GS-5885, GS-9451, Tegobuvir and Ribovirin in Treatment-Experienced Subjects With Chronic Genotype 1a Or 1b Hepatitis C Virus (HCV) Infection
Public ClinicalTrials.gov record NCT01435226. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2 Randomized, Double-Blind, Placebo-Controlled Study of GS-5885, GS-9451, Tegobuvir and Ribavirin (RBV) Compared With GS-5885, GS-9451 With Tegobuvir or RBV in Treatment-Experienced Subjects With Chronic Genotype 1a or 1b Hepatitis C Virus (HCV) Infection
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a Phase 2 Randomized, Double-Blind, Placebo-Controlled Study of GS-5885, GS-9451, Tegobuvir and Ribavirin (RBV) Compared with GS-5885, GS-9451 with Tegobuvir or RBV in Treatment-Experienced Subjects with Chronic Genotype 1a or 1b Hepatitis C Virus (HCV) Infection.
Study identification
- NCT ID
- NCT01435226
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 170 participants
Conditions and interventions
Conditions
Interventions
- GS-5885 Drug
- GS-9451 Drug
- tegobuvir Drug
- placebo to match tegobuvir Drug
- placebo to match RBV Drug
- Ribavirin Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 2011 (Type not available)
- Primary completion
- Jan 2013 (Actual)
- Completion
- Jul 2013 (Actual)
- Last update posted
- Dec 17, 2013
2011 – 2013
United States locations
- U.S. sites
- 37
- U.S. states
- 19
- U.S. cities
- 33
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Arizona | Tucson | Arizona | 85724 | — |
| Advanced Clinical Research Institute, LLC | Anaheim | California | 92801 | — |
| California Liver Institute | Beverly Hills | California | 90211 | — |
| SCTI Research Foundation Liver Center | Coronado | California | 92118 | — |
| University of California, San Diego | La Jolla | California | 92161 | — |
| Lightsource Medical | Los Angeles | California | 90036 | — |
| Medical Associates Research Group, Inc. | San Diego | California | 92123 | — |
| Kaiser Permanente | San Diego | California | 92154 | — |
| California Pacific Medical Center | San Francisco | California | 94115 | — |
| San Jose Gastroenterology | San Jose | California | 95128 | — |
| Whitman Walker Clinic | Washington D.C. | District of Columbia | 20037 | — |
| Avail Clinical Research, LLC | DeLand | Florida | 32720 | — |
| University of Miami, Center for Liver Diseases | Miami | Florida | 33136 | — |
| Infectious Disease Specialists of Atlanta | Decatur | Georgia | 30033 | — |
| University of Kansas Medical Center | Kansas City | Kansas | 66160 | — |
| Mercy Medical Center | Baltimore | Maryland | 21202 | — |
| Johns Hopkins University | Lutherville | Maryland | 21093 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Henry Ford Health System | Novi | Michigan | 48377 | — |
| Weill Medical College of Cornell Univeristy | New York | New York | 10021 | — |
| Mount Sinai School of Medicine | New York | New York | 10029 | — |
| Montefiore Medical Center | The Bronx | New York | 10467 | — |
| University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | 27599 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| University Gastroenterology | Providence | Rhode Island | 02905 | — |
| Gastro One | Germantown | Tennessee | 38138 | — |
| Southwest Infectious Disease Clinical Research, Inc | Dallas | Texas | 75204 | — |
| University of Texas Medical Branch | Galveston | Texas | 77555 | — |
| Therapeutic Concepts, PA | Houston | Texas | 77004 | — |
| The University of Texas Health Sciences Center at Houston | Houston | Texas | 77030 | — |
| Alamo Medical Research, Ltd. | San Antonio | Texas | 78215 | — |
| University of Utah | Salt Lake City | Utah | 84132 | — |
| Bon Secours St. Mary's Hospital of Richmond, Inc. | Newport News | Virginia | 23602 | — |
| Digestive and Liver Disease Specialists | Norfolk | Virginia | 23502 | — |
| Virginia Mason Medical Center | Seattle | Washington | 98101 | — |
| University of Wisconsin Hospital and Clinics | Madison | Wisconsin | 53792 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 14 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01435226, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 17, 2013 · Synced Oct 23, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01435226 live on ClinicalTrials.gov.