The Effect of High Dose Vitamin C on the Liver Function in Chronic Hepatitis Patients
Phase 4 Study of High Dose Vitamin C in Chronic Hepatitis Patients
1 other identifier
interventional
10
1 country
1
Brief Summary
The investigators will evaluate the efficacy of high dose vitamin C in chronic hepatitis patients whose serum liver enzymes are elevated more than upper limit.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_4
Started Aug 2011
Typical duration for phase_4
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
August 1, 2011
CompletedFirst Submitted
Initial submission to the registry
August 9, 2011
CompletedFirst Posted
Study publicly available on registry
August 10, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2014
CompletedResults Posted
Study results publicly available
July 15, 2016
CompletedJuly 15, 2016
June 1, 2016
2.3 years
August 9, 2011
May 20, 2015
June 6, 2016
Conditions
Outcome Measures
Primary Outcomes (1)
The Change in Serum Alanine Aminotransferase Level From Baseline to 12 Weeks
Serum alanine aminotransferase (ALT) level after 12 weeks of high dose vitamin C administration and Baseline serum ALT level
Baseline and 12 weeks
Secondary Outcomes (1)
The Change in Serum Interleukin 22 Level From Baseline to 12 Weeks
Baseline and 12 weeks
Study Arms (1)
HD Vitamin C
EXPERIMENTALHigh dose vitamin C
Interventions
Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
Eligibility Criteria
You may qualify if:
- Chronic hepatitis C patients
- positive anti-HCV antibody more than 6 months
- serum alanine aminotransferase 40 - 80 IU/L for more than 6 months
- not indicated for antiviral therapy with interferon and ribavirin
- Chronic alcoholic hepatitis
- significant alcohol drinking history and no other cause of chronic hepatitis
- serum alanine aminotransferase 40 - 80 IU/L for more than 6 months
You may not qualify if:
- Chronic hepatitis B, autoimmune hepatitis, primary biliary cirrhosis, Wilson's disease, hemochromatosis, other chronic hepatitis except chronic hepatitis C or alcoholic hepatitis
- decompensated liver cirrhosis
- platelet \< 50,000/uL or white blood cell \< 1,500/uL
- need and willing for antiviral therapy
- significant renal dysfunction (GFR \< 30 mL/min/kg) or history of renal stone
- hepatotonic drug (i.e. silymarin, garlic oil, aronamin gold) usage within 2 weeks
- pregnancy, lactating woman
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Seoul National University Hospital
Seoul, 110-171, South Korea
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Jung-Hwan Yoon
- Organization
- Seoul National University Hospital
Study Officials
- STUDY DIRECTOR
Jung-Hwan Yoon, M.D, Ph.D
Seoul National University Hospital
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
August 9, 2011
First Posted
August 10, 2011
Study Start
August 1, 2011
Primary Completion
December 1, 2013
Study Completion
December 1, 2014
Last Updated
July 15, 2016
Results First Posted
July 15, 2016
Record last verified: 2016-06