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Efficacy and Safety Study of Ursodeoxycholic Acid to Treat Chronic Hepatitis C

This study has been completed.
Study NCT00200343.   Last updated on September 12, 2005.   Information provided by Mitsubishi Tanabe Pharma Corporation

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Descriptive Information Fields
Brief Title  Efficacy and Safety Study of Ursodeoxycholic Acid to Treat Chronic Hepatitis C
Official Title  A 24-Week Multicenter Double-Blind Control Trial With Ursodeoxycholic Acid in Patients With Chronic Hepatitis C
Brief Summary

This study is a 24-week multicenter, randomized, double-blind control trial with ursodeoxycholic acid (UDCA) in patients with chronic hepatitis C in Japan. The primary objectives of this study are to verify the superiority of efficacy of UDCA 600 or 900mg/day to that of 150mg/day and the safety of UDCA treatment.

Detailed Description

This study is a 24-week multicenter, randomized, double-blind control trial with ursodeoxycholic acid (UDCA) in patients with chronic hepatitis C in Japan. The primary objectives of this study are to verify the superiority of efficacy of UDCA 600 or 900mg/day to that of 150mg/day and the safety of UDCA treatment. The primary endpoint was percent changes of serum alanine aminotransferase(ALT) levels at 24-week of administration compared to pre-administration levels and secondary endpoints, serum aspartate aminotransferase(AST) and gamma-glutamyltranspeptidase(gamma-GTP) levels. Further, changes of bile acid composition and HCV-RNA levels at 24-week of administration were examined.

Study Phase
Study Type  Interventional
Study Design  Treatment, Randomized, Double-Blind, Dose Comparison, Parallel Assignment, Safety/Efficacy Study
Primary Outcome Measure  serum alanine aminotransferase levels at 24-week of treatment
Secondary Outcome Measure  serum aspartate aminotransferase and gamma-glutamyltranspeptidase) levels at 24-week of treatment
Condition  Chronic Hepatitis C
Intervention  Drug: Ursodeoxycholic acid
MEDLINE PMIDs
Links
Recruitment Information Fields
Recruitment Status  Completed
Enrollment  600
Start Date  July 2002
Completion Date December 2004
Eligibility Criteria 

Inclusion Criteria:

  1. Subject must have a clinical diagnosis to apply the conservative medication for chronic hepatitis C.
  2. Serum alanine aminotransferase levels measured at 4-week before the initiation of treatment must be over 61 IU/mL.
  3. Subject's age must be 20 years or older.

Exclusion Criteria:

  1. Subject who received a treatment of antiviral agents (interferon) within 20 weeks before the start of 8-week observation period
  2. Subject who received a treatment of corticosteroids, immunosuppressive drugs, glycyrrhizic acid, cholestyramine or other drugs which could interfere with hepatic function during 8-week observation period.
  3. Subject with decompensated cirrhosis
  4. Subject infecting with other hepatic virus
  5. Subject receiving a treatment for autoimmune disease, alcohol or drug-induced hepatic disorder, neoplasia, hepato-cholangiolar disease, fulminant hepatitis or peptic ulcer
  6. Subject who require hospitalization for complications of the heart, kidney or pancreas
  7. Pregnancy
  8. Alcoholics
  9. Alcohol intake more than 27 ml/day
  10. Subject who involved in other clinical trial within 4 weeks before the start of observation period
  11. Subject with a history of sensitivity to ursodeoxycholic acid or bile acid-products
Gender Both
Ages 20 Years and older
Accepts Healthy Volunteers No
Contacts ††
Location Countries  Japan
Administrative Information Fields
NCT ID  NCT00200343
Organization ID MT711-01
Secondary IDs ††
Study Sponsor  Mitsubishi Tanabe Pharma Corporation
Collaborators ††
Investigators 
Study Chair:     Masao Omata, MD     Department of Gastroenterology, University of Tokyo    
Information Provided By Mitsubishi Tanabe Pharma Corporation
Verification Date September 2005
First Received Date  September 12, 2005
Last Updated Date September 12, 2005

 †    Required WHO trial registration data element.
††   WHO trial registration data element that is required only if it exists.




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