Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 7:31 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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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, Chronic
Interventions
Tegobuvir (GS-9190), GS-9451, Pegasys®, Copegus®, Tegobuvir placebo, GS-9451 placebo
Drug · Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years to 70 Years
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
85
States / cities
Dothan, Alabama • Montgomery, Alabama • Phoenix, Arizona + 62 more
Conditions
Hepatitis C, Chronic
Interventions
GS-5885, GS-9451, tegobuvir, placebo to match tegobuvir, placebo to match RBV, Ribavirin
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
37
States / cities
Tucson, Arizona • Anaheim, California • Beverly Hills, California + 30 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 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