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ClinicalTrials.gov public records Last synced Oct 2, 2026, 11:19 AM EDT

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Showing 25–48 of 88 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: cobicistat Clear all
Completed Phase 2Phase 3 Interventional Results available

Study to Evaluate the Pharmacokinetics, Safety, and Antiviral Activity of the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (E/C/F/TAF) Single Tablet Regimen (STR) in HIV-1 Infected Antiretroviral Treatment-Naive Adolescents and Virologically Suppressed Children

NCT01854775
View directory record Official record
Conditions
Acquired Immune Deficiency Syndrome (AIDS), HIV Infections
Interventions
E/C/F/TAF, E/C/F/TAF (Low Dose)
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
2 Years to 17 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2025
U.S. locations
5
States / cities
Long Beach, California • Washington D.C., District of Columbia • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 2, 2026, 11:19 AM EDT
Terminated Phase 4 Interventional

Testing the Safety and Efficacy of Commercial Drug Biktarvy in Subjects Known to Have the 184 Resistance Mutation to a Component in Biktarvy

NCT04040075
View directory record Official record
Conditions
HIV-1-infection
Interventions
Biktarvy Tab
Drug
Lead sponsor
Southampton Healthcare, Inc.
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 5, 2023 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Efficacy and Safety of Elvitegravir/Cobicistat/Emtricitabine/Tenofovir Alafenamide in HIV-1 Infected Adolescents

NCT02276612
View directory record Official record
Conditions
HIV
Interventions
E/C/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
12 Years to 17 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
4
States / cities
Tampa, Florida • Detroit, Michigan • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Switching From Regimens Consisting of a Nonnucleoside Reverse Transcriptase Inhibitor Plus Emtricitabine and Tenofovir DF to the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir DF Single-Tablet Regimen in Virologically Suppressed, HIV-1 Infected Patients

NCT01495702
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
NNRTI, FTC/TDF, Stribild
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
39
States / cities
Phoenix, Arizona • Beverly Hills, California • Hayward, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Early ART to Limit Infection and Establishment of Reservoir

NCT02859558
View directory record Official record
Conditions
HIV-1 Infection
Interventions
elvitegravir/cobicistat/emtricitabine/tenofovir alafenamide or bictegravir/emtricitabine/tenofovir alafenamide or other medically-appropriate FDA-approved antiretroviral therapy
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
23
States / cities
Birmingham, Alabama • San Diego, California • Torrance, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Results available

Cabozantinib S-Malate in Treating Patients With Advanced Solid Tumors and Human Immunodeficiency Virus

NCT01822522
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, HIV Infection, Metastatic Malignant Solid Neoplasm, Recurrent Malignant Solid Neoplasm, Unresectable Solid Neoplasm
Interventions
Cabozantinib S-malate, Laboratory Biomarker Analysis, Pharmacological Study
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
20
States / cities
La Jolla, California • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Oct 2, 2026, 11:19 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 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Electrophysiological Effects of Potential QT Prolonging Drugs

NCT05716854
View directory record Official record
Conditions
Drug-induced QT Prolongation, Pharmacokinetics, Pharmacodynamics
Interventions
Clarithromycin, Pimozide, Placebo (Part 1), Moxifloxacin, Cobicistat, Moxifloxacin and Cobicistat, Placebo (Part 2)
Drug
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of PBI-200 With Ritonavir or Cobicistat in Healthy Volunteers

NCT05692570
View directory record Official record
Conditions
Drug-drug Interaction
Interventions
PBI-200 Tablet, Ritonavir Oral Tablet, Cobicistat Oral Tablet
Drug
Lead sponsor
Pyramid Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 20, 2023 · Synced Oct 2, 2026, 11:19 AM EDT
Not listed Phase 4 Interventional

Effect of Biktarvy & Symtuza on microRNAs in HIV and Correlation With Weight Gain

NCT05463783
View directory record Official record
Conditions
HIV Infections, Obesity
Interventions
Biktarvy, Symtuza
Drug
Lead sponsor
East Carolina University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of Cobicistat-boosted Atazanavir Compared to Ritonavir-boosted Atazanavir in Combination With Emtricitabine/Tenofovir Disoproxil Fumarate in HIV-1 Infected, Antiretroviral Treatment-Naive Adults

NCT00892437
View directory record Official record
Conditions
HIV-1 Infection
Interventions
COBI, RTV, ATV, FTC/TDF, COBI placebo, RTV placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Beverly Hills, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2016 · Synced Oct 2, 2026, 11:19 AM EDT
Terminated No phase listed Observational Results available

Pharmacokinetic Properties of Antiretroviral and Anti-Tuberculosis Drugs During Pregnancy and Postpartum

NCT04518228
View directory record Official record
Conditions
HIV, Tuberculosis
Interventions
Bictegravir (BIC), Tenofovir alafenamide (TAF), Long-acting injectable formulation of cabotegravir (CAB LA), Dolutegravir (DTG), Atazanavir/ritonavir (ATV/r), Darunavir/ritonavir (DRV/r), Lopinavir/ritonavir (LPV/r), Cobicistat, Ritonavir, First-Line TB Treatment, Second-Line TB Treatment, Doravirine (DOR)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
13
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Examine the Acceptable Taste and to Estimate the Amount of Atazanavir and Cobicistat in the Body When Taken as a Combination Product Versus When Taken as Separate Products at the Same Time

NCT04263350
View directory record Official record
Conditions
Healthy Participants
Interventions
Atazanavir/Cobicistat, Reyataz Atazanavir, Cobicistat
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 49 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

HIV Non-Occupational Post-Exposure Prophylaxis

NCT01855867
View directory record Official record
Conditions
Human Immunodeficiency Virus
Interventions
Single Dose Elivitegravir (150mg), Combicistat (150mg), Emtricitabine (200mg), Tenofovir DF (300mg)
Drug
Lead sponsor
Kenneth H. Mayer, MD
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 4 Interventional

Rapid Reinitiation of a Single Tablet Antiretroviral Therapy Using Symtuza® in HIV-1 Infected Treatment-Experienced Patients Off Therapy. (ReSTART)

NCT04388904
View directory record Official record
Conditions
HIV-1-infection
Interventions
Darunavir/Cobicistat/Emtricitabine/Tenofovir Alafenamide (FDC)
Drug
Lead sponsor
The Crofoot Research Center, Inc.
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2024 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Study to Assess the Acceptability/Swallowability of DRV-Containing FDC Tablets in HIV-1 Infected Adolescents, Using Matching Placebo Tablets

NCT02993237
View directory record Official record
Conditions
HIV-1
Interventions
DRV/COBI FDC placebo tablet, D/C/F/TAF FDC placebo tablets
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
12 Years to 17 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Phoenix, Arizona • Atlanta, Georgia • Memphis, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated May 13, 2019 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

THE EFFECT OF CYP3A5 GENOTYPE ON THE PHARMACOKINETICS OF MARAVIROC

NCT02625207
View directory record Official record
Conditions
Healthy Subjects
Interventions
Maraviroc (Part 1), Maraviroc (Part 2), Darunavir/cobicistat (Part 2)
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 55 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 2, 2026, 11:19 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 2, 2026, 11:19 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 11, 2015 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Interaction of Two HIV Medications With Blood Clot Medications in Healthy Volunteers

NCT01896622
View directory record Official record
Conditions
HIV
Interventions
Ritonavir, Cobicistat
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of Switching to a FDC of B/F/TAF From E/C/F/TAF, E/C/F/TDF, or ATV+RTV+FTC/TDF in Virologically Suppressed HIV-1 Infected Women

NCT02652624
View directory record Official record
Conditions
HIV-1 Infection
Interventions
E/C/F/TAF, E/C/F/TDF, ATV, RTV, FTC/TDF, B/F/TAF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older · Female only
Enrollment
472 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
29
States / cities
Stamford, Connecticut • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Not applicable Interventional Results available

Advanced Neuroimaging Evaluation of the Central Nervous System Biological Changes Associated With Efavirenz Therapy and Switch to an Elvitegravir-based Regimen

NCT01929759
View directory record Official record
Conditions
HIV Disease
Interventions
Stribild (elvitegravir, cobicistat, emtricitabine and tenofovir)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 4 Interventional Results available

Effects of Ledipasvir/Sofosbuvir on the Pharmacokinetics and Renal Safety of Tenofovir Alafenamide (TAF)

NCT03126370
View directory record Official record
Conditions
Hepatitis C, HIV Coinfection
Interventions
TDF with a boosted protease inhibitor, TAF with a boosted protease inhibitor, TAF with a boosted protease inhibitor and LDV/SOF
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 2, 2026, 11:19 AM EDT
Completed Phase 3 Interventional Results available

Open-Label Pilot Study to Evaluate Switching From a Regimen Consisting of Raltegravir Plus Emtricitabine/Tenofovir DF Fixed-Dose Combination to the Elvitegravir/Cobicistat/Emtricitabine/Tenofovir DF Single-Tablet Regimen in Virologically Suppressed, HIV-1 Infected Patients

NCT01533259
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, HIV Infections
Interventions
Stribild
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
9
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Orlando, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2015 · Synced Oct 2, 2026, 11:19 AM EDT