Intravesical Bacillus Calmette-Guerin Reduces the Risk of Progression in Patients with Superficial Bladder Cancer: A Meta-analysis of the Published Results of Randomized Clinical Trials

Intravesical BCG significantly reduces the risk of progression after transurethral resection in patients with superficial bladder cancer who receive maintenance treatment. Thus, it is the agent of choice for patients with intermediate and high risk papillary tumors and those with carcinoma in situ.