Overview Chidamide Combined With PECM in Relapsed or Refractory Peripheral T-cell Lymphoma (PTCL) Status: Unknown status Trial end date: 2020-12-31 Target enrollment: Participant gender: Summary To observe the efficacy and safety of Chidamide combined with prednisone, cyclophosphamide, etoposide and methotrexate in relapsed or refractory PTCL. Phase: Phase 2 Details Lead Sponsor: Sun Yat-sen UniversityTreatments: CyclophosphamideEtoposideEtoposide phosphateMethotrexatePrednisone