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Aliment Pharmacol Ther. 2011 Nov;34(10):1185-92. doi: 10.1111/j.1365-2036.2011.04863.x. Epub 2011 Sep 29.

High-dose ursodeoxycholic acid increases risk of adverse outcomes in patients with early stage primary sclerosing cholangitis.

Author information

1
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA. imam.mohamad@mayo.edu

Abstract

BACKGROUND:

Ursodeoxycholic acid (UDCA) in a dose of 28-30 mg/kg/day increases the likelihood of clinical deterioration of primary sclerosing cholangitis (PSC) patients.

AIM:

To compare the risk of adverse clinical endpoints in patients with varying disease status.

METHODS:

We reviewed records from patients previously enrolled in a study evaluating the effects of high dose (28-30 mg/kg/day) UDCA in PSC. Patients were grouped according to treatment (UDCA vs. placebo) and baseline disease status (histological stage of PSC, total serum bilirubin). Development of clinical endpoints including death, liver transplantation, cirrhosis, oesophageal varices and cholangiocarcinoma was sought.

RESULTS:

A total of 150 patients were included of whom 49 patients developed endpoints. There was an increased development of endpoints among patients using UDCA vs. placebo (14 vs. 4, P=0.0151) with early histological disease (stage 1-2, n=88) but not with late stage (stage 3-4, n=62) disease (17 vs. 14, P=0.2031). Occurrence of clinical endpoints was also higher in patients receiving UDCA vs. placebo (16 vs. 2, P=0.0008) with normal bilirubin levels (total bilirubin ≤1.0 mg/dL) but not in patients with elevated bilirubin levels (15 vs. 16, P=0.6018). Among patients not reaching endpoints 31.7% had normalisation of their alkaline phosphatase levels when compared to 14.3% in patients who reached endpoints (P=0.073).

CONCLUSION:

The increased risk of adverse events with UDCA treatment when compared with placebo is only apparent in patients with early histological stage disease or normal total bilirubin.

Comment in

PMID:
21957881
PMCID:
PMC3752281
DOI:
10.1111/j.1365-2036.2011.04863.x
[Indexed for MEDLINE]
Free PMC Article

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