MELVILLE, N.Y.--(BUSINESS WIRE)--OSI Pharmaceuticals, Inc. (NASDAQ: OSIP) provided commentary today on third quarter U.S. Tarceva sales. The announcement follows the release of third quarter Tarceva® (erlotinib) U.S. net sales data by Genentech, Inc., the company’s U.S. partner for the distribution and sales of Tarceva, in their third quarter earnings press release. Roche, OSI’s partner for the distribution and sale of Tarceva outside the U.S., is scheduled to announce third quarter net international sales of Tarceva tomorrow morning.