बिक्टेग्राविर, एमट्रिसिटाबिन और टेनोफोविर एलाफेनामाइड और रिफापेंटिन का इंटरैक्शन

Antimycobacterials: rifabutin Drug-drug interaction study was conducted for components of BIXLENVO dosed as individual agents (BIC or LEN). rifampin rifapentine ↓ lenacapavir ↓ bictegravir Concomitant administration with rifampin is contraindicated [see Contraindications (4) ] .

Concomitant administration with rifabutin or rifapentine is not recommended.

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.

Concomitant administration of BIXLENVO is contraindicated with: Dofetilide Strong CYP3A inducers.

Concomitant administration of BIXLENVO with strong CYP3A inducers is contraindicated [see Contraindications (4) ] .

Fixed-Dose Combination of Efavirenz, Emtricitabine, and Tenofovir Once-weekly coadministration of 900 mg PRIFTIN with the antiretroviral fixed-dose combination of efavirenz 600 mg, emtricitabine 200 mg and tenofovir disoproxil fumarate 300 mg in HIV-infected patients did not result in any substantial change in steady state exposures of efavirenz, emtricitabine,…