- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04647981
Diagnostic Performance Evaluation Study of the Xpert® Bladder Cancer Monitor Test. (Xpert Bladder)
Diagnostic Performance Evaluation Study of the Xpert® Bladder Cancer Monitor Test in the Surveillance of Patients With Non-Invasive Bladder Urothelial Carcinoma.
Non-muscle invasive bladder tumor is a condition that can recur with a risk of progression to an infiltrating tumor of the muscle. Regular follow-up is therefore essential to detect any recurrence or progression of the disease as early as possible.
Currently, the monitoring of this type of tumor is done by cystoscopy (examination that allows visualization of the bladder wall) associated with urinary cytology (analysis of urine to detect an abnormality). These examinations have their limits, they may not detect certain types of tumors or may be painful.
To reduce the number of cystoscopies and replace urinary cytology, several urinary markers have been developed in recent years. This is the case of the Xpert® Bladder Cancer Monitor test, which is a non-invasive, in vitro diagnostic urine test dedicated to the monitoring of patients with bladder cancer.
The purpose of this study is to evaluate the diagnostic performance of the Xpert® Bladder Cancer Monitor test for the detection of bladder tumor recurrence, compared to reference tests.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study consists of a urine sample. During the participant's medical consultation with his/her urologist, for the monitoring of his/her non-invasive bladder tumor(s), a cystoscopy is performed. Before the examination, the participant gives a urine sample, which will be analyzed by the Xpert®Bladder Cancer Monitor test.
The main objective of this non-interventional monocentric study is to compare the sensitivity of the Xpert® Bladder Cancer Monitor test performed on the GeneXpert® system to the sensitivity of cytology.
The reference test is a combination of cystoscopy and histology. The algorithm is as follows: if the cystoscopy is negative, it will be considered that there is no recurrence; if the cystoscopy is positive, a biopsy of the "abnormal" area will be performed and histology will be requested. If the histology is positive, it will be considered that there is a recurrence; otherwise, it will be considered that there is no recurrence.
The gold standard is, therefore, the couple: cystoscopy +/- histology
- A cystoscopy will be considered positive if to the naked eye the urologist sees a macroscopically suspicious lesion (e.g. a budding lesion).
- If the cystoscopy is positive, the urologist will take a sample of the suspect lesion and have it analyzed by the pathologist. If the lesion analyzed has the same histology as the original lesion, it will be considered a recurrence.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Hérault
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Montpellier, Hérault, France, 34070
- Clinique Beau Soleil
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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:
- Participant has a social security scheme.
- Participant has signed a form of no objection to the use of the data.
- Participant has had a transurethral resection of bladder tumor revealing non-invasive-muscle bladder tumor prior to inclusion within a maximum of 5 years from the date of diagnosis to the absence of recurrence since then.
- Participant is seen for a follow-up cystoscopy on the day of the visit.
Non-Inclusion Criteria:
- Vulnerable persons (Article L 1121-6 of the Public Health Code).
- Adults subject to legal protection or unable to express their consent (Article 1121-8 of the Public Health Code).
- Persons with a bladder tumor other than a non-invasive bladder tumor (i.e., invasive bladder cancer).
- A person who has undergone bladder tumor resection or therapy with Calmette-Guerin bacilli or with Mitomycin C less than 6 weeks (42 days) prior to inclusion.
Exclusion Criteria:
- Participant no longer wishing to participate in the study, or in the course of the study with a refusal to use the data until exit from the study.
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Xpert® Bladder Test
A urine sample is collected before cystoscopy.
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The urine sample is analyzed with the Xpert® Bladder Cancer Monitor test.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Compare sensitivities of the Xpert® Bladder Cancer Monitor Test and the urinary cytology test.
Time Frame: 12 months
|
The two tests, the Xpert® Bladder Cancer Monitor and the urinary cytology, made during the follow-up of patients with non-invasive-muscle bladder tumor are compared to the gold standard, which is the reference examination: the couple cystoscopy/histology.
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12 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluate the diagnostic accuracy of the Xpert® Bladder Cancer Monitor test.
Time Frame: 12 months
|
Evaluate the diagnostic accuracy of the Xpert® Bladder Cancer Monitor test for the detection of bladder tumor recurrence (stage, grade).
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12 months
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Mohamed Trabelssi, M.D., Clinique Beau Soleil
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
- 2018-A03392-53
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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Clinical Trials on Xpert® Bladder Cancer Monitor Test
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CepheidAxonal-Biostatem; Stève ConsultantsCompletedNon-muscle-invasive Bladder CancerUnited Kingdom, Netherlands, Spain, Sweden, Austria, Germany, Czechia, France, Italy
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CepheidCompletedBladder CancerUnited States, Canada, Netherlands
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Mansoura UniversityCepheidCompleted
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White River Junction Veterans Affairs Medical CenterMedical University of South Carolina; National Cancer Institute (NCI); University...RecruitingNon-muscle-invasive Bladder CancerUnited States
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Mansoura UniversityCompletedBladder Cancer | HematuriaEgypt
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Jørgen Bjerggaard JensenCepheidActive, not recruitingNon-muscle Invasive Bladder Cancer | Urinary BiomarkerDenmark
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Asan Medical CenterNational Cancer Center, Korea; Samsung Medical Center; Pusan National University... and other collaboratorsRecruitingBladder Cancer | Hematuria; BenignKorea, Republic of
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London Health Sciences CentrePacific Edge LimitedUnknown