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Completed Phase 3 Interventional Results available

Sofosbuvir With Peginterferon Alfa 2a and Ribavirin for 12 Weeks in Treatment-Naive Subjects With Chronic Genotype 1, 4, 5, or 6 HCV Infection

ClinicalTrials.gov ID: NCT01641640

Public ClinicalTrials.gov record NCT01641640. 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, 12:41 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 3, Multicenter, Open-Label Study to Investigate the Efficacy and Safety of GS-7977 With Peginterferon Alfa 2a and Ribavirin for 12 Weeks in Treatment-Naive Subjects With Chronic Genotype 1, 4, 5, or 6 HCV Infection

Study identification

NCT ID
NCT01641640
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Gilead Sciences
Industry
Enrollment
328 participants

Conditions and interventions

Interventions

  • Sofosbuvir Drug
  • RBV Drug
  • PEG 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
May 31, 2012
Primary completion
Dec 31, 2012
Completion
Mar 31, 2013
Last update posted
May 7, 2014

2012 – 2013

United States locations

U.S. sites
55
U.S. states
24
U.S. cities
46
Facility City State ZIP Site status
University of Alabama Birmingham Birmingham Alabama 35294-2170
SCTI Research Foundation Coronado California 92118
Kaiser Permanente Los Angeles California 90027
Peter J. Ruane, MD, Inc. Los Angeles California 90036
Anthony Mills MD, Inc. Los Angeles California 90069
University of California San Diego San Diego California 92103
Medical Associates Research Group, Inc. San Diego California 92123
Kaiser Permanente San Diego California 92154
Quest Clinical Research San Francisco California 94115
University of Colorado Aurora Colorado 80045
South Denver Gastroenterology, PC Englewood Colorado 80113
Whitman Walker Clinic Washington D.C. District of Columbia 20009
Capital Medical Associates Washington D.C. District of Columbia 20036
University of Florida Gainesville Florida 32610-0277
Borland-Groover Clinic Baptist Jacksonville Florida 32256
University of Miami Center for Liver Diseases Miami Florida 33136
Advanced Research Institute New Port Richey Florida 34653
Orlando Immunology Center (ACH) Orlando Florida 32803-1851
Internal Medicine Specialists Orlando Florida 32806
South Florida Center of Gastroenterology, P.A. Wellington Florida 33414
Digestive Healthcare of Georgia Atlanta Georgia 30309
Infectious Disease Specialist of Atlanta Decatur Georgia 30033
Gastrointestinal Specialists of Georgia, PC Marietta Georgia 30060
Indianapolis Gastroenterology Research Foundation Indianapolis Indiana 46237
Graves-Gilbert Clinic Bowling Green Kentucky 42101
Gastroenterology Associates, LLC Baton Rouge Louisiana 70809
Johns Hopkins University Lutherville Maryland 21093
Massachusetts General Hospital Boston Massachusetts 02114
Beth Israel Deaconess Medical Center Boston Massachusetts 02215
The Research Institute Springfield Massachusetts 01105
Henry Ford Health System Novi Michigan 48377
Minnesota Gastroenterology, P.A. Saint Paul Minnesota 55114
Kansas City Gastroenterology and Hepatology Kansas City Missouri 64131
Comprehensive Clinical Research Berlin New Jersey 08009
ID Care Hillsborough New Jersey 08844
Southwest C.A.R.E. Center Santa Fe New Mexico 87505
Binghamton Gastroenterology Associates Binghamton New York 13903
Weill Cornell Medical College New York New York 10021
Mount Sinai School of Medicine New York New York 10029
Asheville Gastroenterology Associates, P.A. Asheville North Carolina 28801
Duke University Medical Center Durham North Carolina 27710
Digestive Health Specialists, PA Winston-Salem North Carolina 27103
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104
University Gastroenterology Providence Rhode Island 02905
The Miriam Hospital Providence Rhode Island 02906
Gastro One Germantown Tennessee 38138
Nashville Gastrointestinal Specialists, Inc Nashville Tennessee 37211
Southwest Infectious Disease Clinical Research, Inc. Dallas Texas 75219
Research Specialists of Texas Houston Texas 77030
Alamo Medical Research San Antonio Texas 78215
Metropolitan Research Fairfax Virginia 22031
Inova Fairfax Hospital Center for Liver Diseases Falls Church Virginia 22042
Digestive and Liver Disease Specialists Norfolk Virginia 23502
Bon Secours St. Mary's Hospital of Richmond, Inc. Richmond Virginia 23226
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 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01641640, 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 May 7, 2014 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01641640 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →