Spots Global Cancer Trial Database for The Performance of Cancer Risk Genes in the Necessity of Secondary TURBT

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Trial Identification

Brief Title: The Performance of Cancer Risk Genes in the Necessity of Secondary TURBT

Official Title: The Performance of Uroepithelial Cancer Risk Genes in the Necessity of Secondary Transurethral Resection of Bladder Tumor for High-risk Non-muscle-invasive Bladder Cancer: A Multicenter Clinical Trial

Study ID: NCT05112523

Conditions

Bladder Cancer

Interventions

Study Description

Brief Summary: Investigators performed the Genetron Uro V1 test on the urine of patients before secondary TURBT and compared it with the final pathological results. To analyze the performance of the Genetron Uro V1 method in a study to predict the need for secondary TURBT in high-risk NMIBC patients and the correlation with patient's RFS and OS.

Detailed Description: The standard of treatment for patients with non-muscle invasive bladder cancer (NMIBC) is transurethral resection of bladder tumors (TURBT), with postoperative intravesical irrigation treatment options determined by the risk of recurrence. After TURBT surgery, tumor remnants are one of the most important causes of postoperative tumor recurrence. Studies have shown that secondary TURBT can detect residual bladder tumor lesions, obtain more accurate pathological staging, increase recurrence-free survival, improve patient prognosis, and enhance treatment outcomes. Current bladder cancer treatment guidelines recommend secondary TURBT for patients with (1) inadequate first TURBT (2) no muscle tissue in the first TURBT specimen, except for TaG1 and carcinoma in situ (3) stage T1 tumors (4) grade G3 tumors, except for carcinoma in situ. However, at present, the lack of screening methods for the population benefiting from secondary TURBT in clinical practice has led to some patients inevitably receiving overtreatment, increasing patient suffering, and financial costs, and raising the burden of government healthcare. The genetic test for uroepithelial tumor risk (Genetron Uro V1) is a non-invasive liquid biopsy method based on urine samples, which has high diagnostic efficacy in patients with primary uroepithelial cancer. Investigators performed the Genetron Uro V1 test on the urine of patients before secondary TURBT and compared it with the final pathological results. To analyze the performance of the Genetron Uro V1 method in a study to predict the need for secondary TURBT in high-risk NMIBC patients and the correlation with patient's RFS and OS.