1-Year Recurrence After En Bloc Resection for Large Bladder Tumors
Official title: A Randomized Controlled Trial Comparing 1 Year Recurrence After Modified en Bloc Resection (ERBT) and Transurethral Resection (TURBT) for Large Bladder Tumors >2.5cm
Run by Rabin Medical Center · NCT07898033 · Data updated 2026-11-12
This trial tests whether en bloc resection of bladder tumors larger than 2.5 cm can reduce recurrence compared with standard transurethral resection in adults with non-muscle invasive bladder cancer.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 136 (estimated) |
| Sponsor | Rabin Medical Center Academic / other |
| Drugs / interventions | chemotherapy, immunotherapy |
| Locations | 1 site (Petah Tikva) |
| Status | Recruiting |
| Started | June 8, 2026 |
| Main results expected | June 8, 2027 |
| Study ends | June 8, 2028 |
| Registry record updated | October 27, 2026 |
| Trial ID | NCT07898033 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18 years or older with a single bladder tumor larger than 2.5 cm and good performance status (ECOG 0-2) who are candidates for endoscopic surgery.
✕Probably not a fit
Patients with multifocal tumors, metastatic disease, or those who do not respond to the surgical approach may not experience benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
Adults with suspected non-muscle invasive bladder cancer and tumors larger than 2.5 cm will be randomized to receive either en bloc resection or transurethral resection of the bladder tumor. The study will compare pathological and oncological outcomes, including recurrence, between the two surgical approaches. Eligible participants will have ECOG performance status 0-2 and no prior systemic cancer therapies. Key exclusions include multifocal disease, metastasis, prior BCG-unresponsive cancer, and contraindications to endoscopic surgery. The trial is conducted at multiple centers with lead sponsorship by a named investigator, and participation requires informed consent.
Why it matters
Potential benefit: If successful, the en bloc approach could lower recurrence rates and improve pathological assessment for patients with large bladder tumors.
How similar studies have gone: Previous work in en bloc resection for bladder tumors shows promise but definitive evidence for large tumors remains under investigation.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Patients aged ≥18 years with * Bladder tumor \>2.5cm measured on US\\CT\\MRI (suspected non-muscle invasive bladder cancer). * Performance status (ECOG) ≤2. * Signed informed consent form to participate in the study Exclusion Criteria: * Multifocal tumors (≥4 lesions). * Prior history of BCG unresponsive bladder cancer. * Prior systemic chemotherapy or immunotherapy for any malignancy. * UTUC. * Evidence of metastatic disease. * Contraindications for endoscopic surgery for bladder tumor. * Benign bladder tumor on postoperative pathology.
Where it's running
-
Rabin Medical Center
Petah Tikva, Israel Recruiting
Study contacts
- Study coordinator: Avishay Reuven Shem Tov Dlugy, MD
- Email: avishaishe@clalit.org.il
- Phone: +972546648489
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.