Tenofovir Monotherapy in Patients With Chronic Hepatitis B Patients Who Had Achieved Complete Viral Suppression on Entecavir Plus Tenofovir

July 28, 2017 updated by: Chang Wook Kim, Uijeongbu St. Mary Hospital

Investigation of Efficacy of Tenofovir Monotherapy in Comparison With Entecavir Plus Tenofovir in Patients With Chronic Hepatitis B Patients Who Had Achieved Complete Viral Suppression on Entecavir Plus Tenofovir Combination Therapy-Multicenter Randomized Open-label Controlled Trial

Little is known about efficacy of switching to tenofovir monotherapy for multidrug-resistant chronic ehpatitis B patients who achieved a complete virological response to entecavir and tenofovir. This study aimed to investigate the efficacy of switching to tenofovir monotherapy for multidrug-resistant chronic hepatitis B patients with undetectable heaptitis B virus DNA while on tenofovir plus entecavir combination therapy.

Study Overview

Study Type

Interventional

Enrollment (Anticipated)

112

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

19 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • HBsAg (+) for > 6 months age >19 years antiviral resistance to LAM(rtL180M and/or M204V/I) & ADV (rtA181V/T and/or rtN236T) or ETV (rtT184A/C/F/G/I/L/S, rtS202G, or rtM250L/V, in addition to rtM204V/I) HBV DNA levels <20 IU/ml on two consecutive tests of 3-month interval currently receiving TDF+ETV for more than 12 months

Exclusion Criteria:

  • Cr ≥1.5 mg/dL Evidence of decompensated liver disease Malignant neoplasm Coinfection with HIV, HCV

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: tenofovir
switching to tenofovir monotherapy
Active Comparator: tenofovir plus entecavir
continuing tenofovir plus entecavir

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
SVR at week 48
Time Frame: 48 week
Proportion of patients with a sustained virological response (serum HBV DNA <20 IU/mL) at week 48
48 week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2016

Primary Completion (Anticipated)

June 30, 2018

Study Completion (Anticipated)

June 30, 2019

Study Registration Dates

First Submitted

July 28, 2017

First Submitted That Met QC Criteria

July 28, 2017

First Posted (Actual)

August 2, 2017

Study Record Updates

Last Update Posted (Actual)

August 2, 2017

Last Update Submitted That Met QC Criteria

July 28, 2017

Last Verified

July 1, 2017

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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