Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT01940341 · ClinicalTrials.gov registry record · Phase 3

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

A Phase 3 study of HBeAg-negative Chronic Hepatitis B, sponsored by Gilead Sciences.

Completed
Registry status
Phase 3
Development phase
426
Enrollment target
20
Study locations

NCT01940341: Completed Phase 3 study of HBeAg-negative Chronic Hepatitis B, sponsored by Gilead Sciences.

NCT01940341 is a Phase 3 study of HBeAg-negative Chronic Hepatitis B that has completed, run by Gilead Sciences. The registered enrollment target is 426 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (45% lower). The trial reports 20 study locations across 11 states. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT01940341, a Phase 3 study of HBeAg-negative Chronic Hepatitis B, has completed, sponsored by Gilead Sciences.

COMPLETED
Registry status
Phase 3
Development phase
426 participants
Enrollment target
20
Study locations

Study Summary

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.

Primary Outcome

The primary efficacy endpoint was determined by the achievement of HBV DNA \< 29 IU/mL at Week 48.

Interventions

  • DRUG TAF
  • DRUG TDF
  • DRUG TDF Placebo
  • DRUG TAF Placebo

Study Locations (20)

California

  • Asian Pacific Liver Center - Los Angeles
  • Stanford University Medical Center - Palo Alto
  • Huntington Medical Research Institutes - Pasadena
  • Research and Education, Inc. - San Diego
  • University California San Francisco (UCSF) - San Francisco
  • Silicon Valley Research Institute - San Jose

Victoria

  • Monash Medical Centre - Clayton
  • St. Vincent's Hospital - Fitzroy
  • Royal Melbourne Hospital - Parkville

New York

  • Sing Chan Private Practice - Flushing
  • New Discovery, LLC - Flushing

Western Australia

  • Sir Charles Gairdner Hospital - Nedlands
  • Royal Perth Hospital - Perth

Florida

  • University of Miami - Miami

Maryland

  • Digestive Disease Associates, PA - Catonsville

Michigan

  • Henry Ford Health System - Detroit

New Jersey

  • ID Care - Hillsborough

Trial Details

FieldValue
Enrollment Target 426 participants
Start Date 2013-09-12
Est. Completion 2022-08-31
Phase Phase 3
Gilead Sciences

504 total trials

What the finished NCT01940341 record still lists

NCT01940341 is an interventional study that assigns participants to a tested intervention. The registered 426 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (45% lower).

The record links to 1 condition, with HBeAg-negative Chronic Hepatitis B appearing as the primary indexed condition, and to 4 interventions - of which TAF is the first listed.

NCT01940341 names 20 study sites across 11 states, led by California, Victoria, New York.

Frequently Asked Questions

What is clinical trial NCT01940341 about?

NCT01940341 is a clinical study titled "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". 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...

What is the current status of trial NCT01940341?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 426 participants. The study started on 2013-09-12. Estimated completion is 2022-08-31.

What conditions does trial NCT01940341 study?

This clinical trial studies the following conditions: HBeAg-negative Chronic Hepatitis B.

What interventions are being tested in trial NCT01940341?

The interventions under investigation include: TAF (DRUG), TDF (DRUG), TDF Placebo (DRUG), TAF Placebo (DRUG).

Who is sponsoring clinical trial NCT01940341?

This trial is sponsored by Gilead Sciences, which has 504 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT01940341 being conducted?

This trial has 20 study locations across California, Florida, Maryland, Michigan, New Jersey. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

How this trial's enrollment target compares

Where NCT01940341's enrollment target sits among peer trials

426 882nd of 2000 higher than 1,118 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT06790784 · 426 participants · Phase 3

    Faricimab + PRP vs. Vitrectomy + Endolaser for Treatment of PDR

  • NCT04265430 · 425 participants · Phase 4

    Serial Magnetic Resonance Imaging for the Prediction of Radiation-Induced Changes in Normal Tissue of Patients With Oral Cavity or Skull Base Tumors

  • NCT04278690 · 425 participants · NA

    Supporting Safe Use of Medications by Parents After Infant Discharge From the Neonatal Intensive Care Unit

  • NCT05321368 · 425 participants · NA

    A Cardiometabolic Health Program Linked With Clinical-Community Support and Mobile Health Telemonitoring to Reduce Health Disparities

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT01940341, the US trial registry maintained by the National Library of Medicine. NCT01940341 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.