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Clinical Trial Summary

This is a phase 1b feasibility study of pre-operative immunotherapy in PD-L1 positive resectable stage II-III urothelial cancer patients. This study can be adapted or expanded based on the results obtained.


Clinical Trial Description

This is a phase 1b feasibility study of pre-operative immunotherapy in PD-L1 positive resectable stage II-III urothelial cancer patients. Urothelial cancer patients will be included that are diagnosed with either: - cT2-4aN0M0 OR - cT1-4aN1-3M0 PD-L1 status will be determined. When PD-L1 CPS is ≥10%, patients will be treated with three cycles nivolumab 240 mg, q3wk, on day 1, 22, 43. The primary endpoint is feasibility of pre-operative nivolumab in PD-L1 positive resectable stage II-III urothelial cancer patients. After surgery, patients attend study visits at day 8 and at day 29. Their final study visit for physical examination and laboratory testing is at day 57 (+/- 7 days), which is scheduled to anticipate late-onset adverse events. 90 days postoperative, surgical complications according to the Clavien-dindo classification will be evaluated. Thereafter, patients will be followed according to standard clinical guidelines. Tumor biopsies/material preservation is required at baseline and during surgery. Main secondary endpoints are: - To identify pathological complete response rates of nivolumab in PD-L1 positive resectable stage II-III urothelial cancer patients - To describe immune-related grade 3/4 and all grade toxicities - To describe RFS and OS - Translational: Effects of immunotherapy on the tumor microenvironment based on RNA signatures and changes in immune infiltrates between baseline and resection. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04871594
Study type Interventional
Source The Netherlands Cancer Institute
Contact
Status Active, not recruiting
Phase Phase 1
Start date August 23, 2021
Completion date June 2, 2026

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