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Showing 1–24 of 115 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: TDF Placebo Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Contraception and Menstrual Cycle Effect on Pharmacokinetics, Pharmacodynamics and Safety in Tenofovir Vaginal Gel Use

NCT01421368
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir 1% vaginal gel, Depo-medroxyprogesterone acetate (DMPA), Oral contraceptive: LNG 150 mcg and EE 30 mcg
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Sep 5, 2026, 9:07 AM EDT
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 5, 2026, 9:07 AM EDT
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 10, 2015 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT
Not listed Phase 1 Interventional

The Safety and Effectiveness of PMPA Prodrug in HIV-Infected Patients

NCT00002396
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir disoproxil fumarate
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
San Francisco, California • Baltimore, Maryland • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 AM 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 10, 2015 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT
Completed Phase 1 Interventional

Interaction With HIV Antiretroviral Agents

NCT02556268
View directory record Official record
Conditions
HIV-DDI
Interventions
Riociguat (Adempas, BAY 63-2521), ATRIPLA, COMPLERA, STRIBILD, TRIUMEQ, Antiretroviral protease inhibitor
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
2
States / cities
Orlando, Florida • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 5, 2017 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Tenofovir Disoproxil Fumarate in Adolescents With Chronic Hepatitis B Infection

NCT00734162
View directory record Official record
Conditions
Hepatitis B Virus (HBV)
Interventions
Tenofovir disoproxil fumarate (TDF), Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
12 Years to 17 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Oakland, California • Indianapolis, Indiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I One-month Safety, PK, PD, and Acceptability Study of IVR Releasing TFV and LNG or TFV Alone

NCT02235662
View directory record Official record
Conditions
HIV, Contraception
Interventions
TFV IVR, TFV/LNG IVR, Placebo IVR
Drug · Other
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2016 · Synced Sep 5, 2026, 9:07 AM EDT
Completed Phase 1 Interventional

A Study of PMPA in HIV-Infected Patients

NCT00002180
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interventional Study of Mucosal and Antimicrobial Responses to Repeated Vaginal Applications of Tenofovir Gel in HIV Uninfected Women

NCT00594373
View directory record Official record
Conditions
HIV Infections
Interventions
Tenofovir gel, Tenofovir gel placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2010
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 5, 2026, 9:07 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Emtricitabine/Tenofovir Disoproxil Fumarate for HIV Prevention in Men

NCT00458393
View directory record Official record
Conditions
HIV Infections
Interventions
daily TDF/FTC, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Male only
Enrollment
2,499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
3
States / cities
San Francisco, California • Chicago, Illinois • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 5, 2026, 9:07 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 5, 2026, 9:07 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 5, 2026, 9:07 AM EDT