<unk>  was once a preferred combination for HIV first-line therapy in the United States. But due its higher pill burden compared to than other protease inhibitor-based regimens and increased gastrointestinal intolerance, it is no longer recommended to treatment-naive patients.
Lopinavir/ritonavir
Atazanavir/ritonavir
Amprenavir
Abacavir/lamivudine
Ritonavir
Lamivudine/zidovudine
Lamivudine/tenofovir
Atazanavir/cobicistat