Study of Chidamide, Decitabine and Immune Checkpoint Inhibitors in R/R NHL and Advanced Solid Tumors

Chidamide is a novel and orally active benzamide class of HDAC inhibitor that selectively inhibits activity of HDAC1, 2, 3 and 10, which can induce tumor-cell apoptosis, suppress cell proliferation and enhance immune surveillance. Low-dose decitabine inhibits the activity of DNA methyltransferase, which can increase the expression of tumor antigens and HLA molecules, enhance antigen processing, promote T cell infiltration, and boost effector T cell function. Immune checkpoint inhibitors (ICIs) have emerged as effective therapies for many cancers by promoting the reactivation and restoring function of T cells. In conclusion, we speculate that the chemotherapy free regimen of Chidamide, Decitabine and Immune checkpoint inhibitors may explore a new avenue for therapeutic intervention in relapsed/refractory Non-Hodgkin Lymphoma and advanced solid tumors.