Lack of funding

The purpose of this study is to determine if the combination of ursodeoxycholic acid (UDCA) and fenofibrate is more effective than UDCA alone in the treatment of primary biliary cirrhosis.

Inclusion Criteria:

1. Age ≥ 21 and ≤ 75 years old
2. Established diagnosis of PBC and positive AMA
3. Previous treatment with UDCA 13-15 mg/kg/day for at least 1 year
4. Incomplete response to UDCA defined as serum ALP ≥ 2 times the upper limit of normal on two separate measurements despite at least 1 year of therapy with UDCA
5. Female patients of childbearing age need a negative pregnancy test performed within 7 days of enrollment, and need to be on adequate contraception throughout the study period
6. Signed informed consent after careful review of information and study details

Exclusion Criteria:

1. Hypersensitivity to fenofibrate
2. Administration of the following drugs at any time during the 3 months prior to screening for the study: methotrexate, colchicines, azathioprine, systemic steroids.
3. Prisoners and institutionalized subjects, pregnant or nursing women
4. Anticipated need for liver transplantation within one year (estimated 1-year survival <80% as predicted by the Mayo risk score).
5. Recipients of liver transplantation
6. Recurrent variceal hemorrhage, uncontrolled encephalopathy or refractory ascites
7. Co-existing liver diseases such as acute or chronic viral hepatitis, alcoholic liver disease, choledocholithiasis, autoimmune hepatitis, biopsy-proven non-alcoholic fatty liver disease, Wilson's disease and hemochromatosis
8. Acute or chronic renal failure, defined as GFR < 60 ml/min
9. Known history of cholecystitis with intact gallbladder
10. History of, or known high risk for, venous thromboembolism
11. Current use of warfarin or statins