A Follow-Up Study of Patients With HBeAg Positive Chronic Hepatitis B Treated With Pegasys (Peginterferon Alfa-2a) in Study ML22265

This study has been completed.
Information provided by (Responsible Party):
Hoffmann-La Roche
ClinicalTrials.gov Identifier:
First received: July 18, 2012
Last updated: April 7, 2014
Last verified: April 2014

This multicenter, prospective, observational study will evaluate the one-year outcomes in HBeAg positive chronic hepatitis B patients who had received Pegasys (peginterferon alfa-2a) in Arm A of study ML22265. Data will be collected from each patient for up to one year post-therapy.

Hepatitis B, Chronic

Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: A Follow-up Study to Evaluate the One-year Post Treatment Effects of Peginterferon Alfa-2a (PEGASYS) in Patients With HBeAg Positive Chronic Hepatitis B From the Original Study ML 22265

Resource links provided by NLM:

Further study details as provided by Hoffmann-La Roche:

Primary Outcome Measures:
  • Duration of response (HBeAg seroconversion/HBV DNA reduction/HBsAg loss/seroconversion) after end of treatment [ Time Frame: 1 year ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Correlation of duration of response with on-treatment response (HBeAg/HBV DNA/HBsAg/ALT) [ Time Frame: 1 year ] [ Designated as safety issue: No ]

Enrollment: 65
Study Start Date: April 2011
Study Completion Date: October 2012
Primary Completion Date: October 2012 (Final data collection date for primary outcome measure)


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Probability Sample
Study Population

Patients who received treatment and completed follow-up in study arm "A" of study ML22265


Inclusion Criteria:

  • Patients who were randomized to study Arm A of ML22265 and were treated and completed follow-up in the study, regardless of treatment response at any time point

Exclusion Criteria:

  • Patients unwilling to provide informed consent or abide by the requirements of the study
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01645969

Fu Zhou, China, 350005
Guangzhou, China, 510515
Hunan, China, 410008
Wuhan, China, 430030
Xi'an, China, 710038
Sponsors and Collaborators
Hoffmann-La Roche
Study Director: Clinical Trials Hoffmann-La Roche
  More Information

No publications provided

Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT01645969     History of Changes
Other Study ID Numbers: ML25647
Study First Received: July 18, 2012
Last Updated: April 7, 2014
Health Authority: China: Food and Drug Administration

Additional relevant MeSH terms:
Hepatitis A
Hepatitis B
Hepatitis, Chronic
Hepatitis B, Chronic
Liver Diseases
Digestive System Diseases
Hepatitis, Viral, Human
Virus Diseases
Enterovirus Infections
Picornaviridae Infections
RNA Virus Infections
Hepadnaviridae Infections
DNA Virus Infections
Peginterferon alfa-2a
Antiviral Agents
Anti-Infective Agents
Therapeutic Uses
Pharmacologic Actions
Immunologic Factors
Physiological Effects of Drugs

ClinicalTrials.gov processed this record on April 17, 2014