Eli Lilly and Company - a global healthcare leader that unites caring with discovery to make life better for people around the world,  and Merck, known as MSD outside the United States and Canada, 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.

The expansion of this oncology clinical trial collaboration comes following the release of encouraging data from a Phase I study, presented earlier this year at the 16th World Congress on Lung Cancer, which evaluated pemetrexed, carboplatin and pembrolizumab in first-line nonsquamous NSCLC.

Pemetrexed is a leading therapeutic option used in combination with platinum-based therapies in this setting, making it an ideal candidate for combination studies with immunotherapy treatments.  Pembrolizumab is a humanized monoclonal antibody that works by increasing the ability of the body's immune system to help detect and fight tumor cells. Pembrolizumab blocks the interaction between PD-1 and its ligands, PD-L1 and PD-L2, thereby activating T lymphocytes, which may affect both tumor cells and healthy cells - and is currently approved as a single-agent therapy for certain types of NSCLC.

"The extension of our immuno-oncology collaboration with Merck reinforces our combination-focused strategy, which we believe has the potential to help this patient population where there is a significant unmet need," said Richard Gaynor, M.D., senior vice president, product development and medical affairs for Lilly Oncology. "Building upon this scientific partnership represents our shared, strong commitment to improve the lives of those living with cancer."

"Based on the data for ALIMTA, we believe this collaboration with Lilly has great potential to help even more patients," said Roger Dansey, M.D., therapeutic area head and senior vice president, oncology late stage development, Merck Research Laboratories. "We look forward to continuing our collaboration with Lilly across all of these trials - including the registrational Phase III all-comers trial for NSCLC."