Cellular Pharmacology and Platelet Effects of Abacavir and Lamivudine Anabolites

Blood will be collected from participants at defined time points during the study to measure drug levels and assess platelet activity.

Participants who are already taking abacavir/lamivudine as part of standard HIV care will continue taking their therapy.

Participants who are already taking tenofovir alafenamide/emtricitabine as part of standard HIV care will continue taking their therapy.

Participants who are planning to switch from abacavir/lamivudine as part of standard HIV care will change therapy to per the discretion of their HIV provider.