Overview Chidamide, Azacitidine Combined With GM Regimen for Relapsed and Refractory DLBCL Patients Status: Recruiting Trial end date: 2025-12-31 Target enrollment: Participant gender: Summary To evaluate the efficacy and safety of CAGM regimen in R/R DLBCL patients and to provide a safe and more effective approach for R/R DLBCL patients. Phase: Phase 2 Details Lead Sponsor: The First Affiliated Hospital of Soochow UniversityTreatments: AzacitidineMitoxantroneObinutuzumab