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Trial of High-dose Urso in Primary Sclerosing Cholangitis

National Institutes of Health (NIH) logo

National Institutes of Health (NIH)

Status and phase

Terminated
Phase 3
Phase 2

Conditions

Primary Sclerosing Cholangitis

Treatments

Drug: Placebo
Drug: Ursodeoxycholic Acid

Study type

Interventional

Funder types

NIH

Identifiers

NCT00059202
URSO (completed)
R01DK056924 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

This is a multicenter, randomized, controlled trial of high dose ursodiol versus placebo for patients with primary sclerosing cholangitis (PSC). The average duration of follow-up will be approximately five years with important clinical endpoints such as death, eligibility for liver transplantation, changes in histology and cholangiogram as well as liver biochemistries and quality of life data collected.

Enrollment

150 patients

Sex

All

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

  • Chronic cholestatic disease of at least six months' duration.
  • Serum alkaline phosphatase at least 1 ½ times the upper limits of normal.
  • Retrograde, operative, percutaneous, or magnetic resonance cholangiography demonstrating intrahepatic and/or extrahepatic biliary duct obstruction, beading, or narrowing consistent with PSC within one year of the study entry.
  • Liver biopsy in the previous one year which is available for review and compatible with the diagnosis of PSC. Compatible biopsy features include fibrous cholangitis, ductopenia with periportal inflammation and biliary fibrosis.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

150 participants in 2 patient groups, including a placebo group

Placebo
Placebo Comparator group
Description:
Placebo tablet that is identical (size, color, etc) to experimental ursodeoxycholic acid tablet.
Treatment:
Drug: Placebo
Ursodeoxycholic acid
Experimental group
Description:
Ursodeoxycholic acid 28-30 mg/kg/day
Treatment:
Drug: Ursodeoxycholic Acid

Trial contacts and locations

7

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Data sourced from clinicaltrials.gov

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