HIV can develop resistance to lenacapavir, but at a cost to the virus
Since its first approval in 2022, Gilead Sciences’ lenacapavir—a twice-yearly injectable—has come to be a potential game changer for preventing HIV and for treating multidrug-resistant HIV, where it’s used in combination with other antiretrovirals. The drug targets the HIV-1 capsid protein and inhibits viral replication.