Maintenance Therapy of Chidamide in Patients With HBV Positive Diffuse Large B-cell Lymphoma

Objective to evaluate the efficacy and safety of maintenance therapy with Chidamide in patients With Hepatitis B Virus（HBV）Positive Diffuse Large B-cell Lymphoma（DLBCL） with complete response after completion of prior chemotherapy, so as to provide the basis for the application of Chidamide in HBV positive DLBCL