Abstract
Cancer immunotherapy including the use of immune checkpoint inhibitors (ICI) and chimeric antigen receptor T cell therapy (CAR-T) are showing a promising role as part of cancer therapy and slowly replacing conventional chemotherapy. However, the use of ICI and CAR-T in organ transplant recipients with malignancies could be complicated with acute rejection and graft loss. Many proposed immunosuppressive (IS) regimens showed a probable role in preventing acute rejection related to ICI, including the use of a single ICI rather than double ICI, concomitant use of glucocorticoids (GC), converting tacrolimus to mTor inhibitors (m-TorI) and avoid close sequencing of ICI agents. Furthermore, low dose prednisone (LDP) before CAR-T infusion in patients with stable allograft kidney function could favor the regulatory T cells (T-regs), actively regulating alloimmune responses, and maintaining self-tolerance of the renal transplant. Further prospective trials will be needed to examine the long-term effect of these regimens in renal transplant recipients undergoing CAR-T or receiving ICI as curative therapies for their refractory cancers.
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