Recent cancer immunotherapy development with immune checkpoint inhibitors has shown durable clinical responses in a wide variety of tumor types. These drugs targeting programmed cell death 1, its ligand programmed death ligand 1 and cytotoxic T cell lymphocyte-associated antigen 4 have revolutionized the field of cancer treatment. It is of significant interest in optimizing the immunotherapy for cancer patients beyond the conventional treatments such as surgery, chemotherapy and radiation. Many clinical trials evaluating the safety and efficacy of various combined regimens with immune checkpoint inhibitors have been reported and are in progress. Among gynecologic malignancy, endometrial cancers have distinct subtypes with microsatellite instability-high status and polymerase ɛ mutation. These types have been shown to immunogenic tumors and appropriated candidate for immune checkpoint inhibitors. Also, recurrent cervical cancer showed a promising objective response with single anti-PD1 Ab treatment. Despite their definite outcome and considerable potential of immunotherapy, not all patients received a survival benefit and further understanding of human tumor immunology is essential to improve this type of therapy. In this review, we have summarized the updated results of clinical trials of cancer immunotherapy for gynecologic malignancies and discussed the future perspectives.
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