MedPath

3E Extension Study

Phase 4
Conditions
Chronic Hepatitis B
Interventions
Drug: oral entecavir 0.5mg daily and adefovir 10mg daily for 144 weeks
Registration Number
NCT01834508
Lead Sponsor
Nanfang Hospital, Southern Medical University
Brief Summary

The purpose of this study is to evaluate the long-term efficacy and safety of entecavir 0.5 mg/d + adefovir 10 mg/d for treatment experienced chronic hepatitis B patients.

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
600
Inclusion Criteria
  • Subjects who completed the EXPLORE or EXCEL studies, or subjects with hepatitis flare after treatment withdrawal in EFFORT study.
  • Subjects who are willing to participate the extension study.
Exclusion Criteria
  • Subjects who could not compliance with the protocol judged by investigators

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Treatment grouporal entecavir 0.5mg daily and adefovir 10mg daily for 144 weeks-
Primary Outcome Measures
NameTimeMethod
Percentages of patients achieving HBV DNA< 300copies/mL at week 144Week 144
Secondary Outcome Measures
NameTimeMethod
The log10 reduction in HBV DNA from baseline of DRAGON study at week 48/96/144Week 48 & 96 &144
Percentage of patients with HBeAg loss or HBeAg seroconversion at week 48/96/144.Week 48 & 96 & 144
Percentage of patients with ALT normalization at week 48/96/144Week 48 & 96 & 144
Percentages of patients achieving HBV DNA <300copies/mL at week 48/96Week 48 & 96

Trial Locations

Locations (28)

302 Military Hospital Of China

🇨🇳

Beijing, Beijing, China

Beijing Ditan Hospita

🇨🇳

Beijing, Beijing, China

Beijing Friendship Hospital Attached To The Capital Medical University

🇨🇳

Beijing, Beijing, China

BeiJing YouAn Hospital ,Capital Medical University

🇨🇳

Beijing, Beijing, China

Department of infectious disease, First Hospital of Peking University

🇨🇳

Beijing, Beijing, China

People's Hospital Under Beijnig University

🇨🇳

Beijing, Beijing, China

The Second Affiliated of ChongQing University of Medical Science

🇨🇳

Chongqing, Chongqing, China

The First Affiliated Hospital of Fujian Medical University

🇨🇳

FuZhou, Fujian, China

The First People's Hospital of Foshan

🇨🇳

FoShan, Guangdong, China

Department of Infectious Disease, Nanfang Hospital

🇨🇳

Guangzhou, Guangdong, China

Scroll for more (18 remaining)
302 Military Hospital Of China
🇨🇳Beijing, Beijing, China

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.