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Completed Phase 3 Interventional Results available

Study to Compare Tenofovir Alafenamide (TAF) Versus Tenofovir Disoproxil Fumarate (TDF) in Participants With Chronic Hepatitis B Infection Who Are Negative for Hepatitis B e Antigen

ClinicalTrials.gov ID: NCT01940341

Public ClinicalTrials.gov record NCT01940341. 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 Oct 21, 2026, 5:13 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, Randomized, Double-Blind Study to Evaluate the Safety and Efficacy of Tenofovir Alafenamide (TAF) 25 mg QD Versus Tenofovir Disoproxil Fumarate (TDF) 300 mg QD for the Treatment of HBeAg-Negative, Chronic Hepatitis B

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objective of this study is to compare the efficacy, safety, and tolerability of tenofovir alafenamide (TAF) versus tenofovir disoproxil fumarate (TDF) in treatment-naive and treatment-experienced adults with hepatitis B e antigen (HBeAg)-negative chronic hepatitis B virus (HBV) infection.

Study identification

NCT ID
NCT01940341
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Gilead Sciences
Industry
Enrollment
426 participants

Conditions and interventions

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
Sep 12, 2013 (Actual)
Primary completion
Sep 30, 2015 (Actual)
Completion
Aug 31, 2022 (Actual)
Last update posted
Sep 25, 2023

2013 – 2022

United States locations

U.S. sites
14
U.S. states
8
U.S. cities
13
Facility City State ZIP Site status
Asian Pacific Liver Center Los Angeles California 90020 —
Stanford University Medical Center Palo Alto California 94304 —
Huntington Medical Research Institutes Pasadena California 91105 —
Research and Education, Inc. San Diego California 92105 —
University California San Francisco (UCSF) San Francisco California 94110 —
Silicon Valley Research Institute San Jose California 95128 —
University of Miami Miami Florida 33136 —
Digestive Disease Associates, PA Catonsville Maryland 21228 —
Henry Ford Health System Detroit Michigan 48202 —
ID Care Hillsborough New Jersey 08844 —
Sing Chan Private Practice Flushing New York 11354 —
New Discovery, LLC Flushing New York 11355 —
Xiaoli Ma, PC Philadelphia Pennsylvania 19107 —
Hunter Holmes McGuire VA DVMC Richmond Virginia 23249 —

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 91 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01940341, 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 Sep 25, 2023 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01940341 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →