Clinical Research Directory

BladMetrix Urine Test for Monitoring Recurrence in Non-Muscle Invasive Bladder Cancer

Sponsor: Oslo University Hospital

Summary

This observational study evaluates the urine test BladMetrix for monitoring bladder cancer recurrences in people with non muscle invasive bladder cancer (NMIBC) who are in follow-up after surgery. The main goal is to evaluate the potential clinical utility of the BladMetrix test by comparing its performance with current follow-up methods, cystoscopy (looking into the bladder with a camera) and urine cytology (examining cells in the urine), using confirmed pathological histology as the reference standard for recurrence (return of disease). Participants will be adults with NMIBC and a positive BladMetrix urine test at the time of their bladder tumor surgery (transurethral resection). After surgery, they will continue their usual follow-up at their local hospital according to national guidelines, including regular cystoscopies and urine cytology. At each planned follow-up visit over about 2 years, they will provide an extra urine sample for BladMetrix testing in addition to their routine examinations. By comparing BladMetrix results with cystoscopy, urine cytology, and histology from any biopsies or tissue from surgery, we will estimate diagnostic accuracy measures such as sensitivity, specificity, negative predictive value, and positive predictive value for detecting bladder cancer recurrence. The goal is to see whether the BladMetrix urine test could safely replace parts of the cystoscopies, help clarify uncertain cystoscopy findings, and support more individualized follow-up schedules for people living with NMIBC.

Official title: National Multicenter Observational Study of Urine-Based BladMetrix Monitoring for Recurrence in Non-Muscle Invasive Bladder Cancer

Key Details

Conditions

Interventions

Locations (6)