The Effect of High Dose Vitamin C on the Liver Function in Chronic Hepatitis Patients
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 |
---|---|---|
|
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
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:
|
Outcome Measures
Primary Outcome Measures
- 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
- 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
Inclusion Criteria:
- 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
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.- VitC
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
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
|
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
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 |
yoonjh@snu.ac.kr |
- VitC