Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:38 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
Conditions
Hepatitis C, Chronic
Interventions
GS-5885, GS-9451, peginterferon alfa-2a, ribavirin tablet, GS-9451 Placebo
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
351 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
21
States / cities
Tucson, Arizona • Beverly Hills, California • Coronado, California + 17 more
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF, Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hepatitis C
Interventions
LDV/SOF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF, VDV, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Lutherville, Maryland
Conditions
HCV Infection
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
39
States / cities
Beverly Hills, California • La Jolla, California • Los Angeles, California + 34 more
Conditions
Chronic HCV Infection
Interventions
LDV/SOF, SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
13
States / cities
Sacramento, California • San Diego, California • San Francisco, California + 9 more
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Boston, Massachusetts • Detroit, Michigan • The Bronx, New York + 3 more
Conditions
HIV-1 Infection, HCV Infection
Interventions
E/C/F/TAF, F/R/TAF, LDV/SOF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
42
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 32 more
Conditions
Hepatitis C, Chronic
Interventions
GS-5885 tablet, GS-9451 tablet, peginterferon alfa-2a, ribavirin tablet
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 80 Years
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
54
States / cities
Dothan, Alabama • Montgomery, Alabama • Beverly Hills, California + 43 more
Conditions
Chronic Hepatitis C Virus
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Conditions
Hepatitis C, Chronic
Interventions
Not listed
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
158
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 89 more
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
38
States / cities
Little Rock, Arkansas • Los Angeles, California • Pasadena, California + 31 more
Conditions
Hepatitis C, Chronic
Interventions
GS-5885, Tegobuvir, GS-9451, ribavirin tablet
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
42
States / cities
Birmingham, Alabama • Dothan, Alabama • Anaheim, California + 34 more
Conditions
Chronic Hepatitis C
Interventions
GS-5885, GS-9451, RBV, PEG
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
26
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 20 more
Conditions
Hepatitis C Virus, HIV
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
34
States / cities
Birmingham, Alabama • Los Angeles, California • Newport Beach, California + 31 more
Conditions
Chronic Genotype 1a or 1b HCV Infection
Interventions
GS-5885 tablet, GS-9451 tablet, tegobuvir capsule, ribavirin tablet, placebo matching ribavirin tablet, placebo matching tegobuvir capsule
Drug · Device
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
36
States / cities
Beverly Hills, California • Coronado, California • La Jolla, California + 28 more
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
3 Years to 17 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
23
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 20 more
Completed Phase 2 Interventional Results available

Combination Therapy for Chronic Hepatitis C Infection

NCT01805882
Conditions
Hepatitis C, Chronic
Interventions
Sofosbuvir, Ledipasvir, GS-9669, GS-9451
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
229 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Conditions
Chronic Hepatitis C Virus
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
53
States / cities
Phoenix, Arizona • Tucson, Arizona • La Jolla, California + 50 more
Conditions
Hepatitis C Virus Infection
Interventions
LDV/SOF
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
6
States / cities
San Francisco, California • Chicago, Illinois • New Orleans, Louisiana + 3 more
Conditions
Chronic Hepatitis C Virus
Interventions
LDV/SOF, RBV
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
870 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
53
States / cities
Birmingham, Alabama • La Jolla, California • Long Beach, California + 50 more
Conditions
Hepatitis C, HIV
Interventions
GS-7977/GS- 5885 FDC
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Hepatitis C Virus Infection
Interventions
Sofosbuvir (SOF), Ledipasvir/Sofosbuvir (LDV/SOF), Sofosbuvir/Velpatasvir (SOF/VEL), Sofosbuvir/Velpatasvir/Voxilaprevir (SOF/VEL/VOX)
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
3 Years and older
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
27
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 24 more