Eli Lilly and Company and Merck known as MSD outside the United States and Canada, today announced the extension of an existing collaboration to evaluate the safety and efficacy of the combination of Lilly's ALIMTA® (pemetrexed for injection) and Merck's KEYTRUDA® (pembrolizumab) in a pivotal Phase III study in first-line nonsquamous non-small cell lung cancer (NSCLC). The study will be sponsored by Merck and will be open to patients with NSCLC in the first-line setting, regardless of PD-L1 status. Financial details of the collaboration were not disclosed.