Use of Pembrolizumab Expanded to 13th Type of Cancer in Five Years

The use of immunotherapy in the treatment of cancer has dramatically increased in the five years since the U.S. Food and Drug Administration (FDA) first approved the groundbreaking immunotherapeutic pembrolizumab (Keytruda). Since that September 2014 approval, for melanoma, pembrolizumab has been approved for use in the treatment of another 12 types of cancer, most recently endometrial cancer, and the treatment of any type of solid tumor that tests positive for either of two specific biomarkers, microsatellite instability–high or mismatch repair–deficient.

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