The Effect of High Dose Vitamin C on the Liver Function in Chronic Hepatitis Patients

Sponsor
Seoul National University Hospital (Other)
Overall Status
Completed
CT.gov ID
NCT01413360
Collaborator
(none)
10
1
1
40
0.2

Study Details

Study Description

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.

Condition or Disease Intervention/Treatment Phase
  • Drug: High dose vitamin C
Phase 4

Detailed Description

The changes of laboratory findings including serum transaminase levels, serum albumin levels, Child-Pugh score, MELD score, and APRI score will be evaluated.

Study Design

Study Type:
Interventional
Actual Enrollment :
10 participants
Allocation:
N/A
Intervention Model:
Single Group Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
Phase 4 Study of High Dose Vitamin C in Chronic Hepatitis Patients
Study Start Date :
Aug 1, 2011
Actual Primary Completion Date :
Dec 1, 2013
Actual Study Completion Date :
Dec 1, 2014

Arms and Interventions

Arm Intervention/Treatment
Experimental: HD Vitamin C

High dose vitamin C

Drug: High dose vitamin C
Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
Other Names:
  • Koreaeundan Vitamin C 1000
  • Outcome Measures

    Primary Outcome Measures

    1. The Change in Serum Alanine Aminotransferase Level From Baseline to 12 Weeks [Baseline and 12 weeks]

      Serum alanine aminotransferase (ALT) level after 12 weeks of high dose vitamin C administration and Baseline serum ALT level

    Secondary Outcome Measures

    1. The Change in Serum Interleukin 22 Level From Baseline to 12 Weeks [Baseline and 12 weeks]

      Serum interleukin 22(IL-22)level after 12 weeks of high vitamin C administration and Baseline IL-22 level

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    18 Years to 80 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    1. 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

    1. 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

    Exclusion Criteria:
    • 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

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Seoul National University Hospital Seoul Korea, Republic of 110-171

    Sponsors and Collaborators

    • Seoul National University Hospital

    Investigators

    • Study Director: Jung-Hwan Yoon, M.D, Ph.D, Seoul National University Hospital

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Jung-Hwan Yoon, Professor, Seoul National University Hospital
    ClinicalTrials.gov Identifier:
    NCT01413360
    Other Study ID Numbers:
    • VitC
    First Posted:
    Aug 10, 2011
    Last Update Posted:
    Jul 15, 2016
    Last Verified:
    Jun 1, 2016

    Study Results

    Participant Flow

    Recruitment Details
    Pre-assignment Detail
    Arm/Group Title HD Vitamin C
    Arm/Group Description High dose vitamin C High dose vitamin C: Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
    Period Title: Overall Study
    STARTED 10
    COMPLETED 7
    NOT COMPLETED 3

    Baseline Characteristics

    Arm/Group Title HD Vitamin C
    Arm/Group Description High dose vitamin C High dose vitamin C: Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
    Overall Participants 10
    Age (years) [Median (Full Range) ]
    Median (Full Range) [years]
    62
    Sex: Female, Male (Count of Participants)
    Female
    4
    40%
    Male
    6
    60%
    Region of Enrollment (participants) [Number]
    Korea, Republic of
    10
    100%
    Etiology (participants) [Number]
    HCV
    7
    70%
    Alcohol
    3
    30%
    ALT (IU/L) [Median (Full Range) ]
    Median (Full Range) [IU/L]
    65

    Outcome Measures

    1. Primary Outcome
    Title The Change in Serum Alanine Aminotransferase Level From Baseline to 12 Weeks
    Description Serum alanine aminotransferase (ALT) level after 12 weeks of high dose vitamin C administration and Baseline serum ALT level
    Time Frame Baseline and 12 weeks

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title HD Vitamin C
    Arm/Group Description High dose vitamin C High dose vitamin C: Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
    Measure Participants 7
    ALT baseline
    77.5
    ALT 12 weeks
    105.5
    2. Secondary Outcome
    Title The Change in Serum Interleukin 22 Level From Baseline to 12 Weeks
    Description Serum interleukin 22(IL-22)level after 12 weeks of high vitamin C administration and Baseline IL-22 level
    Time Frame Baseline and 12 weeks

    Outcome Measure Data

    Analysis Population Description
    [Not Specified]
    Arm/Group Title HD Vitamin C
    Arm/Group Description High dose vitamin C High dose vitamin C: Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
    Measure Participants 7
    IL-22 baseline
    3.66
    IL-22 after 12 weeks
    4.04

    Adverse Events

    Time Frame
    Adverse Event Reporting Description
    Arm/Group Title HD Vitamin C
    Arm/Group Description High dose vitamin C High dose vitamin C: Vitamin C, 3g per day (tid), with meal, per oral with water 100mL
    All Cause Mortality
    HD Vitamin C
    Affected / at Risk (%) # Events
    Total / (NaN)
    Serious Adverse Events
    HD Vitamin C
    Affected / at Risk (%) # Events
    Total 0/10 (0%)
    Other (Not Including Serious) Adverse Events
    HD Vitamin C
    Affected / at Risk (%) # Events
    Total 1/10 (10%)
    Gastrointestinal disorders
    Dyspepsia 1/10 (10%)

    Limitations/Caveats

    [Not Specified]

    More Information

    Certain Agreements

    Principal Investigators are NOT employed by the organization sponsoring the study.

    There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.

    Results Point of Contact

    Name/Title Jung-Hwan Yoon
    Organization Seoul National University Hospital
    Phone +82-2-2072-2228
    Email yoonjh@snu.ac.kr
    Responsible Party:
    Jung-Hwan Yoon, Professor, Seoul National University Hospital
    ClinicalTrials.gov Identifier:
    NCT01413360
    Other Study ID Numbers:
    • VitC
    First Posted:
    Aug 10, 2011
    Last Update Posted:
    Jul 15, 2016
    Last Verified:
    Jun 1, 2016