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09 Gastroenterology

Primary Sclerosing Cholangitis                                                                                                                        

Combined Rx with Azathioprine, Prednisolone, and Ursodiol in Patients with Primary Sclerosing Cholangitis
Annals of Internal Medicine, 21 December 1999. -   Christoph Schramm   (Mainz, Germany)
Background: No established medical therapy alters the progressive course of primary sclerosing cholangitis.
Objective: To explore the potential usefulness of combined therapy with azathioprine, steroids and ursodeoxycholic acid (UDCA) in primary sclerosing cholangitis.
Patients: 15 patients with primary sclerosing cholangitis.


  • Azathioprine (1 to 1.5 mg/kg of body weight per day),
  • Prednisolone (1 mg/kg per day initially, tapering to 5 to 10 mg per day) and
  • UDCA (500 to 750 mg per day).

Measurements: Clinical and laboratory evaluation, liver biopsy, and endoscopic retrograde cholangiography (a >30% change in stenosis was considered significant).

Results: After a median observation period of 41 months (range, 3 to 81 months), liver enzyme levels declined significantly in all patients. Six of 10 patients with follow-up liver biopsies showed histologic improvement. Significant radiographic deterioration was seen in only 1 of 10 patients who had endoscopic retrograde cholangiography. In 7 patients previously treated with UDCA alone, liver enzyme levels declined significantly only after immunosuppressive therapy was added. Adverse drug reactions led to the withdrawal of study medications in 2 patients.

Conclusions: Combined immunosuppressive therapy may alter the progression of primary sclerosing cholangitis. Our observations suggest a benefit from adding immunosuppressive drugs to UDCA therapy. A randomized trial is warranted.