Genentech, Inc. (NYSE:DNA) and OSI Pharmaceuticals, Inc. (Nasdaq:OSIP) today announced that a randomized Phase III study (BeTa Lung) evaluating Avastin® (bevacizumab) in combination with Tarceva® (erlotinib) in patients with advanced non-small cell lung cancer (NSCLC) whose disease had progressed following platinum-based chemotherapy did not meet its primary endpoint of improving overall survival compared to Tarceva in combination with placebo.