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Completed Phase 4 Interventional Results available

Efficacy & Safety of Tenofovir Disoproxil Fumarate (TDF) Plus Peginterferon α-2a (Peg-IFN) Versus TDF or Peg-IFN Monotherapy in Chronic Hepatitis B

ClinicalTrials.gov ID: NCT01277601

Public ClinicalTrials.gov record NCT01277601. 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 21, 2026, 4:44 PM 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 4, Randomized, Open-label, Active-Controlled, Superiority Study to Evaluate the Efficacy and Safety of Tenofovir Disoproxil Fumarate (TDF) in Combination With Peginterferon α-2a (Pegasys®) Versus Standard of Care Tenofovir Disoproxil Fumarate Monotherapy or Peginterferon α-2a Monotherapy for 48 Weeks in Non-Cirrhotic Subjects With HBeAg-Positive or HBeAg-Negative Chronic Hepatitis B (CHB)

Study identification

NCT ID
NCT01277601
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Gilead Sciences
Industry
Enrollment
751 participants

Conditions and interventions

Interventions

  • TDF Drug
  • Peg-IFN Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 75 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
Mar 31, 2011
Primary completion
Jul 31, 2014
Completion
Jun 30, 2015
Last update posted
Aug 25, 2016

2011 – 2015

United States locations

U.S. sites
26
U.S. states
13
U.S. cities
20
Facility City State ZIP Site status
Asian Pacific Liver Center Los Angeles California
Stanford University Medical Center Palo Alto California
Research and Education Inc San Diego California
San Jose Gastroenterology San Jose California
Avail Clinical Research, LLC DeLand Florida
Centre for Advanced Gastroenterology Maitland Florida
University of Miami / Jackson Memorial Medical Center Miami Florida
University of Chicago Chicago Illinois
LSU Gastroenterology/Center for Digestive Diseases New Orleans Louisiana
Tulane University Hospital and Clinic New Orleans Louisiana
Digestive Disease Associates Baltimore Maryland
Tufts Medical Center Boston Massachusetts
Henry Ford Hospital Detroit Michigan
ID Care, Inc. Hillsborough New Jersey
Medical Procare, PLLC Flushing New York
North Shore University Hospital Great Neck New York
Beth Israel Medical Center New York New York
New York Univ. Medical Center New York New York
Weill Cornell Medical College of Cornell University New York New York
Private Practice Philadelphia Pennsylvania
Advanced Liver Therapies at St. Luke's Episcopal Hospital Houston Texas
Kelsey Research Foundation Houston Texas
Liver Associates of Texas, Houston Texas
University of Utah Salt Lake City Utah
Liver Institute of Virginia, Bon Secours Health System Richmond Virginia
McGuire Research Institute Richmond Virginia

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 145 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01277601, 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 Aug 25, 2016 · Synced Jul 21, 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 NCT01277601 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →