Talimogene Laherparepvec in Treating Patients With Non-Muscle Invasive Bladder Transitional Cell Carcinoma

This phase I trial studies the side effects and best dose of talimogene laherparepvec and to see how well it works in treating patients with non-muscle invasive bladder transitional cell carcinoma. Biological therapies, such as talimogene laherparepvec, use substances made from living organisms that may attack specific tumor cells and stop them from growing or kill them.