NRG-GU015
Open to Accrual
Protocol Information
The Phase III Adaptive Radiation and Chemotherapy for Muscle Invasive Bladder Cancer Trial (ARCHER)
Principal Investigator
Co-Principal Investigator(s)
Status
Open to Accrual
Date Opened To Accrual
August 14, 2025
Disease Site
Genitourinary [GU] Bladder
Phase
III
Developmental Therapeutics
Yes
Primary Objective
Demonstrate non-inferiority of
ultra-hypofractionated (SBRT) compared to hypofractionated RT with a 10%
non-inferiority margin (from 50% to 40%) in the rate of bladder-intact
event-free survival (BI-EFS) at 3 years (corresponding to a hazard ratio
<1.32).
Patient Population
Patients with Histologically proven, cT2-T3,N0M0 urothelial carcinoma of the bladder prior to randomization.
Target Accrual
486
Protocol Documents
Available via the National Cancer Institute (NCI) Cancer Trials Support Unit (CTSU) website.
Patient Study Webpage
To learn more about this study, visit the Patient Study Webpage.