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J Hepatol. 1998 Sep;29(3):417-23.

Ursodeoxycholic acid therapy for primary sclerosing cholangitis: results of a 2-year randomized controlled trial to evaluate single versus multiple daily doses.

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  • 1Erasmus University Hospital Rotterdam, The Netherlands.

Abstract

BACKGROUND/AIMS:

Ursodeoxycholic acid has been reported to be of potential benefit for primary sclerosing cholangitis but little is known about the long-term biochemical, histological and radiological efficacy or the optimum frequency of ursodeoxycholic acid administration.

METHODS:

A 2-year multicentre randomised controlled trial was initiated to assess the effects of ursodeoxycholic acid (10 mg kg(-1).d(-1), given in either single or multiple daily doses, on symptoms, serum liver tests, cholangiographic and histological findings and the occurrence of treatment failure. Liver biopsies were taken and endoscopic retrograde cholangiography was performed at entry and after 2 years; follow-up examinations were at 3-month intervals. Treatment failure was defined as death, liver transplantation, 4-fold increase in serum bilirubin, variceal bleeding, de novo ascites or cholangitis. Actuarial survival was compared with predicted survival using the revised Mayo natural history model for primary sclerosing cholangitis.

RESULTS:

Forty-eight patients were enrolled. In one case, ursodeoxycholic acid had to be discontinued because of gastro-intestinal complaints. No other side-effects were observed. After 2 years of follow-up, treatment was not associated with a beneficial effect on either symptoms or liver histology. Serum liver tests (alkaline phosphatase, y-glutamyl transferase, aspartate aminotransferase) improved significantly in both groups, while serum bilirubin (which was near normal at entry) and IgG remained stable. No major changes in radiographic bile duct appearance seemed to be present. After 2 years, actuarial survival was 91% (95 CI 83%-99%), which is comparable to the predicted 97% survival rate. Treatment failure occurred in 15% of cases. No significant differences in any of the study endpoints (symptoms, serum liver tests, cholangiographic findings, histology, disease progression) were found between the two groups.

CONCLUSIONS:

Ursodeoxycholic acid is well tolerated in primary sclerosing cholangitis. Significant effects on biochemical parameters were found and symptoms, bilirubin and histology did not deteriorate. No advantage of a multiple daily dose over a single dose was observed.

PMID:
9764988
[PubMed - indexed for MEDLINE]
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