Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Terminated Phase 2 Interventional

GS-5885, GS-9451 With Peginterferon Alfa 2a (PEG) and Ribavirin in Treatment-Naïve Subjects With Chronic Genotype 1 Hep C Virus Infection and IL28B CC Genotype

ClinicalTrials.gov ID: NCT01384383

Public ClinicalTrials.gov record NCT01384383. 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 May 5, 2026, 5:09 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, Open-Label, Exploratory Trial of GS-5885, GS-9451 With Peginterferon Alfa 2a and Ribavirin (RBV) in Treatment-Naïve Subjects With Chronic Genotype 1 Hepatitis C Virus Infection and IL28B CC Genotype

Study identification

NCT ID
NCT01384383
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Gilead Sciences
Industry
Enrollment
248 participants

Conditions and interventions

Interventions

  • GS-5885 Drug
  • GS-9451 Drug
  • PEG Drug
  • RBV Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 70 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 31, 2011
Primary completion
May 31, 2013
Completion
May 31, 2013
Last update posted
Feb 2, 2014

2011 – 2013

United States locations

U.S. sites
26
U.S. states
12
U.S. cities
23
Facility City State ZIP Site status
Axis Clinical Trials Los Angeles California 90036
Axis Clinical Trials Los Angeles California 90057
UCLA Medical Center Los Angeles California 90057
V.A. Greater Los Angeles Healthcare System Los Angeles California 90073
UC Davis Medical Center Sacramento California 95817
Research and Education, Inc. San Diego California 92105
San Jose Gastroenterology San Jose California 95116
Stanford University Stanford California 94035
South Denver Gastroenterology Englewood Colorado 80113
Indianapolis Gastroenterology Research Foundation Indianapolis Indiana 46237
Commonwealth Clinical Studies, LLC Brockton Massachusetts 02302
Impact Clinical Trials Las Vegas Nevada 89106
North Shore University Hospital Great Neck New York 11021
Weill Cornell College of Medicine New York New York 10021
Westchester Medical Center Yonkers New York 10701
Asheville Gastroenterology Associates, P.A. Asheville North Carolina 28801
The University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599
Duke University Durham North Carolina 27710
Oregon Health & Science University Portland Oregon 97239
The North Texas Research Institute Arlington Texas 76012
Research Specialists of Texas Houston Texas 77030
University of Utah Pediatric Pulmonology Salt Lake City Utah 84143
Metropolitan Liver Diseases Center Fairfax Virginia 22031
Liver Institute of Virginia, Bon Secours Health System Newport News Virginia 23602
Digestive and Liver Disease Specialists Norfolk Virginia 23502
Harborview Medical Center Seattle Washington 98104

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 29 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01384383, 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 2, 2014 · Synced May 5, 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 protocol, eligibility criteria, and contact information for NCT01384383 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →