Clinical trial Recruiting at 76 sites Phase 2 Interventional Ages 18 and up

Evaluating a new treatment for high-risk non-muscle-invasive bladder cancer

Official title: A Phase 2, Multi-Arm, Multi-Cohort, Open-Label Study to Evaluate the Safety and Efficacy of Cretostimogene Grenadenorepvec in Participants With High-Risk Non-Muscle-Invasive Bladder Cancer (NMIBC)

Run by CG Oncology, Inc. · NCT06567743 · Data updated 2026-11-12

This study tests a new treatment for people with high-risk non-muscle-invasive bladder cancer to see if it works better than current options.

More Non Muscle Invasive Bladder Cancer trials

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment325 (estimated)
SponsorCG Oncology, Inc.
Industry-sponsored
Locations80 sites (Gilbert, Arizona and 79 other locations)
StatusRecruiting
StartedSeptember 16, 2024
Main results expectedMarch 31, 2027
Study endsDecember 30, 2027
Registry record updatedSeptember 3, 2026
Trial IDNCT06567743 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with pathologically confirmed high-risk high-grade NMIBC, either BCG-naïve or previously treated with BCG.

Probably not a fit

Patients with low-risk NMIBC or those who have not been diagnosed with high-grade disease may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 2 study assesses the safety and efficacy of Cretostimogene Grenadenorepvec in patients with high-risk non-muscle-invasive bladder cancer (NMIBC). Participants are divided into multiple cohorts based on their treatment history with Bacillus Calmette-Guerin (BCG) and the specific characteristics of their cancer. The study involves randomizing participants to receive the treatment through different instillation procedures. The goal is to determine how well this new therapy works compared to existing options.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with high-risk NMIBC who have limited treatment alternatives.

How similar studies have gone: Other studies have shown promise with similar immunotherapy approaches, suggesting potential for success in this novel application.

Who can join: the full rules

Show full inclusion / exclusion criteria
Cohort A Key Inclusion Criteria:

* Pathologically confirmed BCG-naïve high-risk high-grade NMIBC (i.e., CIS with or without Ta/T1 disease or high-grade Ta/T1 papillary-only disease without CIS) within 90 days of treatment allocation.
* All visible disease must be resected, and all CIS resected or fulgurated, as feasible within 90 days prior to treatment allocation.
* Acceptable baseline organ function.

Cohort B Key Inclusion Criteria:

* Pathologically confirmed BCG-exposed high-risk high-grade NMIBC (i.e., CIS with or without Ta/T1 disease or high-grade Ta/T1 papillary-only disease without CIS) within 90 days of treatment allocation.
* All visible disease must be resected, and all CIS resected or fulgurated, as feasible within 90 days prior to treatment allocation.
* Acceptable baseline organ function.

Cohort CX Inclusion Criteria

* Pathologically confirmed high-risk high-grade BCG-unresponsive or BCG-exposed NMIBC (i.e., CIS with or without Ta/T1 disease or high-grade Ta/T1 papillary-only disease without CIS) within 90 days of treatment allocation.
* All visible disease must be resected, and all CIS resected or fulgurated, as feasible within 90 days prior to treatment allocation.
* Acceptable baseline organ function.

Key Exclusion Criteria (Both Cohorts):

* Current or past history of muscle-invasive, locally advanced or metastatic bladder cancer.
* High-grade urothelial carcinoma in the upper urinary tract or prostatic urethra within 24 months or T2 in upper tract within 48 months or any history of locally advanced/ nodal or metastatic disease in the upper urinary tract.
* Significant immunodeficiency.
* Pregnant or breastfeeding.
* Cohort CX Only: serial intravesical gemcitabine within 24 months

Where it's running

  • Banner MD Anderson Cancer Center
    Gilbert, Arizona, United States
    Recruiting
  • Mayo Clinic Arizona
    Phoenix, Arizona, United States
    Recruiting
  • University of Arkansas for Medical Sciences
    Little Rock, Arkansas, United States
    Recruiting
  • Arkansas Urology
    Little Rock, Arkansas, United States
    Recruiting
  • Michael G Oefelein, MD Clinical Trials
    Bakersfield, California, United States
    Recruiting
  • City of Hope
    Irvine, California, United States
    Recruiting
Show 44 more locations
  • Genesis Research (Greater Los Angeles)
    Los Alamitos, California, United States
    Recruiting
  • Urology Center of Southern California
    Murrieta, California, United States
    Recruiting
  • University of California, Irvine
    Orange, California, United States
    Recruiting
  • UC Davis
    Sacramento, California, United States
    Recruiting
  • Om research
    San Diego, California, United States
    Recruiting
  • University of Southern California
    San Diego, California, United States
    Recruiting
  • Genesis Research (Greater Los Angeles)
    Torrance, California, United States
    Recruiting
  • Colorado Urology
    Lakewood, Colorado, United States
    Recruiting
  • Urology Associates, Lone Tree
    Lone Tree, Colorado, United States
    Recruiting
  • University of Florida
    Gainesville, Florida, United States
    Recruiting
  • Mayo Clinic Florida
    Jacksonville, Florida, United States
    Recruiting
  • Advanced Urology Institute (Solaris)
    Largo, Florida, United States
    Recruiting
  • Advanced Urology Institute
    Oxford, Florida, United States
    Recruiting
  • Emory University
    Atlanta, Georgia, United States
    Recruiting
  • Associated Urological Specialists
    Chicago Ridge, Illinois, United States
    Recruiting
  • Uropartners
    Glenview, Illinois, United States
    Recruiting
  • Accellacare
    Lisle, Illinois, United States
    Recruiting
  • Urology of Indiana - Carmel
    Carmel, Indiana, United States
    Recruiting
  • Urology of Indiana, LLC (US Urology Partners)
    Greenwood, Indiana, United States
    Recruiting
  • First Urology, PSC
    Jeffersonville, Indiana, United States
    Recruiting
  • Urologic Specialists of Northwest Indiana (Solaris)
    Merrillville, Indiana, United States
    Recruiting
  • Urology Center of Iowa Research
    Clive, Iowa, United States
    Recruiting
  • Wichita Urology Group
    Wichita, Kansas, United States
    Recruiting
  • Southern Urology (Urology America)
    Lafayette, Louisiana, United States
    Recruiting
  • Ochsner Medical Center
    New Orleans, Louisiana, United States
    Recruiting
  • Anne Arundel Urology
    Annapolis, Maryland, United States
    Recruiting
  • Chesapeake Urology Research Associates
    Hanover, Maryland, United States
    Recruiting
  • Brigham and Women's Hospital
    Boston, Massachusetts, United States
    Recruiting
  • Comprehensive Urology
    Royal Oak, Michigan, United States
    Recruiting
  • Michigan Institute of Urology (Solaris)
    Troy, Michigan, United States
    Recruiting
  • Mayo Clinic Rochester
    Rochester, Minnesota, United States
    Recruiting
  • Minnesota Urology
    Woodbury, Minnesota, United States
    Recruiting
  • Specialty Clinical Research of St. Louis
    St Louis, Missouri, United States
    Recruiting
  • Adult and Adolescent Urology
    Omaha, Nebraska, United States
    Recruiting
  • Hackensack University Medical Center
    Hackensack, New Jersey, United States
    Recruiting
  • Integrated Medical Professionals, PLLC (Solaris)
    New York, New York, United States
    Recruiting
  • University of Rochester
    Rochester, New York, United States
    Recruiting
  • SUNY Upstate
    Syracuse, New York, United States
    Recruiting
  • Associated Medical Professionals of NY, PLLC (US Urology Partners)
    Syracuse, New York, United States
    Recruiting
  • Montefiore Medical Center
    The Bronx, New York, United States
    Recruiting
  • University of North Carolina
    Chapel Hill, North Carolina, United States
    Recruiting
  • Atrium Health/Levine Center
    Charlotte, North Carolina, United States
    Recruiting
  • Associated Urologist of North Carolina (Solaris)
    Raleigh, North Carolina, United States
    Recruiting
  • The Urology Group (Solaris)
    Cincinnati, Ohio, United States
    Recruiting

+30 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.