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Immunotherapy of Renal Cell Carcinoma

Publication at First Faculty of Medicine |
2017

Abstract

Treatment of renal cell carcinoma is still palliative. Targeted therapy increases response rates and prolongs overall survival and progression-free survival compared with cytokines and chemotherapy.

Checkpoint inhibitors constitute the up-date of therapeutic approaches, and anti-PD-1 antibody, one checkpoint inhibitor, is now well established as a second and/or third palliative treatment for patients with renal cell carcinoma. In this study, we present the latest data from current studies on cytokines, cancer vaccines, ipilimumab, and nivolumab.

The therapeutic efficacies of combinations such as targeted therapy with immune checkpoint inhibitors and anti-CTLA-4 with anti PD-1 (-L1) have been reported in many studies. Preliminary results are encouraging but the high toxicities and elevated cost are limiting.

Treatments with combinations of bevacizumab and atezolizumab, axitinib and pembrolizumab or avelumab, lenvatinib and pembrolizumab, and nivolumab and ipilimumab (results from study phase I, II, and sometimes III) are reported to be highly effective and to result in long-lasting responses with response-rates of 70-100%. So far, valid predictors for these therapies have not been forthcoming, but considerable work is being exerted in this area.

Heng and Memorial Sloan Kettering Cancer Center (MSKCC) models are still being used to select patients for immunotherapy. Immunotherapy will definitely continue to play an important role in the treatment of patients with renal cell carcinoma; however, many questions remain.