Skip to content

Efficacy Optimizing Extension Study of Chronic Hepatitis B Patients With Inadequate Response to NUC Therapy

A 3-year, Open-lable, Multi-center Extension Trial of Entecavir Therapy for Patients Previously Treated in Dragon Study

Status
UNKNOWN
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01829685
Acronym
Dragon-Ex
Enrollment
360
Registered
2013-04-11
Start date
2013-03-31
Completion date
Unknown
Last updated
2014-06-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Hepatitis B, Inadequate Response, Nucleos(t)Ide Analogues Treatment

Brief summary

The purpose of this study is to compare the long-term efficacy and safety of entecavir 1.0 mg/d + adefovir 10 mg/d with entecavir 0.5 mg/d + adefovir 10 mg/d for chronic hepatitis B patients with inadequate response to NUC therapy

Interventions

Sponsors

Major Science and Technology Special Project of China Eleventh Five-year
CollaboratorOTHER
Nanfang Hospital, Southern Medical University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Subjects who completed the 104-week Dragon study. * Subjects who are willing to participate the extension study.

Exclusion criteria

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

Design outcomes

Primary

MeasureTime frame
Percentages of patients achieving HBV DNA< 300copies/mL at week 144 in each groupWeek 144

Secondary

MeasureTime frame
Percentages of patients achieving HBV DNA <300copies/mL at week 48/96 in each group.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 48/96/144Week 48 & 96 & 144

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 16, 2026