Clinical Research Directory

Inclusion Criteria: 1. Diagnosed with hematological diseases. 2. Have underwent first allogeneic hematopoietic stem cell transplantation (allo-HSCT) from any donor source using bone marrow, peripheral blood stem cells, or cord blood for hematologic malignancies. Exclusion Criteria: 1. recipients of second allogeneic stem cell transplant. 2. pregnant or breast-feeding women. 3. Serum creatinine \> 2.0 mg/dL or creatinine clearance \< 40 mL/min measured or calculated by Cockroft-Gault equation. 4. human immunodeficiency virus infection 5. active hepatitis b virus, hepatitis C virus infection and need antivirus treatment. 6. Subjects with evidence of relapsed primary disease, or subjects who have been treated for relapse after the allo-HSCT was performed, or graft rejection. 7. allergic history to Janus kinase inhibitors. 8. Severe organ dysfunction unrelated 9. Any condition that would, in the investigator's judgment, interfere with full participation in the study, including administration of study drug and attending required study visits; pose a significant risk to the subject; or interfere with interpretation of study data.