Relapsed Peripheral T-Cell Lymphoma

This phase I trial studies the best dose and side effects of recombinant vesicular stomatitis virus (VSV) carrying the human (h) sodium iodide symporter (NIS) and Interferon (IFN) beta (β) genes (VSV-hIFNβ-NIS) in combination with cemiplimab in patients with T-cell lymphoma. A virus, called VSV-hIFNβ-NIS, which has been changed in a certain way, may be able to kill cancer cells without damaging normal cells. Immunotherapy with ipilmumab and cemiplimab may induce changes in body's immune system and may interfere with the ability of tumor cells to grow and spread.

The goal of this clinical trial is to evaluate the efficacy and safety of Pembrolizumab in combination with Olaparib in participants with relapsed/refractory Peripheral T-cell Lymphoma (PTCL). The study mainly aims to evaluate: * objective response rate (ORR) as per Cheson response criteria assessed by the independent central review * overall survival and progression-free survival * adverse events by CTCAE version 5.0 The administration of Pembrolizumab and Olaparib to participants will occur on Day 1 of each 3-week dosing cycle and will continue until disease progression or unacceptable toxicity, up to 35 cycles. Treatment with Olaparib will proceed continuously from Day 1 of Cycle 1, in 3-week dosing cycles in parallel with Pembrolizumab, up to 35 cycles, unless specific withdrawal/discontinuation criteria are met. After the end of treatment, each subject will be followed for 30 days for adverse event (AE) monitoring (serious AEs \[SAEs\] will be collected for 90 days after the end of treatment or 30 days after the end of treatment if the subject initiates new anticancer therapy, whichever is earlier).

To determine the efficacy and safety of Chidamide combined with Duvalisib in the treatment of refractory/relapsed peripheral T-cell lymphoma.

This is a multicenter, prospective study of Pralatrexate combined with Chidamide bridging Allogeneic Hematopoietic Stem Cell Transplantation for Refractory/Relapsed Peripheral T-cell Lymphoma