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Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: TAF Placebo Clear all
Active, not recruiting Phase 2 Interventional

Study of Tenofovir Alafenamide (TAF) in Children and Teen Participants With Chronic Hepatitis B Virus Infection

NCT02932150
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
TAF, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
2 Years to 17 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2029
U.S. locations
15
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 6, 2026, 7:24 AM EDT
Completed Phase 3 Interventional Results available

Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Positive for Hepatitis B e Antigen

NCT01940471
View directory record Official record
Conditions
HBeAg-positive Chronic Hepatitis B
Interventions
TAF, TDF, TAF Placebo, TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
875 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
15
States / cities
Los Angeles, California • Palo Alto, California • Pasadena, California + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 6, 2026, 7:24 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 6, 2022 · Synced Sep 6, 2026, 7:24 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 6, 2026, 7:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Rectal Insert TAF/EVG Pre-Exposure Prophylaxis (RITE PrEP) Study

NCT06274398
View directory record Official record
Conditions
Safety Issues
Interventions
TAF/EVG rectal insert, Matching placebo rectal insert
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 59 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Sep 6, 2026, 7:24 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 11, 2020 · Synced Sep 6, 2026, 7:24 AM 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 14, 2026 · Synced Sep 6, 2026, 7:24 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 24, 2019 · Synced Sep 6, 2026, 7:24 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 6, 2026, 7:24 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 6, 2026, 7:24 AM EDT
Completed Phase 3 Interventional Results available

Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Negative for Hepatitis B e Antigen

NCT01940341
View directory record Official record
Conditions
HBeAg-negative Chronic Hepatitis B
Interventions
TAF, TDF, TAF Placebo, TDF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
14
States / cities
Los Angeles, California • Palo Alto, California • Pasadena, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2023 · Synced Sep 6, 2026, 7:24 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 6, 2026, 7:24 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 6, 2026, 7:24 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 1, 2020 · Synced Sep 6, 2026, 7:24 AM EDT
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 21, 2026 · Synced Sep 6, 2026, 7:24 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 18, 2018 · Synced Sep 6, 2026, 7:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and PK Multi-dose Study of TAF/EVG Vaginal Insert

NCT06087913
View directory record Official record
Conditions
Safety Issues
Interventions
TAF/EVG vaginal insert, Matching Placebo vaginal insert
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Sep 6, 2026, 7:24 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 6, 2026, 7:24 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 6, 2026, 7:24 AM EDT
Completed Phase 2 Interventional Results available

A Study Evaluating ABI-H0731 as Adjunctive Therapy in Participants With Chronic Hepatitis B Infection

NCT03576066
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
ABI-H0731, SOC NUC, Placebo Oral Tablet
Drug
Lead sponsor
Assembly Biosciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
17
States / cities
Beverly Hills, California • Coronado, California • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 6, 2026, 7:24 AM EDT
Completed Phase 2 Interventional Results available

A Study of Different Combination Regimens Including JNJ-73763989 and/or JNJ-56136379 for the Treatment of Chronic Hepatitis B Virus Infection

NCT03982186
View directory record Official record
Conditions
Hepatitis B, Chronic
Interventions
JNJ-73763989, Placebo for JNJ-73763989, JNJ-56136379, Placebo for JNJ-56136379, Nucleos(t)ide Analog (NA)
Drug
Lead sponsor
Janssen Sciences Ireland UC
Industry
Eligibility
18 Years to 65 Years
Enrollment
471 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
8
States / cities
Bakersfield, California • Los Angeles, California • San Clemente, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Sep 6, 2026, 7:24 AM 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 18, 2018 · Synced Sep 6, 2026, 7:24 AM 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 1, 2020 · Synced Sep 6, 2026, 7:24 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

DOR/ISL in HIV-1 Antiretroviral Treatment-naïve Participants (MK-8591A-053)

NCT05705349
View directory record Official record
Conditions
HIV-1 Infection
Interventions
DOR/ISL, BIC/FTC/TAF, Placebo to DOR/ISL, Placebo to BIC/FTC/TAF
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
537 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
38
States / cities
Phoenix, Arizona • Beverly Hills, California • Los Angeles, California + 29 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Sep 6, 2026, 7:24 AM EDT