Bictegravir, emtricitabine, and tenofovir alafenamide and Sofosbuvir and velpatasvir interaction
Bictegravir, emtricitabine, and tenofovir alafenamide and Sofosbuvir and velpatasvir: both prescribing labels mention this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Bictegravir, emtricitabine, and tenofovir alafenamide (BIXLENVO) label · effective 2026-08-27
Lenacapavir (LEN), a component of BIXLENVO, is a moderate inhibitor of CYP3A and a P-gp inhibitor.
Anticoagulants: Direct Oral Anticoagulants (DOACs) rivaroxaban dabigatran edoxaban ↑ DOAC Refer to the DOAC prescribing information for concomitant administration with moderate CYP3A inhibitors and/or P-gp inhibitors.
From the Sofosbuvir and velpatasvir (Vosevi) label · effective 2025-07-14
Antiretrovirals: atazanavir lopinavir ↑ voxilaprevir Coadministration of VOSEVI with atazanavir- or lopinavir-containing regimens is not recommended. tipranavir/ritonavir ↓ sofosbuvir ↓ velpatasvir Coadministration is not recommended.
…drug interactions have been observed with the following drugs [see Clinical Pharmacology (12.3) ]: VOSEVI: cobicistat, darunavir, elvitegravir, emtricitabine, ethinyl estradiol/norgestimate, gemfibrozil, rilpivirine, ritonavir, tenofovir alafenamide, voriconazole Sofosbuvir/velpatasvir: dolutegravir, ketoconazole, raltegravir Sofosbuvir: methadone, tacrolimus
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.