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ClinicalTrials.gov public records Last synced Oct 25, 2026, 3:01 AM EDT

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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: TAF Placebo Clear all
Completed Phase 2 Interventional Results available

A Study of JNJ-73763989 + Nucleos(t)Ide Analog in Participants Co-Infected With Hepatitis B and Hepatitis D Virus

NCT04535544
View directory record Official record
Conditions
Hepatitis D, Chronic
Interventions
JNJ-73763989, Placebo, Entecavir (ETV) monohydrate, Tenofovir disoproxil, Tenofovir alafenamide (TAF)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Redwood City, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 25, 2026, 3:01 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Efficacy and Safety of Switching From TDF to TAF in Adults With Chronic Hepatitis B Who Are Virologically Suppressed

NCT02979613
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
TAF, TDF, TAF Placebo, TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
17
States / cities
Los Angeles, California • Palo Alto, California • Pasadena, California + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2020 · Synced Oct 25, 2026, 3:01 AM EDT
Terminated Phase 2 Interventional Results available

A Study Evaluating Treatment Intensification With ABI-H0731 in Participants With Chronic Hepatitis B Infection on Nucleos(t)Ide Reverse Transcriptase Inhibitors

NCT04454567
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
ABI-H0731, Placebo, NrtI
Drug
Lead sponsor
Assembly Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Los Angeles, California • Pasadena, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2022 · Synced Oct 25, 2026, 3:01 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 30, 2026 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

B/F/TAF Ease of Swallowability Trial

NCT04600687
View directory record Official record
Conditions
HIV Infections
Interventions
Placebo tablets
Other
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 23, 2020 · Synced Oct 25, 2026, 3:01 AM EDT
Completed Phase 3 Interventional Results available

Switch Study to Evaluate F/TAF in HIV-1 Infected Adults Who Are Virologically Suppressed on Regimens Containing ABC/3TC

NCT02469246
View directory record Official record
Conditions
HIV-1 Infection
Interventions
F/TAF, ABC/3TC, ABC/3TC Placebo, F/TAF Placebo, 3rd ARV agent
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
34
States / cities
Phoenix, Arizona • Beverly Hills, California • La Jolla, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 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 7, 2020 · Synced Oct 25, 2026, 3:01 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 6, 2021 · Synced Oct 25, 2026, 3:01 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 15, 2026 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 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 18, 2025 · Synced Oct 25, 2026, 3:01 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of RO7565020 in Healthy Participants and in Participants With Chronic Hepatitis B Virus Infection

NCT05763576
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
RO7565020, Placebo, Nucleos(t)ide analogue (NUC) treatment
Drug · Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 25, 2026, 3:01 AM EDT
Withdrawn Phase 2 Interventional

Tenofovir Alafenamide for Treatment of Symptoms and Neuroprotection in Relapsing Remitting Multiple Sclerosis

NCT04880577
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting, Fatigue
Interventions
TENOFOVIR ALAFENAMIDE FUMARATE 25 Mg ORAL TABLET [VEMLIDY], Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 AM EDT
Completed Phase 3 Interventional Results available

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

NCT02607956
View directory record Official record
Conditions
HIV-1 Infection
Interventions
DTG, F/TAF, B/F/TAF, DTG Placebo, F/TAF Placebo, B/F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
657 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
74
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 53 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 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 2, 2020 · Synced Oct 25, 2026, 3:01 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 26, 2026 · Synced Oct 25, 2026, 3:01 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 16, 2018 · Synced Oct 25, 2026, 3:01 AM 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 25, 2026, 3:01 AM EDT
Recruiting Phase 2Phase 3 Interventional

A Clinical Study of Islatravir and Ulonivirine for People With HIV-1 Who Have Not Been Treated Before (MK-8591B-062)

NCT07266831
View directory record Official record
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1) Infection
Interventions
ISL, ULO, BIC/FTC/TAF, Placebo for BIC/FTC/TAF, Placebo to ISL/ULO, ISL/ULO
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
24
States / cities
Los Angeles, California • Denver, Colorado • Washington D.C., District of Columbia + 20 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 25, 2026, 3:01 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Switching From Dolutegravir and ABC/3TC or ABC/DTG/3TC to B/F/TAF in HIV-1 Infected Adults Who Are Virologically Suppressed

NCT02603120
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
567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
61
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 48 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Oct 25, 2026, 3:01 AM EDT