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Completed Phase 2 Interventional

GS-5885, GS-9451, Tegobuvir and Ribavirin (RBV) in Interferon Ineligible or Intolerant Subjects With Chronic Genotype 1a or 1b Hepatitis C Virus (HCV) Infection

ClinicalTrials.gov ID: NCT01434498

Public ClinicalTrials.gov record NCT01434498. 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.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 3:22 AM EDT

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; GS-5885, GS-9451 and Tegobuvir; GS-5885, GS-9451 and Ribavirin in Interferon Ineligible or Intolerant Subjects With Chronic Genotype 1a or 1b HCV Infection (Protocol No. GS US 248 0132)

Study identification

NCT ID
NCT01434498
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Gilead Sciences
Industry
Enrollment
163 participants

Conditions and interventions

Interventions

  • GS-5885 tablet Drug
  • GS-9451 tablet Drug
  • tegobuvir capsule Drug
  • ribavirin tablet Drug
  • placebo matching ribavirin tablet Drug
  • placebo matching tegobuvir capsule Device

Drug · Device

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
Aug 31, 2011
Primary completion
Dec 31, 2012
Completion
Dec 31, 2012
Last update posted
Dec 19, 2013

2011 – 2013

United States locations

U.S. sites
36
U.S. states
18
U.S. cities
31
Facility City State ZIP Site status
California Liver Institute Beverly Hills California 90211
SCTI Research Foundation Liver Center Coronado California 92118
Scripps Clinic La Jolla California 92037
University of California, San Diego La Jolla California 92161
Kaiser Permanente Medical Center Los Angeles California 90027
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
University of Colorado Aurora Colorado 80045
University of Miami, Center for Liver Diseases Miami Florida 33136
Orlando Immunology Center (ACH) Orlando Florida 32803-1851
Gastrointestinal Specialists of Georgia, PC Marietta Georgia 30060
Indianapolis Gastroenterology Research Foundation Indianapolis Indiana 46237
University of Kansas Medical Center Kansas City Kansas 66160
Johns Hopkins University Lutherville Maryland 21093
Massachusetts General Hospital Boston Massachusetts 02114
Beth Israel Deconess Medical Center Boston Massachusetts 02215
The Research Institute Springfield Massachusetts 01105
Henry Ford Health System Novi Michigan 48377
Saint Michael's Medical Center Newark New Jersey 07102
Weill Cornell Medical College New York New York 10021
Asheville Gastroenterology Associates, P.A. Asheville North Carolina 28801
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599
University of Pennsylvania Philadelphia Pennsylvania 19104
Thomas Jefferson University Hospital Philadelphia Pennsylvania 19107
University Gastroenterology Providence Rhode Island 02905
Gastro One Germantown Tennessee 38138
The North Texas Research Institute Arlington Texas 76012
The University of Texas Medical Branch Galveston Texas 77555
The University of Texas Health Sciences Center at Houston Houston Texas 77030
Alamo Medical Research San Antonio Texas 78215
Inova Fairfax Hospital Center for Liver Diseases Falls Church Virginia 22042
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

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 NCT01434498, 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 19, 2013 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01434498 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →