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ClinicalTrials.gov public records Last synced Oct 26, 2026, 10:10 PM EDT

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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo to FTC/TDF Clear all
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Stribild Versus Atripla in Human Immunodeficiency Virus, Type 1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults

NCT01095796
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Stribild, Atripla, Stribild Placebo, Atripla Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
707 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
97
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 63 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 1 Interventional Results available

Study to Evaluate Safety, Pharmacokinetics, and Antiviral Activity of Lenacapavir Administered Subcutaneously in Human Immunodeficiency Virus (HIV) -1 Infected Adults

NCT03739866
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Lenacapavir, Placebo, B/F/TAF, TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
12
States / cities
Los Angeles, California • Sacramento, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2021 · Synced Oct 26, 2026, 10:10 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 26, 2026, 10:10 PM EDT
Completed Phase 2 Interventional Results available

Study of the Safety and Efficacy of Stribild Versus Atripla in Human Immunodeficiency Virus, Type 1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults

NCT00869557
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Stribild, Atripla
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
30
States / cities
Little Rock, Arkansas • Long Beach, California • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2014 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Botswana TDF/FTC Oral HIV Prophylaxis Trial

NCT00448669
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir Disoproxil Fumarate 300 mg + Emtricitabine 200 mg, Placebo Oral Tablet
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 39 Years
Enrollment
1,219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 5, 2020 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Bictegravir + Emtricitabine/Tenofovir Alafenamide Versus Dolutegravir + Emtricitabine/Tenofovir Alafenamide in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

NCT02397694
View directory record Official record
Conditions
HIV-1 Infection
Interventions
BIC, F/TAF, DTG, BIC Placebo, DTG Placebo, B/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
21
States / cities
Phoenix, Arizona • Los Angeles, California • Sacramento, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2020 · Synced Oct 26, 2026, 10:10 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 26, 2026, 10:10 PM EDT
Completed Phase 2 Interventional Results available

Dose Ranging, Switch Study of Islatravir (MK-8591) and Ulonivirine (MK-8507) Once-Weekly in Virologically-Suppressed Adults With Human Immunodeficiency Virus Type 1 (HIV-1) [MK-8591-013]

NCT04564547
View directory record Official record
Conditions
HIV-1 Infection
Interventions
Islatravir, Ulonivirine, BIC/FTC/TAF, Placebo to ISL, Placebo to Ulonivirine, Placebo to BIC/FTC/TAF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • Ft. Pierce, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2026 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

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

NCT01780506
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
2012 – 2017
U.S. locations
78
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 55 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 2 Interventional Results available

A Study to Compare Tenofovir DF Versus the Combination of Emtricitabine Plus Tenofovir DF for the Treatment of Chronic Hepatitis B in Patients With Normal Alanine Aminotransferase (ALT)

NCT00507507
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
Tenofovir DF, FTC, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 69 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2015 · Synced Oct 26, 2026, 10:10 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 26, 2026, 10:10 PM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Study of Oral Weekly Lepetegravir (Formerly GS-1720) and Lenacapavir Pacfosacil (Formerly GS-4182) Versus Biktarvy in People With HIV-1 Who Are Virologically Suppressed

NCT06544733
View directory record Official record
Conditions
HIV-1-Infection
Interventions
Lepetegravir, Lenacapavir pacfosacil, Placebo to Match BVY, Bictegravir/emtricitabine/tenofovir alafenamide, Lepetegravir/Lenacapavir pacfosacil FDC, Placebo to Match GS1720/GS-4182 FDC
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
675 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
35
States / cities
Birmingham, Alabama • Beverly Hills, California • Los Angeles, California + 30 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 26, 2026, 10:10 PM EDT
Terminated Phase 2Phase 3 Interventional

Study of Oral Weekly GS-1720 and GS-4182 Compared With Biktarvy in People With HIV-1 Who Have Not Been Treated

NCT06613685
View directory record Official record
Conditions
HIV-1-infection
Interventions
lepetegravir, lenacapavir pacfosacil, Bictegravir/emtricitabine/tenofovir alafenamide, lepetegravir/lenacapavir pacfosacil FDC, Placebo to Match BVY, Placebo to Match GS1720/GS-4182 FDC
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
21
States / cities
Birmingham, Alabama • Torrance, California • West Hollywood, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Bictegravir/Emtricitabine/Tenofovir Alafenamide Versus Abacavir/Dolutegravir/Lamivudine in Human Immunodeficiency Virus-1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults

NCT02607930
View directory record Official record
Conditions
HIV-1 Infection
Interventions
ABC/DTG/3TC, B/F/TAF, ABC/DTG/3TC Placebo, B/F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
631 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
78
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 57 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of Stribild Versus Ritonavir-Boosted Atazanavir Plus Truvada in Human Immunodeficiency Virus, Type 1 (HIV-1) Infected, Antiretroviral Treatment-Naive Adults

NCT01106586
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Stribild, ATV, Ritonavir, FTC/TDF, Stribild Placebo, ATV Placebo, RTV Placebo, FTC/TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
708 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
86
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 57 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2015 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From a Regimen Consisting of Efavirenz/Emtricitabine/Tenofovir Disoproxil Fumarate (EFV/FTC/TDF) Fixed Dose Combination (FDC) to Emtricitabine/Rilpivirine/Tenofovir Alafenamide (FTC/RPV/TAF) FDC in Virologically-Suppressed, HIV-1 Infected Adults

NCT02345226
View directory record Official record
Conditions
HIV-1 Infection
Interventions
FTC/RPV/TAF, EFV/FTC/TDF Placebo, EFV/FTC/TDF, FTC/RPV/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
79
States / cities
Phoenix, Arizona • Beverly Hills, California • Long Beach, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2020 · Synced Oct 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

Switch to Doravirine/Islatravir (DOR/ISL) in Human Immunodeficiency Virus 1 (HIV-1) Participants Treated With Bictegravir/Emtricitabine/Tenofovir Alafenamide (BIC/FTC/TAF) (MK-8591A-018)

NCT04223791
View directory record Official record
Conditions
HIV Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to FDC DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
28
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 26, 2026, 10:10 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 26, 2026, 10:10 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 26, 2026, 10:10 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 26, 2026, 10:10 PM EDT
Completed Phase 3 Interventional Results available

A Trial Comparing GSK1349572 50mg Once Daily to Raltegravir 400mg Twice Daily

NCT01227824
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus I
Interventions
GSK1349572 (dolutegravir), raltegravir, GSK1349572 Placebo, ABC/3TC, TDF/FTC, raltegravir Placebo
Drug · Other
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
828 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
20
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Long Beach, California + 15 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Oct 26, 2026, 10:10 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 26, 2026, 10:10 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 26, 2026, 10:10 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 26, 2026, 10:10 PM EDT