Status:

RECRUITING

Multicenter Clinical Trial of ST-02 for Ablation of Upper Tract Urothelial Carcinoma

Lead Sponsor:

University of British Columbia

Conditions:

Urothelial Carcinoma of the Renal Pelvis and Ureter

Transitional Cell Cancer of the Renal Pelvis and Ureter

Eligibility:

All Genders

18+ years

Phase:

PHASE2

PHASE3

Brief Summary

The goal of this prospective clinical trial is to investigate the safety and efficacy of ST-02 (mucoadhesive gemcitabine suspension for pyelocaliceal instillation) to treat Upper Tract Urothelial Carc...

Detailed Description

This study is a prospective, multicenter, single-arm, open-label clinical trial assessing the safety and efficacy of ST-02 (mucoadhesive gemcitabine suspension for pyelocaliceal instillation) to chemo...

Eligibility Criteria

Inclusion

  • Adult (≥ 18 years) male or female
  • Primary or recurrent low-grade (LG), noninvasive (Ta) Upper Tract Urothelial Carcinoma (UTUC) in the renal pelvis, infundibulum, and/or calyces, based on ureteroscopy, biopsy and cytology performed within 8 weeks prior to the Screening Visit
  • At least 1 measurable papillary tumor measuring 5-15 mm
  • Low grade tumor(s) in the ipsilateral ureter. Every attempt should be made to ablate this tumor completely, but residual ipsilateral ureteral tumor is not an exclusion criterion.
  • Prior fully ablated low grade bladder tumor(s), without the need for intravesical therapy except for single-dose chemotherapy
  • A life expectancy of greater than 12 months
  • No active untreated urinary tract infection (UTI) as confirmed by urine culture or urinalysis
  • Women of Child bearing potential (WoCBP) and Males who have a WoCBP partner require a negative pregnancy test at the Screening visit and must use two acceptable contraceptives methods until six months post-treatment
  • All sexually active males must agree to use a condom during intercourse, for at least 48 h after each instillation

Exclusion

  • Have received Bacillus Calmette - Guerin (BCG) treatment for UTUC within 6 weeks prior to Visit 1
  • Pregnant (positive urine pregnancy test), planning pregnancy during trial, breast-feeding, or of childbearing potential without reliable contraception
  • Unresolved infection requiring active treatment with systemic antimicrobial drugs
  • History of high-grade non-muscle invasive bladder cancer within the past 6 months
  • History of muscle-invasive bladder cancer during the past 2 years
  • Actively being treated or intend to be treated with intravesical or systemic chemotherapy during the duration of the trial
  • Urinary obstruction in the ipsilateral Upper Urinary Tract (UUT)
  • Any contraindicated to gemcitabine or sensitivity to gemcitabine or any of the ST-02 ingredients
  • Currently receiving another investigational agent or involved in a clinical trial with an investigational product within the past 30 days prior to Visit 1
  • Active hepatitis B (chronic or acute) or active hepatitis C infection

Key Trial Info

Start Date :

June 19 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 1 2026

Estimated Enrollment :

70 Patients enrolled

Trial Details

Trial ID

NCT06124976

Start Date

June 19 2024

End Date

April 1 2026

Last Update

September 15 2025

Active Locations (4)

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Page 1 of 1 (4 locations)

1

Vancouver Prostate Centre

Vancouver, British Columbia, Canada

2

Men's Health Clinic

Winnipeg, Manitoba, Canada, R3P 2S8

3

Centre of Applied Urology Research, Nova Scotia Health Authority

Halifax, Nova Scotia, Canada

4

UHN - Princess Margaret Cancer Centre

Toronto, Ontario, Canada