A randomized controlled open-label clinical trial of ursodeoxycholic acid combined with total glucosides of paeony in the treatment of PBC with AIH features 1

Inclusion Criteria:

1. Patients aged 18-75 years;
2. The diagnosis of PBC is clear and does not meet the Paris criteria for diagnosing PBC overlap AIH, but it needs to meet 1.0xULN < ALT ≤ 3.0xULN or 1.0xULN < AST ≤ 3.0xULN or 1.0xULN < IgG ≤ 1.3xULN, and liver pathological biopsy excludes moderate or higher interface inflammation;
3. Agreed to participate in the trial, and assigned informed consent.

Exclusion Criteria:

1. The presence of hepatitis A, B, C, D, or E virus infection;
2. Patients with presence of cirrhosis;
3. Patients with presence of fulminant liver failure;
4. Liver damage caused by other reasons: such as primary sclerosing cholangitis, non-alcoholic steatohepatitis, drug induced liver disease or Wilson's disease;
5. Pregnant and breeding women and women of childbearing age in need of reproduction;
6. Severe disorders of other vital organs, such as severe heart failure, cancer;
7. Parenteral administration of blood or blood products within 6 months before screening;
8. Recent treatment with drugs having known liver toxicity;
9. Taken part in other clinic trials within 6 months before enrollment.