OncoMate MSI Dx approved as CDx for Keytruda + Lenvima
January 2026—The FDA has approved the Promega OncoMate MSI Dx analysis system as a companion diagnostic designed to identify patients with microsatellite stable (defined as not MSI-high) endometrial carcinoma who may benefit from treatment with pembrolizumab (Keytruda, Merck) plus lenvatinib (Lenvima, Eisai).