NCT01834508

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.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
600

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Mar 2013

Longer than P75 for phase_4

Geographic Reach
1 country

28 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2013

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

April 14, 2013

Completed
4 days until next milestone

First Posted

Study publicly available on registry

April 18, 2013

Completed
3.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2016

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2016

Completed
Last Updated

June 19, 2014

Status Verified

June 1, 2014

Enrollment Period

3.3 years

First QC Date

April 14, 2013

Last Update Submit

June 17, 2014

Conditions

Keywords

Experienced Treatment

Outcome Measures

Primary Outcomes (1)

  • Percentages of patients achieving HBV DNA< 300copies/mL at week 144

    Week 144

Secondary Outcomes (4)

  • Percentages of patients achieving HBV DNA <300copies/mL at week 48/96

    Week 48 & 96

  • The log10 reduction in HBV DNA from baseline of DRAGON study at week 48/96/144

    Week 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 48/96/144

    Week 48 & 96 & 144

Study Arms (1)

Treatment group

OTHER
Drug: oral entecavir 0.5mg daily and adefovir 10mg daily for 144 weeks

Interventions

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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.

You may not qualify if:

  • Subjects who could not compliance with the protocol judged by investigators

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (28)

302 Military Hospital Of China

Beijing, Beijing Municipality, China

Location

Beijing Ditan Hospita

Beijing, Beijing Municipality, China

Location

Beijing Friendship Hospital Attached To The Capital Medical University

Beijing, Beijing Municipality, China

Location

BeiJing YouAn Hospital ,Capital Medical University

Beijing, Beijing Municipality, China

Location

Department of infectious disease, First Hospital of Peking University

Beijing, Beijing Municipality, China

Location

People's Hospital Under Beijnig University

Beijing, Beijing Municipality, China

Location

The Second Affiliated of ChongQing University of Medical Science

Chongqing, Chongqing Municipality, China

Location

The First Affiliated Hospital of Fujian Medical University

Fuzhou, Fujian, China

Location

The First People's Hospital of Foshan

Foshan, Guangdong, China

Location

Department of Infectious Disease, Nanfang Hospital

Guangzhou, Guangdong, China

Location

GuangDong Provincial People's hospital

Guangzhou, Guangdong, China

Location

No. 8 People's Hospital In GuangZhou

Guangzhou, Guangdong, China

Location

The Third Hospital of Sun Yat-Sen University

Guangzhou, Guangdong, China

Location

First Affiliated Hospital of Guangxi Medical University

Nanning, Guangxi, China

Location

Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology

Wuhan, Hubei, China

Location

Xiangya Hospital Central-South Univrsity

Changsha, Hunan, China

Location

No.81 Hospital of PLA

Nanjing, Jiangsu, China

Location

First Hospital .Jilin Unniversity

Changchun, Jilin, China

Location

ShengJing Hospital of China Medical University

Shengyang, Liaoning, China

Location

JiNan Infectious Diseases Hospital

Jinan, Shandong, China

Location

Changhai Hospital affiliated to Second Military Medical University

Shanghai, Shanghai Municipality, China

Location

Huashan Hospital,Fudan University

Shanghai, Shanghai Municipality, China

Location

No.85 Hospital of PLA

Shanghai, Shanghai Municipality, China

Location

Shanghai Ruijin Hospital

Shanghai, Shanghai Municipality, China

Location

Tangdu Hospital

XiAn, Shanxi, China

Location

West China Hospital.SiChuan University

Chengdu, Sichuan, China

Location

HangZhou No.6 People Hospital

Hangzhou, Zhejiang, China

Location

The First Affiliated Hospital of College of Medicine, Zhejiang University

Hangzhou, Zhejiang, China

Location

MeSH Terms

Conditions

Hepatitis B, Chronic

Interventions

entecaviradefovir

Condition Hierarchy (Ancestors)

Hepatitis BBlood-Borne InfectionsCommunicable DiseasesInfectionsHepadnaviridae InfectionsDNA Virus InfectionsVirus DiseasesHepatitis, Viral, HumanHepatitis, ChronicHepatitisLiver DiseasesDigestive System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 14, 2013

First Posted

April 18, 2013

Study Start

March 1, 2013

Primary Completion

June 1, 2016

Study Completion

December 1, 2016

Last Updated

June 19, 2014

Record last verified: 2014-06

Locations