Oral Antivirals (GS-5885, Tegobuvir, and/or GS-9451) With Peginterferon Alfa 2a and Ribavirin in Treatment Experienced Subjects With Chronic Genotype 1 Hepatitis C Virus Infection
Public ClinicalTrials.gov record NCT01371578. 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 2b, Randomized, Double-Blind, Placebo-Controlled Trial Evaluating Response Guided Therapy Using Combinations of Oral Antivirals (GS-5885, Tegobuvir, and/or GS-9451) With Peginterferon Alfa 2a and Ribavirin in Treatment Experienced Subjects With Chronic Genotype 1 Hepatitis C Virus Infection (Protocol GS US 256 0124)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a Phase 2b, Randomized, Double-Blind, Placebo-Controlled Trial Evaluating Response Guided Therapy using Combinations of Oral Antivirals (GS-5885, tegobuvir, and/or GS-9451) with Peginterferon Alfa 2a and Ribavirin in Treatment Experienced Subjects with Chronic Genotype 1 Hepatitis C Virus (HCV) Infection.
Study identification
- NCT ID
- NCT01371578
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 163 participants
Conditions and interventions
Conditions
Interventions
- GS-5885 tablet Drug
- GS-9451 tablet Drug
- peginterferon alfa-2a Biological
- ribavirin tablet Drug
Drug · Biological
Eligibility (public fields only)
- Age range
- 18 Years to 80 Years
- 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
- Jul 2011 (Type not available)
- Primary completion
- Mar 2013 (Actual)
- Completion
- Mar 2013 (Actual)
- Last update posted
- Feb 11, 2014
2011 – 2013
United States locations
- U.S. sites
- 54
- U.S. states
- 23
- U.S. cities
- 46
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Digestive Health Specialists of the Southeast | Dothan | Alabama | 36305 | — |
| Alabama Liver and Digestive Specialists | Montgomery | Alabama | 36116 | — |
| California Liver Institute | Beverly Hills | California | 90211 | — |
| Scripps Clinic | La Jolla | California | 92037 | — |
| University of California Davis Medical Center | Sacramento | California | 95817 | — |
| RESEARCH and EDUCATION, INC | San Diego | California | 92015 | — |
| Medical Associates Research Group | San Diego | California | 92123 | — |
| Kaiser Permanente | San Diego | California | 92154 | — |
| University of Colorado Denver | Aurora | Colorado | 80045 | — |
| South Denver Gastroenterology | Englewood | Colorado | 80110 | — |
| Bach and Godofsky Infectious Diseases | Bradenton | Florida | 34209 | — |
| University of Florida | Gainesville | Florida | 32610 | — |
| University of Miami | Miami | Florida | 33136 | — |
| Orlando Immunology Center | Orlando | Florida | 32803 | — |
| South Florida Center of Gastroenterology, LLC | Wellington | Florida | 33414 | — |
| Emory University, Infectious Disease Clinic | Atlanta | Georgia | 30308 | — |
| Digestive Healthcare of Georgia | Atlanta | Georgia | 30309 | — |
| Dekalb Gastroenterology | Decatur | Georgia | 30033 | — |
| Gastrointestinal Specialists of Georgia PC | Marietta | Georgia | 30060 | — |
| Indiana University | Indianapolis | Indiana | 46202 | — |
| Indianapolis Gastroenterology Research Foundation | Indianapolis | Indiana | 46237 | — |
| Graves Gilbert Clinic | Bowling Green | Kentucky | 42101 | — |
| Gastroenterology Associates, LLC | Baton Rouge | Louisiana | 70809 | — |
| Digestive Disease Associates, PA | Baltimore | Maryland | 21229 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02115 | — |
| Partners in Internal Medicine, P.C. | Worcester | Massachusetts | 01608 | — |
| Henry Ford Health System | Detroit | Michigan | 48202 | — |
| Gastrointestinal Associates, PA | Jackson | Mississippi | 39202 | — |
| Digestive Health Specialists, PA | Tupelo | Mississippi | 38801 | — |
| ID Care 105 | Hillsborough | New Jersey | 08844 | — |
| Atlantic Research Affiliates, LLC | Morristown | New Jersey | 07960 | — |
| Southwest CARE Center | Santa Fe | New Mexico | 87505 | — |
| Binghamton Gastroenterology | Binghamton | New York | 13903 | — |
| North Shore University Hospital | Manhasset | New York | 11030 | — |
| Concorde Medical Group | New York | New York | 10016 | — |
| Cornell University Gastroenterology & Hepatology | New York | New York | 10021 | — |
| Asheville Gastroenterology Associates, P.A. | Asheville | North Carolina | 28801 | — |
| Duke University Medical Center | Durham | North Carolina | 27710 | — |
| Cumberland Research Associates, LLC | Fayetteville | North Carolina | 28304 | — |
| University of Cincinnati | Cincinnati | Ohio | 45267 | — |
| Options Health Research, LLC | Tulsa | Oklahoma | 74104 | — |
| University Gastroenterology | Providence | Rhode Island | 02905 | — |
| Memphis Gastroenterology Group | Germantown | Tennessee | 38138 | — |
| Columbia Medical Group, The Frist Clinic | Nashville | Tennessee | 37203 | — |
| Nashville Medical Research Institute | Nashville | Tennessee | 37205 | — |
| Nashville Gastrointestinal Specialists, Inc | Nashville | Tennessee | 37211 | — |
| The North Texas Research Institute | Arlington | Texas | 76012 | — |
| Baylor University Medical Center | Dallas | Texas | 75246 | — |
| Kelsey Research Foundation | Houston | Texas | 77005 | — |
| Research Specialists of Texas | Houston | Texas | 77030 | — |
| Metropolitan Research | Fairfax | Virginia | 22031 | — |
| Digestive and Liver Disease Specialists | Norfolk | Virginia | 23502 | — |
| Liver Institute of Virginia | Richmond | Virginia | 23249 | — |
| Virginia Mason Medical Center, Digestive Disease Institute | Seattle | Washington | 98101 | — |
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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01371578, 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 Feb 11, 2014 · Synced Oct 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01371578 live on ClinicalTrials.gov.