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A Study Evaluating IL28B Polymorphism in Patients With HBeAg-Negative Chronic Hepatitis B Treated With Pegasys (Peginterferon Alfa-2a) in Study ML18253

Phase 3
Completed
Conditions
Hepatitis B, Chronic
Interventions
Other: Interleukin 28B testing
Registration Number
NCT01697501
Lead Sponsor
Hoffmann-La Roche
Brief Summary

This cross-sectional multicenter study will evaluate the IL28B polymorphism in patients with HBeAg-negative chronic hepatitis B treated with Pegasys (peginterferon alfa-2a) in the predecessor ML18253 study. The study consists of a single visit where eligible patients will undergo a blood test for IL28B genotyping, with a phone follow-up 7 days after the visit.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
88
Inclusion Criteria
  • Adult patients, >/= 18 years of age
  • Chronic hepatitis B
  • Previous participation in study ML18253
  • Administration of at least one dose of the study drug during ML18253 study
Exclusion Criteria
  • Patients not satisfying the above inclusion criteria will not be enrolled in the study

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Chronic hepatitis B patientsInterleukin 28B testing-
Primary Outcome Measures
NameTimeMethod
Percentage of Participants With Sustained Viral Response (SVR) Defined as HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs12979860 at End of Follow-up (EoF)EoF, as defined in the predecessor study, was at 48 weeks after the end of treatment.
Percentage of Participants With SVR Defined as HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs8099917 at EoFEoF
Secondary Outcome Measures
NameTimeMethod
Percentage of Participants With HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs12979860 at End of Treatment (EoT)EoT, as defined in the predecessor study, was at Week 48 or Week 96
Percentage of Participants With HBV DNA ≤ 2000 IU/ml at IL28B Genotype rs8099917 at EoTEoT
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs12979860 at EoT and EoFEoT and EoF
Percentage of Participants With HBsAg < 0.05 IU/ml at IL28B Genotype rs8099917 at EoT and EoFEoT and EoF
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs12979860 at EoT and EoFEoT and EoF
Percentage of Participants With HBsAg ≤ 10 IU/ml at IL28B Genotype rs8099917 at EoT and EoFEoT and EoF

Trial Locations

Locations (12)

Fondazione IRCCS Ospedale Maggiore Policlinico; Gastroenterologia

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Milano, Lombardia, Italy

Azienda Ospedaliera Policlinico Consorziale di Bari; Clinica Malattie Infettive

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Bari, Puglia, Italy

Uni Di Cagliari; Dept. Di Scienze Mediche

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Cagliari, Sardegna, Italy

Az. Osp. Uni Ria Di Parma; Gastro-Enterology

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Parma, Emilia-Romagna, Italy

Az. Osp. Cardarelli; Unita Operativa A Struttura Complessa Di Epatologia

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Napoli, Campania, Italy

Ospedale Maggiore Policlinico; Iii Divisione Medicina Generale

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Milano, Lombardia, Italy

UNI DEGLI STUDI - POLICLINICA S. ORSOLA; Dipartimento Malattie dell'Apparato Digerente e Medicina In

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Bologna, Emilia-Romagna, Italy

Az. Osp. Di Padova; Dipart. Scienze Chirurgiche E Gastroent.

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Padova, Veneto, Italy

Ospedale de Bellis; Reparto Medicina Generale

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Castellana Grotte, Puglia, Italy

Istituto Di Clinica Medica 1 A; Divisione Di Medicina Generale E Gastroenterologia

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Palermo, Sicilia, Italy

Ospedale Cisanello - Az. Osp. Pisana; Unità Operativa Di Gastroenterologia Ed Epatologia

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Pisa, Toscana, Italy

Az. Osp. S. Sebastiano; Divisione Malattie Infettive

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Caserta, Campania, Italy

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