BOULDER, Colo.--(BUSINESS WIRE)--Array BioPharma Inc. (NASDAQ: ARRY) today announced the filing of an investigational new drug (IND) application with the U.S. Food and Drug Administration to initiate a Phase 1 clinical trial in cancer patients with its most advanced wholly owned MEK inhibitor, ARRY-162. Recent research confirms that the MEK pathway acts as a central axis in the proliferation of different tumors including melanoma, non-small cell lung, head/neck and pancreatic cancers. Array plans to simultaneously develop ARRY-162 for the treatment of both cancer and inflammatory disease. Array is currently completing a worldwide Phase 2, double-blinded clinical trial with ARRY-162 in 200 patients with active rheumatoid arthritis.