FTC/TDF

A Clinical Study of MK-8527 to Prevent Human Immunodeficiency Virus Type 1 (HIV-1) (MK-8527-011)

Oral Islatravir (MK-8591) Once-Monthly as Preexposure Prophylaxis (PrEP) in Men and Transgender Women Who Are at High Risk for HIV-1 Infection (MK-8591-024)

Oral ISL QM as PrEP in Cisgender Women at High Risk for HIV-1 Infection (MK-8591-022)

A Study of Emtricitabine/Tenofovir Disoproxil Fumarate (FTC/TDF) and MK-8527 in Healthy Participants

The Kampala Women's Bone Study

Evaluating the Safety of and Adherence to a Vaginal Matrix Ring Containing Dapivirine and Oral Emtricitabine/Tenofovir Disoproxil Fumarate in an Adolescent and Young Adult Female Population

Study to Evaluate Efficacy and Safety of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (D/C/F/TAF) Regimen Versus Boosted Protease Inhibitor (bPI) Along With Emtricitabine/Tenofovir Disoproxil Fumarate (FTC/TDF) Regimen in Virologically-Suppressed, HIV-1 Infected Participants

Study to Evaluate Switching From a TDF-Containing Combination Regimen to a TAF-Containing Fixed Dose Combination (FDC) in Virologically-Suppressed, HIV-1 Positive Participants

Study to Evaluate the Safety and Efficacy of Switching From Regimens Consisting of Boosted Atazanavir or Darunavir Plus Either Emtricitabine/Tenofovir or Abacavir/Lamivudine to Bictegravir/Emtricitabine/Tenofovir Alafenamide in Virologically Suppressed HIV-1 Infected Adults

Switch Study to Evaluate F/TAF in HIV-1 Positive Participants Who Are Virologically Suppressed on Regimens Containing FTC/TDF

Switching From a Tenofovir Disoproxil Fumarate (TDF) Containing Regimen to Elvitegravir/Cobicistat/Emtricitabine/ Tenofovir Alafenamide (E/C/F/TAF) Fixed-Dose Combination (FDC) in Virologically-Suppressed, HIV-1 Infected Adults Aged ≥ 60 Years

Safety and Efficacy of Switching to a FDC of B/F/TAF From E/C/F/TAF, E/C/F/TDF, or ATV+RTV+FTC/TDF in Virologically Suppressed HIV-1 Infected Women

Safety and Efficacy of E/C/F/TDF Versus RTV-Boosted ATV Plus FTC/TDF in HIV-1 Infected, Antiretroviral Treatment-Naive Women

Rollover Protocol Continued Access to Emtricitabine/Tenofovir Disoproxil Fumarate for Adults in United States

A Study to Compare Tenofovir Disoproxil Fumarate Versus Adefovir Dipivoxil for the Treatment of HBeAg-Positive Chronic Hepatitis B

A Study to Compare Tenofovir Disoproxil Fumarate Versus Adefovir Dipivoxil for the Treatment of HBeAg-Negative Chronic Hepatitis B

Study to Evaluate Switching From Regimens Consisting of a Ritonavir-boosted Protease Inhibitor Plus Emtricitabine/Tenofovir Fixed-Dose Combination to the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir DF Single-Tablet Regimen in Virologically Suppressed, HIV-1 Infected Patients

Safety and Efficacy of COBI-boosted Atazanavir Versus Ritonavir-boosted Atazanavir Each Administered With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

D/C/F/TAF Versus COBI-boosted DRV Plus FTC/TDF in HIV-1 Infected, Antiretroviral Treatment Naive Adults

Tenofovir Disoproxil Fumarate (Tenofovir DF) Versus Emtricitabine/Tenofovir DF in Subjects Resistant to Lamivudine