Histone deacetylase(HDAC) inhibitor has been used in relapsed or refractory peripheral T-cell lymphoma.There are no international studies of Chidamide combination with lenalidomide for relapsed or refractory peripheral T-cell lymphoma. Therefore, this study intends to select the oral HDAC inhibitor Chidamide combined with lenalidomide for relapsed or refractory peripheral T-cell lymphoma, and explore its efficacy and safety.
