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ClinicalTrials.gov public records Last synced Oct 10, 2026, 8:50 PM EDT

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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Emtricitabine/Tenofovir disoproxil fumarate placebo Clear all
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Injectable Cabotegravir Compared to TDF/FTC For PrEP in HIV-Uninfected Men and Transgender Women Who Have Sex With Men

NCT02720094
View directory record Official record
Conditions
HIV Infections
Interventions
Cabotegravir Oral Tablet, TDF/FTC tablets, Placebo for TDF/FTC tablets, Placebo for cabotegravir oral tablet, CAB LA, Placebo for CAB LA
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
4,570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
27
States / cities
Birmingham, Alabama • Los Angeles, California • Oakland, California + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Efficacy of Emtricitabine and Tenofovir Alafenamide (F/TAF) Fixed-Dose Combination Once Daily for Pre-Exposure Prophylaxis in Men and Transgender Women Who Have Sex With Men and Are At Risk of HIV-1 Infection

NCT02842086
View directory record Official record
Conditions
Pre-Exposure Prophylaxis of HIV-1 Infection
Interventions
F/TAF, F/TDF, F/TAF Placebo, F/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
5,399 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
54
States / cities
Beverly Hills, California • Los Angeles, California • Newport Beach, California + 38 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of E/C/F/TAF Versus E/C/F/TDF in HIV-1 Positive, Antiretroviral Treatment-Naive Adults

NCT01797445
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
E/C/F/TAF, E/C/F/TDF, E/C/F/TDF Placebo, E/C/F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
872 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
79
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 54 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

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

NCT00737568
View directory record Official record
Conditions
Hepatitis B
Interventions
TDF, FTC/TDF, TDF Placebo, FTC/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 75 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Bradenton, Florida • Flushing, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 11, 2016 · Synced Oct 10, 2026, 8:50 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT04644029
View directory record Official record
Conditions
HIV-I, Human Immunodeficiency Virus Type 1, Prophylaxis
Interventions
Islatravir, Placebo to FTC/TDF, FTC/TDF, Placebo to ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years to 45 Years · Female only
Enrollment
730 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
13
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 2 Interventional Results available

Study Comparing Tenofovir Disoproxil Fumarate (TDF), Emtricitabine (FTC)/TDF, and Entecavir (ETV) in the Treatment of Chronic HBV in Subjects With Decompensated Liver Disease.

NCT00298363
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
Tenofovir disoproxil fumarate (tenofovir DF; TDF), Emtricitabine/tenofovir disoproxil fumarate (FTC/TDF), Entecavir (ETV), TDF placebo, FTC/TDF placebo, ETV placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 69 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
9
States / cities
Los Angeles, California • San Francisco, California • Miami, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2013 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of E/C/F/TAF (Genvoya®) Versus E/C/F/TDF (Stribild®) in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

NCT01497899
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
E/C/F/TDF, E/C/F/TAF Placebo, E/C/F/TAF, E/C/F/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 30 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Bictegravir/Emtricitabine/Tenofovir Alafenamide Versus Dolutegravir + Emtricitabine/Tenofovir Disoproxil Fumarate in Treatment Naive, HIV-1 and Hepatitis B Co-Infected Adults

NCT03547908
View directory record Official record
Conditions
HIV-1/HBV Co-Infection
Interventions
B/F/TAF, Placebo to match DTG, Placebo to match F/TDF, DTG, F/TDF, Placebo to match B/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
4
States / cities
Ft. Pierce, Florida • West Palm Beach, Florida • Berkley, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

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

NCT00117676
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
TDF, ADV, TDF placebo, ADV placebo, FTC/TDF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 69 Years
Enrollment
382 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
17
States / cities
La Jolla, California • Pasadena, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 2 Interventional Results available

Bone, Immunologic, and Virologic Effects of a Antiretroviral Regimen

NCT01400412
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Darunavir, Ritonavir, Tenofovir disoproxil fumarate, Emtricitabine, Placebo for Tenofovir disoproxil fumarate, Placebo for Maraviroc, Maraviroc
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
37
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 10, 2026, 8:50 PM EDT
Not yet recruiting Phase 1 Interventional

Repurposing a Combination Antiretroviral Drug Therapy to Target Retrotransposons and Treat Early Alzheimer's Disease

NCT07795307
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Emtricitabine and tenofovir disoproxil fumarate combination, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
55 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Switching to a Fixed Dose Combination of Bictegravir/Emtricitabine/Tenofovir Alafenamide (B/F/TAF) in Human Immunodeficiency Virus Type 1 (HIV-1) Infected Adults Who Are Virologically Suppressed

NCT03110380
View directory record Official record
Conditions
HIV-1-infection
Interventions
B/F/TAF, F/TAF, DTG, DTG Placebo, F/TAF Placebo, B/F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
66
States / cities
Phoenix, Arizona • Los Angeles, California • Oakland, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2022 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Multicenter, Randomized, Double-Blind, Double-Dummy, Phase 3 Study of the Safety and Efficacy of Elvitegravir Versus Raltegravir

NCT00708162
View directory record Official record
Conditions
HIV Infection
Interventions
Elvitegravir, Raltegravir, EVG placebo, RAL placebo, Background regimen
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
724 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
94
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 59 more
Source: ClinicalTrials.gov public record
Updated May 30, 2016 · Synced Oct 10, 2026, 8:50 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

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)

NCT04652700
View directory record Official record
Conditions
HIV Preexposure Prophylaxis
Interventions
ISL, FTC/TDF, FTC/TAF, Placebo to ISL, Placebo to FTC/TDF, Placebo to FTC/TAF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years and older · Male only
Enrollment
494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 2 Interventional Results available

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

NCT01565850
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
D/C/F/TAF, DRV, COBI, FTC/TDF, D/C/F/TAF Placebo, DRV Placebo, COBI Placebo, FTC/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
43
States / cities
Birmingham, Alabama • Beverly Hills, California • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2016 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Efficacy of Tenofovir Alafenamide Versus Placebo Added to a Failing Regimen Followed by Treatment With Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide Plus Atazanavir in HIV-1 Positive, Antiretroviral Treatment-Experienced Adults

NCT01967940
View directory record Official record
Conditions
HIV, HIV Infections, Acquired Immunodeficiency Syndrome
Interventions
TAF, Placebo, E/C/F/TAF, Current failing ARV regimen, ATV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
5
States / cities
Ft. Pierce, Florida • West Palm Beach, Florida • Wilton Manors, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 16, 2018 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

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

NCT02121795
View directory record Official record
Conditions
HIV-1 Infection
Interventions
FTC/TDF, F/TAF, Allowed third antiretroviral agent, FTC/TDF Placebo, F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
668 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
57
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 40 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluating the Safety and Tolerability of Antiretroviral Drug Regimens Used as Pre-Exposure Prophylaxis to Prevent HIV Infection in At-Risk Men Who Have Sex With Men and in At-Risk Women

NCT01505114
View directory record Official record
Conditions
HIV Infection
Interventions
Maraviroc, Emtricitabine, Tenofovir disoproxil fumarate, Maraviroc placebo, Emtricitabine placebo, Tenofovir disoproxil fumarate placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
594 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
12
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

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

NCT01108510
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
COBI, RTV, ATV, FTC/TDF, COBI placebo, RTV placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
64
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 42 more
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Efavirenz or Atazanavir/Ritonavir Given With Emtricitabine/Tenofovir Disoproxil Fumarate or Abacavir/Lamivudine in HIV Infected Treatment-Naive Adults

NCT00118898
View directory record Official record
Conditions
HIV Infections
Interventions
Abacavir/Lamivudine, Atazanavir, Efavirenz, Emtricitabine/Tenofovir disoproxil fumarate, Ritonavir, Abacavir/Lamivudine placebo, Emtricitabine/Tenofovir disoproxil fumarate placebo
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
16 Years and older
Enrollment
1,864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
51
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 10, 2026, 8:50 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Pre-Exposure Prophylaxis Study of Lenacapavir in Cisgender Men, Transgender Women, Transgender Men, and Gender Nonbinary People at Risk for HIV Infection

NCT04925752
View directory record Official record
Conditions
Pre-Exposure Prophylaxis of HIV Infection
Interventions
Oral Lenacapavir (LEN), F/TDF, Sub-cutaneous (SC) Lenacapavir (LEN), Placebo SC LEN, PTM F/TDF, PTM Oral LEN, F/TAF (for US participants only)
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
16 Years and older
Enrollment
3,292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
60
States / cities
Birmingham, Alabama • Loma Linda, California • Los Angeles, California + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Not listed Not applicable Interventional

Maraviroc (CCR5) Antagonism to Decrease the Incidence of the Immune Reconstitution Inflammatory Syndrome in HIV-Infected Patients

NCT00988780
View directory record Official record
Conditions
Immune Reconstitution Inflammatory Syndrome, HIV, HIV Infections
Interventions
maraviroc, Placebo
Drug
Lead sponsor
Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Other
Eligibility
18 Years and older
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
4
States / cities
Bethesda, Maryland • Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 27, 2012 · Synced Oct 10, 2026, 8:50 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

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

NCT07044297
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), HIV Pre-Exposure Prophylaxis
Interventions
MK-8527, FTC/TDF, Placebo to MK-8527, Placebo to FTC/TDF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
16 Years and older
Enrollment
4,390 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
23
States / cities
Birmingham, Alabama • Mobile, Alabama • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 10, 2026, 8:50 PM EDT
Completed Phase 3 Interventional Results available

Switch Study to Evaluate the Safety and Efficacy of Emtricitabine/Rilpivirine/Tenofovir Alafenamide (FTC/RPV/TAF) Fixed Dose Combination (FDC) in HIV-1 Positive Adults Who Are Virologically Suppressed on Emtricitabine/Rilpivirine/Tenofovir Disoproxil Fumarate (FTC/RPV/TDF)

NCT02345252
View directory record Official record
Conditions
HIV-1 Infection
Interventions
FTC/RPV/TAF, FTC/RPV/TDF Placebo, FTC/RPV/TDF, FTC/RPV/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
632 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
75
States / cities
Birmingham, Alabama • Phoenix, Arizona • Beverly Hills, California + 56 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2020 · Synced Oct 10, 2026, 8:50 PM EDT