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A Study of 48 Versus 96 Weeks of Peginterferon Alfa-2a [Pegasys] Treatment, With or Without Entecavir, in Patients With Chronic Hepatitis B.

Information source: Hoffmann-La Roche
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Hepatitis B, Chronic

Intervention: entecavir (Drug); peginterferon alfa-2a [Pegasys] (Drug); peginterferon alfa-2a [Pegasys] (Drug); placebo (Drug)

Phase: Phase 4

Status: Withdrawn

Sponsored by: Hoffmann-La Roche

Official(s) and/or principal investigator(s):
Clinical Trials, Study Director, Affiliation: Hoffmann-La Roche


This randomized, 2 x 2 factorial, parrallel group study will compare the efficacy and safety of 48 versus 96 weeks of peginterferon alfa-2a [Pegasys], with or without entecavir, in patients with HbeAg negative chronic hepatitis B. Patients will be randomly allocated to receive Pegasys (180mcg subcutaneously weekly) for 48 weeks plus placebo (group A) or entecavir (0,5mg orally daily, group B) during weeks 12-36, or Pegasys (180mcg subcutaneously weekly) for 96 weeks plus placebo (group C) or entecavir (group D) during weeks 12-36. Anticipated time on study treatment is 48 or 96 weeks, with a follow-up of 48 weeks. Target sample size is <500 patients.

Clinical Details

Official title: A Phase IV, 2x2 Factorial, Double Blind Study of 48 Versus 96 Weeks of PEGASYS 180g, With or Without 24 Weeks of Entecavir in Adult Patients With HBeAg Negative Chronic Hepatitis B.

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Factorial Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Primary outcome: Efficacy: HBV-DNA reduction to <10,000 copies/ml (<2,000 IU/ml)

Secondary outcome: Correlation early HBsAg response - response end of treatment/follow-up


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria:

- adult patients, >/= 18 years of age

- chronic hepatitis B for >/= 6 months

- HBeAg negative at screening

- adequate renal function

Exclusion Criteria:

- antiviral therapy for chronic hepatitis B within the previous 6 months

- hepatitis A, C, D or HIV infection

- treatment with systemic acyclovir or famciclovir within the previous 6 months

- decompensated liver disease (Childs B-C)

- history or evidence of a medical condition associated with chronic liver disease

Locations and Contacts

Additional Information

Last updated: August 17, 2015

Page last updated: August 23, 2015

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