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[Treatment and prognosis of immunoglobulin G4-related hepatobiliary disease].

Currently, there is no randomized controlled clinical trial of immunoglobulin (Ig) G4-related diseases in the world. Therefore, the best-known evidence-based medical treatment plan for this disorder is unavailable. The goal of IgG4-related hepatobiliary diseases treatment is to alleviate symptoms, prevent disease-related complications and fibrosis progression. A definite diagnosis is warranted before treatment. Hormonal therapy has become the basis of induction of remission in IgG4-related hepatobiliary disease. An initial prednisone dose is 30 ~ 40mg/d or 0.6 mg.kg-1.d-1 for 2 to 4 weeks, thereafter, gradually the dose is reduced within 2-3 months. Maintenance therapy with low-dose glucocorticoids hormone (prednisone 2.5 to 5.0 mg/d) is recommended for 1 to 3 years to prevent disease recurrence. In addition, immunosuppressive agents are equally effective, and in most cases, hormone combined immunosuppressive therapy may respond. Rituximab, a monoclonal antibody is a promising drug for treatment of this kind of diseases.