EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our report included in this Form 10-K into Introgen Therapeutics, Inc.'s previously filed Registration Statements on Form S-8 (Registration No's: 333-58648, 333-59826 and 333-82122) dated April 10, 2001, April 30, 2001 and February 4, 2002. /s/ Arthur Andersen LLP Austin, Texas March 12, 2002