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Spots Global Cancer Trial Database for Bladder Washing Cytology for Detection of Urothelial Carcinoma Using Catheter or Flexible Cystoscope: Which is Better?

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Trial Identification

Brief Title: Bladder Washing Cytology for Detection of Urothelial Carcinoma Using Catheter or Flexible Cystoscope: Which is Better?

Official Title: Bladder Washing Cytology for Detection of Urothelial Carcinoma Using Catheter or Flexible Cystoscope: Which is Better? A Prospective Randomized Study

Study ID: NCT05643807

Conditions

Bladder Cancer

Study Description

Brief Summary: Urine cytology can be collected with spontaneous urine or by washing the bladder. It is commonly accepted among urologist that instrumental bladder washing is the method of choice. There are, however, no solid recommendations regarding the method to collect the urine for bladder wash cytology during cystoscopy. There are mainly two possibilities: 1) the use of an intermittent bladder catheter after the removal of the cystoscope or 2) bladder lavage through working channel of the flexible cystoscope itself. The first choice may increase the number of collected cells because of the larger caliber of the catheter compared to the working channel and thus the better efficacy of bladder wash. However, this method is certainly more invasive and possibly more expensive. To the best of our knowledge and according to available literature, none of both collection method can be defined as gold standard. The aim of the study is to show that use of flexible cystoscope brings the same results in terms of quality of the urine collection for analysis as the use of intermittent bladder catheter and is less unpleasant for the patient. If our study confirms the non-inferiority of "direct" collection through the cystoscope, this will allow the establishment of recommendations in this sense in order to simplify the procedure and reduce as much as possible the manipulations within the urogenital tract.

Detailed Description: The aim of the study is to show that use of flexible cystoscope brings the same results in terms of quality of the urine collection for analysis as the use of intermittent bladder catheter and is less unpleasant for the patient. Group A: Urinary cytology will be collected using a Ch.14 bladder catheter after the removal of the cystoscope. Catheter will be placed at the bladder neck level. Group B: Urinary cytology will be collected through the flexible cystoscope itself at the end the cystoscopy. Before starting the urinary collection, the cystoscope will either be placed in front of a suspected intravesical lesion (if present) or at the bladder neck (if no lesion present).

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: MALE

Healthy Volunteers: No

Locations

Centre Hospitalier Universitaire Vaudois, CHUV, Lausanne, VD, Switzerland

Contact Details

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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