Introgen Therapeutics, Inc. Announces Conference Call; Phase 3 Trial Analysis Plans And New Clinical Data To Be Discussed

AUSTIN, Texas, Dec. 28 /PRNewswire-FirstCall/ -- Introgen Therapeutics, Inc. (Nasdaq: INGN - News) confirmed today that it will host a conference call to update its regulatory and clinical developments including its plans to begin the analyses of Phase 3 ADVEXIN trials. Management will comment upon the agreement between Introgen and the Food and Drug Administration for the statistical analysis plan of ADVEXIN phase 3 clinical trials to support product licensure for recurrent head and neck cancers. In addition, activities in the company's program to register ADVEXIN with the European Medicines Evaluation Agency (EMEA) will be reviewed. Also to be highlighted are the recently reported ADVEXIN clinical biomarker data which has provided high statistical significance for both increased survival and tumor response in p53 biomarker-defined patients.

Management will discuss financial and corporate developments and report on successful steps to strengthen its capital resources through recent sales of $30 million in common stock. The call will be held today, December 28, 2006, at 4:30 p.m. Eastern Time. The call may be accessed at Introgen's Web site at http://www.introgen.com . The call may also be accessed by dialing 1-877-616-4476 or 1-706-679-7372. For those unable to listen to the broadcast live, the call will be archived for replay on Introgen's website.

Introgen Therapeutics, Inc. is a biopharmaceutical company focused on the discovery, development and commercialization of targeted molecular therapies for the treatment of cancer and other diseases. Introgen is developing molecular therapeutics, immunotherapies, vaccines and nano-particle therapies to treat a wide range of cancers using tumor suppressors and cytokines. Introgen maintains integrated research, development, manufacturing, clinical and regulatory departments and operates multiple manufacturing facilities including a commercial scale cGMP manufacturing facility.

Statements in this release that are not strictly historical may be "forward-looking" statements, including those relating to Introgen's regulatory, clinical and corporate updates. The actual results may differ from those described in this release due to risks and uncertainties that exist in Introgen's operations and business environment, including Introgen's stage of product development and the limited experience in the development of gene- based drugs in general, dependence upon proprietary technology and the current competitive environment, history of operating losses and accumulated deficits, reliance on collaborative relationships, and uncertainties related to clinical trials, the safety and efficacy of Introgen's product candidates, the ability to obtain the appropriate regulatory approvals, Introgen's patent protection and market acceptance, as well as other risks detailed from time to time in Introgen's filings with the Securities and Exchange Commission including its filings on Form 10-K and Form 10-Q. Introgen undertakes no obligation to publicly release the results of any revisions to any forward-looking statements that reflect events or circumstances arising after the date hereof.

Editor's Note: For more information on Introgen Therapeutics, or for a menu of archived press releases, please visit Introgen's Website at: http://www.introgen.com .

Contact:

Introgen Therapeutics, Inc. C. Channing Burke (512) 708 9310 Ext. 322 Email: c.burke@introgen.com

Source: Introgen Therapeutics, Inc.

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