A Pilot Study of Xifaxan to Treat Patients With PSC

Completed · Phase 1

Conditions studied: Primary Sclerosing Cholangitis (PSC)

In brief

In the current protocol, we propose the assessment of potential beneficial effects of the antibiotic Xifaxan on liver biochemistries, liver related symptoms and Mayo risk score in 15 adult and 5 pediatric patients with PSC. Adult patients will receive Xifaxan, 550 mg twice daily over a 12-week period. Pediatric patients with PSC whose weight is greater than or equal to 40 kg will receive Xifaxan, 550 mg twice daily.

Key facts

Study ID

NCT01695174

Run by

Mayo Clinic

People needed

16

Starts

2012-08-01

Expected to finish

2014-03-01

Last updated by the study team

2014-10-15

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Diagnosis of PSC established by all of the following criteria:
• Alkaline phosphatase >1.5 times upper limit of normal for at least 6 months duration
• Gamma-glutamyl transferase (GGT) >1.5 times upper limit of normal in pediatric patients
• Cholangiography demonstrating intrahepatic and/or extrahepatic biliary obstruction, beading, or narrowing consistent with PSC
• Liver histology in the past (if available for review) with features consistent with or diagnostic of PSC
• Both genders
• Adults: Ages 18-75 years.
• Pediatric: Weight > 40 kg
• Patient's informed consent for study participation

You may not qualify if…

• Treatment with systematic antibiotics, Azulfidine, ursodeoxycholic acid, corticosteroids, colchicine, methotrexate, azathioprine, cyclosporine, chlorambucil, budesonide, pentoxifylline, tacrolimus, vitamin E or prednisone in the preceding three months
• Active drug or alcohol use
• Prior history of allergic reaction to the antibiotics which will be used in the study
• Any condition that, in the opinion of the investigator, would interfere with the patient's ability to complete the study safely or successfully
• Evidence of decompensated liver disease such as recurrent variceal bleeding, refractory ascites or spontaneous hepatic encephalopathy
• Anticipated need for transplantation in one year (Mayo survival model <80% one-year survival without transplant)
• Findings highly suggestive of liver disease of other etiology such as chronic alcoholic liver disease, chronic hepatitis B or C infection, hemochromatosis, Wilson's disease, 1-antitrypsin deficiency, non-alcoholic steatohepatitis, primary biliary cirrhosis or secondary sclerosing cholangitis
• Treatment with any study medications in the preceding three months
• Pregnancy or current lactation; subjects becoming pregnant during the study despite all the precautions will be withdrawn and referred to their primary physicians

Where it is running

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

Full record on ClinicalTrials.gov

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