GS-US-563-5925

To learn more about the experimental drug, ISL/LEN. This includes: Comparing ISL/LEN weekly to B/F/TAF daily and determining which of these study treatments works better for treating HIV infection. Determining how ISL/LEN and B/F/TAF affects the HIV infection in the body. Testing and learning about the safety of ISL/LEN, how well ISL/LEN is tolerated, and how long it stays in the body using physical exam, blood and urine tests, and any symptoms or problems it may create in the study.