SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Exelixis, Inc. (Nasdaq:EXEL) announced today the launch of its ASCO 2011 Online Summit featuring editorials and perspectives on new cancer therapeutic advances and changing treatment paradigms from scientific, clinical, patient advocacy and industry thought leaders. The Summit is specially designed to augment understanding and provide additional context for new data emerging from the 2011 Annual Meeting of the American Society of Clinical Oncology (ASCO), taking place June 3-7, 2011 in Chicago.