NRG-GU015

Open to Accrual

Return to Protocol Table

Protocol Information

Tab containing protocol details, study design, and eligibility criteria
Tab containing study documents, informed consent forms, and study materials
Tab containing information for potential study participants

The Phase III Adaptive Radiation and Chemotherapy for Muscle Invasive Bladder Cancer Trial (ARCHER)

Principal Investigator

Scott Delacroix, MD

Co-Principal Investigator(s)

Himanshu Nagar, MD

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.