Skip to content

A randomized, controlled study comparing the efficacy of peginterferon alfa-2b plus standard or reduced dose ribavirin in serotype 2 chronic hepatitis C

A randomized, controlled study comparing the efficacy of peginterferon alfa-2b plus standard or reduced dose ribavirin in serotype 2 chronic hepatitis C - Shonan-Tokai Interferon Research for Serogroup 2 (STIRS2)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-C000000402
Enrollment
120
Registered
2006-04-17
Start date
2006-04-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

serotype 2 chronic hepatitis C

Interventions

PEG-IFN alpha-2b (1.5ug/kg) + reduced dose ribavirin (400-800 mg) PEG-IFN alpha-2b (1.5ug/kg) + standard dose ribavirin (600-1,000mg)

Sponsors

Tokai University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) genotype 2 chronic hepatitis C (2) patients with viral loads of 100 KIU/mL or more, or patients who did not respond to IFN monotherapy (3) patients satisfying below criteria within 30 days before entry (3-1) leukocyte count with 4000/mm3 or greater (3-2) neutrophil count with 1500/mm3 or greater (3-3) platelet count with 100000/mm3 or greater (3-4) hemoglobin level with 12.0 g/dl or greater

Exclusion criteria

Exclusion criteria: (1) pregnant women (2) patients allergic to ribavirin or IFN (3) patients with uncontrolled heart diseases (4) patients with abnormal hemoglobin (5) patients with chronic renal diseases (6) patients with severe depression or mental illness (7) patinets with liver cirrhosis or liver failure (8) patients who can not discontinue other antiviral or immunomodulating drugs

Design outcomes

Primary

MeasureTime frame
sustained viral response (negative HCV-RNA 24 weeks after the end of treatment)

Secondary

MeasureTime frame
(1) percentage of patients in whom drug dose is reduced or treatment is discontinued (2) change in Hgb levels

Countries

Japan

Contacts

Public ContactKagawa, Tatehiro

Tokai University School of Medicine Gastroenterology

kagawa@is.icc.u-tokai.ac.jp0463-93-1121

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026