Efavirenz, lamivudin ve tenofovir ve Etravirin etkileşimi

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.

• SYMFI should not be administered with other antiretroviral medications for the treatment of HIV-1 infection.

Not Recommended with Other Antiretroviral Medications SYMFI is a complete regimen for the treatment of HIV-1 infection; therefore, it should not be administered with other antiretroviral medications for treatment of HIV-1 infection.

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.

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.

Antifungals : itraconazole ketoconazole posaconazole ↑ etravirine ↓ itraconazole ↓ ketoconazole ↔ posaconazole Posaconazole, a potent inhibitor of CYP3A4, may increase plasma concentrations of etravirine.

…should only be used with Etravirine when co-administered with atazanavir/ritonavir, darunavir/ritonavir, or lopinavir/ritonavir. dolutegravir/lopinavir /ritonavir ↔ dolutegravir ↔ etravirine HIV-antiviral agents: non-nucleoside reverse transcriptase inhibitors (NNRTIs) efavirenz nevirapine ↓ etravirine Combining two NNRTIs has not been shown to be beneficial.

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.