- Prior therapy with intravesical Bacille Calmette-Guerin (BCG) and/or chemotherapy is allowed; patient must be at least 2 months beyond the instillation of any prior intravesical agent; patients should not have received systemic chemotherapy, radiation therapy, immunotherapy or systemic doses of steroids for at least 4 weeks prior to starting vaccination and have recovered from all acute toxicities of previous treatment; patients who have received neoadjuvant chemotherapy or radiation therapy to the bladder will be ineligible for this study