Interacciones de Fluorouracilo

Deaths from severe enterocolitis, diarrhea, and dehydration have occurred in elderly patients receiving weekly d,l- leucovorin and fluorouracil. (etiqueta de Ácido levofolínico (levoleucovorina), Advertencias y precauciones)

Intervention Concomitant administration with fluorouracil should be avoided. (etiqueta de Alopurinol, Interacciones medicamentosas)

Co-administration of such combinations of a CYP2C9 inhibitor plus a strong or moderate CYP3A inhibitor with TRACLEER is not recommended. (etiqueta de Bosentán, Interacciones medicamentosas)

XELODA is contraindicated in patients with history of severe hypersensitivity reaction to fluorouracil or capecitabine [see Adverse Reactions (6.1) ] . (etiqueta de Capecitabina, Contraindicaciones)

Moderate dual CYP3A4 and CYP2C9 inhibitors (fluconazole, amiodarone) or use of combined CYP3A4 and CYP2C9 inhibitors may increase exposure to macitentan: avoid co-administration with OPSUMIT ( 7.3 , 12.3 ). (etiqueta de Macitentán, Interacciones medicamentosas)

If the concomitant use of tinidazole and fluorouracil cannot be avoided, the patient should be monitored for fluorouracilassociated toxicities. (etiqueta de Tinidazol, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

HIV Protease inhibitor — Ritonavir (600 mg twice daily), a strong CYP3A4 inhibitor, which also inhibits CYP2C9, increased avanafil 50 mg single-dose C max and AUC equal to approximately 2-fold and 13-fold, and prolonged the half-life of avanafil to approximately 9 hours in healthy volunteers. (etiqueta de Avanafilo, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

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) ]. (etiqueta de Carvedilol, Interacciones medicamentosas)

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. (etiqueta de Celecoxib, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

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. (etiqueta de Diclofenaco, Interacciones medicamentosas)

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. (etiqueta de Diclofenaco y misoprostol, Interacciones medicamentosas)

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). (etiqueta de Dronabinol, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

Effect of TRIKAFTA on Other Drugs CYP2C9 Substrates Ivacaftor may inhibit CYP2C9; therefore, monitoring of the international normalized ratio (INR) during concomitant use of TRIKAFTA with warfarin is recommended. (etiqueta de Elexacaftor, tezacaftor e ivacaftor, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

…drugs Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine,… (etiqueta de Fenitoína, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

…drugs Ethosuximide, felbamate, oxcarbazepine, methsuximide, topiramate Azoles Fluconazole, ketoconazole, itraconazole, miconazole, voriconazole Antineoplastic agents Capecitabine, fluorouracil Antidepressants Fluoxetine, fluvoxamine, sertraline Gastric acid reducing agents H 2 antagonists (cimetidine), omeprazole Sulfonamides Sulfamethizole, sulfaphenazole, sulfadiazine,… (etiqueta de Fosfenitoína, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

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. (etiqueta de Lacosamida, Interacciones medicamentosas)

…Drugs That May Alter T 4 and Triiodothyronine (T 3 ) Serum Transport Without Effecting Free Thyroxine (FT 4 ) Concentration (Euthyroidism) Drug or Drug Class Effect Clofibrate Estrogen-containing oral contraceptives Estrogens (oral) Heroin/Methadone 5-Fluorouracil Mitotane Tamoxifen These drugs may increase serum thyroxine-binding globulin (TBG) concentration. (etiqueta de Levotiroxina, Interacciones medicamentosas)

Table 2: Drugs That May Alter Triiodothyronine (T3) Serum Transport Without Affecting Free Thyroxine (FT4) Concentration (Euthyroidism) Drug or Drug Class Effect Clofibrate Estrogen-containing oral contraceptives Estrogens (oral) Heroin/Methadone 5-Fluorouracil Mitotane Tamoxifen These drugs may increase serum thyroxine-binding globulin (TBG) concentration. (etiqueta de Liotironina, Interacciones medicamentosas)

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 ) ]. (etiqueta de Meloxicam, Interacciones medicamentosas)

…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. (etiqueta de Nateglinida, Interacciones medicamentosas)

Hemorrhage : Increase frequency of monitoring in patients who are receiving oxaliplatin injection with fluorouracil/leucovorin and oral anticoagulants (5.9) (etiqueta de Oxaliplatino, Advertencias y precauciones)

Fluconazole (strong CYP2C9 inhibitor): Increases systemic exposure of ramelteon; administer with caution. (etiqueta de Ramelteón, Interacciones medicamentosas)

Closely monitor patients receiving concomitant coumarin-derivative anticoagulants such as warfarin for INR or prothrombin time in order to adjust the anticoagulant dose accordingly [see Drug Interactions (7) ]. (etiqueta de Fluorouracilo, Advertencias y precauciones)

Rosuvastatin plasma levels can be significantly increased with concomitant administration of inhibitors of CYP2C9 and transporters. (etiqueta de Rosuvastatina, Interacciones medicamentosas)

CYP2C9: Concomitant use with CYP2C9 inhibitors can decrease torsemide clearance. (etiqueta de Torasemida, Interacciones medicamentosas)

Increased Risk of Elevated INR with Warfarin: Concurrent administration with warfarin can result in clinically significant increases in coagulation parameters: Closely monitor INR and prothrombin time. (etiqueta de Fluorouracilo, Advertencias y precauciones)

Zafirlukast exposure is likely to be increased by other moderate and strong CYP2C9 inhibitors. (etiqueta de Zafirlukast, Precauciones)

However, at high concentrations in vitro , clopidogrel inhibits CYP2C9. (etiqueta de Clopidogrel, Interacciones medicamentosas)

In a trial conducted in patients with metastatic breast cancer who were treated with fluorouracil, doxorubicin, and cyclophosphamide (FAC) with or without dexrazoxane starting with their first cycle of FAC therapy, patients who were randomized to receive dexrazoxane had a lower response rate (48% vs. 63%) and shorter time to progression than patients who were… (etiqueta de Dexrazoxano, Advertencias y precauciones)

In gastric cancer patients treated with docetaxel in combination with cisplatin and fluorouracil (TCF), febrile neutropenia and/or neutropenic infection occurred in 12% of patients receiving G-CSF compared to 28% who did not. (etiqueta de Docetaxel, Advertencias y precauciones)

5-Fluorouracil is a metabolite of flucytosine. (etiqueta de Flucitosina, Advertencias)

5-Fluorouracil (5-FU) and Leucovorin (LV) In a phase 1 clinical study involving irinotecan, 5-fluorouracil (5-FU), and leucovorin (LV) in 26 patients with solid tumors, the disposition of irinotecan was not substantially altered when the drugs were co-administered. (etiqueta de Irinotecán, Interacciones medicamentosas)

Oral neomycin inhibits the gastrointestinal absorption of penicillin V, oral vitamin B-12, methotrexate and 5-fluorouracil. (etiqueta de Neomicina, Interacciones medicamentosas)

Fluconazole is an inhibitor of CYP2C9 and CYP3A enzymes. (etiqueta de Terbinafina, Interacciones medicamentosas)

Toremifene is a weak inhibitor of CYP2C9. (etiqueta de Toremifeno, Interacciones medicamentosas)

The interaction is a consequence of blocking hepatic metabolism of vardenafil by ritonavir, a HIV protease inhibitor and a highly strong CYP3A4 inhibitor, which also inhibits CYP2C9. (etiqueta de Vardenafilo, Interacciones medicamentosas)

CYP2C9 Venlafaxine did not inhibit CYP2C9 in vitro . (etiqueta de Venlafaxina, Interacciones medicamentosas)