Melanoma to rhabdomyosarcoma plasticity in the setting of immunotherapy

medRxiv Oncology | |

Acquired resistance to immune checkpoint inhibitors (ICIs) remains a significant challenge in the treatment of metastatic melanoma. Phenotypic plasticity, such as dedifferentiation and transdifferentiation, is an increasingly recognized mechanism for treatment resistance. We present a case of a man in his 70s with metastatic melanoma who experienced progression through sequential treatments including pembrolizumab in combination with the HDAC inhibitor entinostat,…

Topics: skin-cancer, blood-cancer, sarcoma, immunotherapy, research