- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05112523
The Performance of Cancer Risk Genes in the Necessity of Secondary TURBT (RE-TURBT)
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 Overview
Status
Conditions
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.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
-
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Jiangsu
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Nanjing, Jiangsu, China, 210000
- Recruiting
- The First Affiliated Hospital of Nanjing Medical University
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
Patients with a confirmed diagnosis of high-risk NMIBC at each study center:
including (1) inadequate first TURBT; (2) absence of muscle tissue in the first TURBT specimen, except for TaG1 and carcinoma in situ alone; (3) stage T1 tumors; (4) grade G3 tumors, except for carcinoma in situ alone; (5) TaG1G2 meeting both multiple, recurrent, and >3 cm in diameter (or low-grade urothelial epithelial carcinoma)
- gender is not limited.
- age ≥ 18 years old.
- the ability to provide a 100 ml standing urine sample within 3-6 weeks after the first TURBT and before the secondary transurethral resection.
- agree to provide basic personal clinical information and pathological and imaging data for use in scientific research and sign an informed consent form related to scientific research.
- consent to perform the genetic testing services involved in the trial.
- agree to provide monitoring results in the follow-up relapse monitoring process.
Exclusion Criteria:
- patients with other non-uroepithelial malignancies (including prostate cancer and renal cell carcinoma).
- patients who failed to undergo secondary transurethral resection.
- patients with incomplete information on sample pathology.
- patients with contaminated samples.
- Patients whose urine samples fail quality control and cannot be re-sampled for valid reasons.
- Patients whose samples cannot complete the test due to reasonable cause.
- any condition that, in the opinion of the investigator, may harm the subject or cause the subject to be unable to meet or perform the requirements of the study.
- Patients who are unable to provide written informed consent.
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Concordance analysis of Genetron Uro V1 assay results with gold standard results of secondary TURBT histopathology
Time Frame: Through study completion, an average of 1 year
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Through Concordance analysis of Genetron Uro V1 assay results with gold standard results of secondary TURBT histopathology, the sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV) of Genetron Uro V1 detected before secondary TURBT are measured.
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Through study completion, an average of 1 year
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival
Time Frame: 2 years after surgery
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To analyze the performance of the Genetron Uro V1 method in a study to predict the correlation with patient OS.
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2 years after surgery
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Recurrence-free survival
Time Frame: 2 years after surgery
|
To analyze the performance of the Genetron Uro V1 method in a study to predict the correlation with patient RFS.
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2 years after surgery
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2021-SR-277
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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