Phase 2 Study to Evaluate Safety and Efficacy of Cretostimogene Grenadenorepvec in High-Risk NMIBC

Brief Summary

This is 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.

Additional Resources

Eligibility 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

Last Updated: 5/5/2025

This website provides general information about the clinical trial for informational purposes only. For complete and up-to-date details, please refer to the official listing on ClinicalTrials.gov.