Merck gets first FDA nod for Keytruda in breast cancer setting
Merck has secured approval from the US Food and Drug Administration (FDA) for its Keytruda plus chemotherapy to treat patients with locally recurrent unresectable or metastatic triple-negative breast cancer (TNBC) whose tumours express PD-L1 (combined positive score [CPS] ≥10) as determined by an FDA-approved test.