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ClinicalTrials.gov public records Last synced Sep 10, 2026, 7:37 AM EDT

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Showing 1–24 of 59 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo to FTC/TDF Clear all
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 4, 2026 · Synced Sep 10, 2026, 7:37 AM 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 29, 2016 · Synced Sep 10, 2026, 7:37 AM 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 3, 2026 · Synced Sep 10, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Switch to Doravirine/Islatravir (DOR/ISL) in Participants With Human Immunodeficiency Virus Type 1 (HIV-1) Who Are Virologically Suppressed on Bictegravir/Emtricitabine/Tenofovir Alafenamide (BIC/FTC/TAF) (MK-8591A-052)

NCT05630755
View directory record Official record
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
24
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 10, 2026, 7:37 AM 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 1, 2020 · Synced Sep 10, 2026, 7:37 AM EDT
Completed Phase 1 Interventional

Study to Assess the Acceptability of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (D/C/F/TAF) Fixed-Dose Combination (FDC) Tablets in Human Immunodeficiency Virus Type 1 (HIV-1) Infected Pediatric Participants, Using Matching Placebo Tablets

NCT04006704
View directory record Official record
Conditions
HIV-1
Interventions
D/C/F/TAF FDC placebo
Drug
Lead sponsor
Janssen Pharmaceutica N.V., Belgium
Industry
Eligibility
6 Years to 11 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
4
States / cities
Phoenix, Arizona • Atlanta, Georgia • Memphis, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2021 · Synced Sep 10, 2026, 7:37 AM 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 22, 2016 · Synced Sep 10, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional

Study to Compare Bictegravir/Lenacapavir Versus Current Therapy in People With HIV-1 Who Are Successfully Treated With Biktarvy

NCT06333808
View directory record Official record
Conditions
HIV-1-infection
Interventions
Bictegravir, Lenacapavir, B/F/TAF, Placebo to match B/F/TAF, Placebo to match BIC/LEN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
51
States / cities
Phoenix, Arizona • Berkeley, California • Beverly Hills, California + 43 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Sep 10, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Results available

Dose Ranging Study of GSK1265744 Plus Nucleoside Reverse Transcriptase Inhibitors for Induction of Human Immunodeficiency Virus-1 (HIV-1) Virologic Suppression Followed by Virologic Suppression Maintenance by GSK1265744 Plus Rilpivirine

NCT01641809
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus, HIV Infections
Interventions
GSK1265744 10 mg, GSK1265744 30 mg, GSK1265744 60 mg, Efavirenz 600 mg, Rilpivirine 25 mg, Placebo, Abacavir/Lamivudine (ABC/3TC) or Tenofovir/Emtricitabine (TDF/FTC)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years and older
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 35 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Sep 10, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers Results available

Study of Lenacapavir for HIV Pre-Exposure Prophylaxis in People Who Are 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 Dec 22, 2025 · Synced Sep 10, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate Efficacy and Safety of Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (D/C/F/TAF) Fixed Dose Combination (FDC) Versus a Regimen Consisting of Darunavir/Cobicistat FDC With Emtricitabine/Tenofovir Disoproxil Fumarate FDC in Treatment-naive HIV Type 1 Infected Subjects

NCT02431247
View directory record Official record
Conditions
Immunodeficiency Virus Type 1, Human
Interventions
Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide FDC, DRV/COBI FDC, FTC/TDF FDC, D/C/F/TAF FDC - Matching Placebo, FTC/TDF FDC Matching Placebo, DRV/COBI FDC Matching Placebo
Drug
Lead sponsor
Janssen Sciences Ireland UC
Industry
Eligibility
18 Years and older
Enrollment
725 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
29
States / cities
Birmingham, Alabama • Phoenix, Arizona • Bakersfield, California + 26 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 10, 2026, 7:37 AM 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 15, 2018 · Synced Sep 10, 2026, 7:37 AM 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 1, 2022 · Synced Sep 10, 2026, 7:37 AM 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 25, 2026 · Synced Sep 10, 2026, 7:37 AM 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 11, 2020 · Synced Sep 10, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional

Study to Compare an Oral Weekly Islatravir/Lenacapavir Regimen With Bictegravir/Emtricitabine/Tenofovir Alafenamide in Virologically Suppressed People With HIV-1

NCT06630286
View directory record Official record
Conditions
HIV-1-infection
Interventions
ISL/LEN, B/F/TAF, PTM B/F/TAF, PTM ISL/LEN
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
609 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
60
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 50 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 10, 2026, 7:37 AM 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 10, 2016 · Synced Sep 10, 2026, 7:37 AM 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 16, 2015 · Synced Sep 10, 2026, 7:37 AM 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 24, 2013 · Synced Sep 10, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

Study of Doravirine/Islatravir (DOR/ISL 100 mg/0.75 mg) to Evaluate the Antiretroviral Activity, Safety, and Tolerability in Treatment-Naïve Participants With Human Immunodeficiency Virus Type 1 (HIV-1) Infection (MK-8591A-020)

NCT04233879
View directory record Official record
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to BIC/FTC/TAF, Placebo to DOR/ISL
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
599 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
17
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 10, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

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

NCT00116805
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
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
20
States / cities
Orange, California • Pasadena, California • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2017 · Synced Sep 10, 2026, 7:37 AM 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 6, 2020 · Synced Sep 10, 2026, 7:37 AM 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 6, 2017 · Synced Sep 10, 2026, 7:37 AM 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 18, 2025 · Synced Sep 10, 2026, 7:37 AM EDT