Intravesical chemotherapy has been studied in randomized clinical trials for >30 yr; however, the optimal schedule and duration of treatment are unknown. The objective is to determine the effect of schedule and duration of intravesical chemotherapy on recurrence in patients with stage Ta T1 bladder cancer.
The schedule and duration of intravesical chemotherapy in patients with non-muscle-invasive bladder cancer: a systematic review of the published results of randomized clinical trials.