine label, Warnings and precautions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Inducers of CYP3A4, such as St. (Conjugated estrogens and bazedoxifene label, Drug interactions)

Dapagliflozin or dapagliflozin 3-O-glucuronide did not meaningfully inhibit P-gp, OCT2, OAT1, or OAT3 active transporters. (Dapagliflozin label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

• Cytochrome P450 3A4 inducers, inhibitors, or substrates: May alter docetaxel metabolism. (Docetaxel label, Drug interactions)

Counsel patients to use a back-up or alternative method of contraception when enzyme inducers are used with COCs. (Drospirenone and ethinyl estradiol label, Drug interactions)

Effects of Other Drugs on HALAVEN No drug-drug interactions are expected with CYP3A4 inhibitors, CYP3A4 inducers or P-glycoprotein (P-gp) inhibitors. (Eribulin label, Drug interactions)

Inducers of CYP3A4 such as St. (Estradiol label, Drug interactions)

Inducers of CYP3A4 such as St. (Estradiol and norethindrone label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Potential for Glycerol Phenylbutyrate to Affect Other Drugs Drugs with narrow therapeutic index that are substrates of CYP3A4 Glycerol phenylbutyrate is a weak inducer of CYP3A4 in humans. (Glycerol phenylbutyrate label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study. (Etravirine label, Warnings and precautions)

Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study. (Etravirine label, Warnings and precautions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

P-glycoprotein Substrates Lomitapide is an inhibitor of P-glycoprotein (P-gp). (Lomitapide label, Drug interactions)

Counsel patients to use a back-up method or alternative method of contraception when enzyme inducers are used with MPA Injectable Suspension, USP. (Medroxyprogesterone label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Stevens-Johnson syndrome was reported in 1.1% (2/177) of pediatric patients less than 18 years of age receiving Etravirine in combination with other HIV-1 antiretroviral agents in an observational study. (Etravirine label, Warnings and precautions)

Strong CYP3A inducers: Strong inducers of CYP3A (for example, rifampin, phenytoin, carbamazepine, phenobarbital or St. (Riociguat label, Drug interactions)

Strong P-glycoprotein (P-gp) Inhibitors In vitro studies indicated that silodosin is a P‑gp substrate. (Silodosin label, Drug interactions)

Antiretrovirals: atazanavir lopinavir ↑ voxilaprevir Coadministration of VOSEVI with atazanavir- or lopinavir-containing regimens is not recommended. tipranavir/ritonavir ↓ sofosbuvir ↓ velpatasvir Coadministration is not recommended. (Sofosbuvir and velpatasvir label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

Potential for Etravirine to Affect Other Drugs Etravirine is an inducer of CYP3A and inhibitor of CYP2C9, CYP2C19 and P-glycoprotein (P-gp). (Etravirine label, Drug interactions)

CYP2C9 Venlafaxine did not inhibit CYP2C9 in vitro . (Venlafaxine label, Drug interactions)

Anticonvulsants : carbamazepine phenobarbital phenytoin ↓ etravirine Carbamazepine, phenobarbital and phenytoin are inducers of CYP450 enzymes. (Etravirine label, Drug interactions)

Drugs Having No Clinically Important Interactions with SAPHRIS No dosage adjustment of SAPHRIS is necessary when administered concomitantly with paroxetine (see Table 12 in Drug Interactions ( 7.1 ) for paroxetine dosage adjustment), imipramine, cimetidine, valproate, lithium, or a CYP3A4 inducer (e.g., carbamazepine, phenytoin, rifampin). (Asenapine label, Drug interactions)

Effect of Other Drugs on Micafungin in Sodium Chloride Injection CYP3A4, CYP2C9 and CYP2C19 Inhibitors Co-administration of Micafungin in Sodium Chloride Injection with cyclosporine, itraconazole, voriconazole and fluconazole did not alter the pharmacokinetics of micafungin. (Micafungin label, Drug interactions)

…adjustment is needed when SINGULAIR is co-administered with theophylline, prednisone, prednisolone, oral contraceptives, fexofenadine, digoxin, warfarin, gemfibrozil, itraconazole, thyroid hormones, sedative hypnotics, non-steroidal anti-inflammatory agents, benzodiazepines, decongestants, and Cytochrome P450 (CYP) enzyme inducers [see Clinical Pharmacology (12.3) ]. (Montelukast label, Drug interactions)

…to the drugs included in Table 4, the interaction between Etravirine and the following drugs were evaluated in clinical studies and no dose adjustment is needed for either drug [see Clinical Pharmacology (12.3) ] : didanosine, enfuvirtide (ENF), ethinylestradiol/norethindrone, omeprazole, paroxetine, raltegravir, ranitidine, and tenofovir disoproxil fumarate. (Etravirine label, Drug interactions)

…to the drugs included in Table 4, the interaction between Etravirine and the following drugs were evaluated in clinical studies and no dose adjustment is needed for either drug [see Clinical Pharmacology (12.3) ] : didanosine, enfuvirtide (ENF), ethinylestradiol/norethindrone, omeprazole, paroxetine, raltegravir, ranitidine, and tenofovir disoproxil fumarate. (Etravirine label, Drug interactions)