AUSTIN, Texas--(BUSINESS WIRE)--Introgen Therapeutics, Inc. (NASDAQ:INGN), a developer of targeted molecular therapies for cancer, announced today that it has received a letter from the Nasdaq Listing Qualifications Panel (the “Panel”) stating that it has reached a decision to delist the shares of Introgen from the Nasdaq Stock Market and to suspend trading effective at the open of trading on Tuesday, December 9, 2008.