Merck has once again failed to boost the effects of its PD-1 blockbuster Keytruda by adding AstraZeneca’s PARP inhibitor Lynparza.
When given as a maintenance therapy, Lynparza and Keytruda did not result in survival benefits for certain first-line nonsquamous non-small cell lung cancer (NSCLC) patients compared to Keytruda and pemetrexed, a type of chemotherapy. The combo also failed to meet its second primary endpoint, progression-free survival, Merck announced Thursday.
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