Longitudinal Follow-up and Performance Validation of a mRNA-based Urine Test (Xpert® Bladder Cancer Monitor) for surveillance in Non-Muscle Invasive Bladder Cancer Patients.

Frequent recurrences and the potential for progression of non-muscle-invasive bladder cancer (NMIBC) demand close surveillance. This prospective study evaluated the performance of Xpert Bladder Cancer Monitor (Xpert) test as a predictor of tumor recurrence.