NEW YORK (GenomeWeb) – Foundation Medicine has inked a collaboration with Merck to develop companion diagnostic tests for use with Merck's anti-PD-1 immunotherapy drug Keytruda (pembrolizumab).

Under the agreement announced today, the companies plan to develop a pan-cancer CDx to measure microsatellite instability (MSI), CDx tests for tumor mutational burden (TMB), and other novel biomarkers of response.