A Phase 3, Randomized Study Evaluating the Efficacy and Safety of TAR-210 Erdafitinib Intravesical Delivery System Versus Single Agent Intravesical Chemotherapy in Participants With Intermediate-risk Non-muscle Invasive Bladder Cancer (IR-NMIBC) and Susceptible FGFR Alterations

Inclusion Criteria: * Main study only: Have a histologically confirmed diagnosis (within 90 days of randomization) of IR-NMIBC with at least one of the following criteria fulfilled: a. Ta low grade (LG)/ Grade 1 (G1): primary or recurrent, b. Ta LG/G2: primary or recurrent and c. Greater than or equal to (\>=) 1 of the following risk factors: i. Multiple Ta LG tumors, ii. Solitary LG tumor \>= 3 cm, iii. Early recurrence (less than \[\<\] 1 year), iv. Frequent recurrence (greater than \[\>\] 1 per year), v. Recurrence after prior adjuvant intravesical treatment (single perioperative dose of c…