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Effect of vitamin D supplementation on pegylated interferon/ribavirin/simeprevir therapy for chronic hepatitis C genotype 1b: Pilot Study

Effect of vitamin D supplementation on pegylated interferon/ribavirin/simeprevir therapy for chronic hepatitis C genotype 1b: Pilot Study - Triple therapy + vitamin D

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000012666
Enrollment
30
Registered
2013-12-24
Start date
2013-12-01
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

Chronic hepatitis C

Interventions

peginterferon alfa-2b, ribavirin and simeprevir plus vitamin D(prior to triple therapy) peginterferon alfa-2b, ribavirin and simeprevir plus vitamin D(concurrent with triple therapy) peginterferon alf

Sponsors

Hiroshima liver study group
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Genotype 1 and high virus load(5logIU/ml < or =)

Exclusion criteria

Exclusion criteria: 1) Patients receiving shosaiko-to 2) Autoimmune hepatitis 3) History of hypersensitivity to PEG-IFN alpha-2b and simeprevir 4) History of hypersensitivity to biological products such as vaccine 5) Decompenstated liver cirrhosis 6) HCC, malignat tumor 7) With or with a history of severe psychosis such as severe depression, suicidal ideation or attempt, etc. 8) Pregnant or lactating women and women who may be pregnant 9) Judged by investigator not to be appropriate for inclusion in this study

Design outcomes

Primary

MeasureTime frame
virologic response at 4weeks

Secondary

MeasureTime frame
virologic response at2,8,12,24 weeks Safety ( moniterd clinical and laboratory evaluation)

Countries

Japan

Contacts

Public ContactYoshiiku Kawakami

graduate school of biomedical science, Hiroshima university. Department and medicine and molecular science

kamy4419@hiroshima-u.ac.jp082-257-5190

Outcome results

None listed

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