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Study seeks to predict hidden cancer in the ureter after bladder surgery

NCT ID NCT03677544

Knowledge-focused Sponsor: Centre Hospitalier Universitaire, Amiens Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study analyzes data from 748 patients who had their bladder removed due to bladder cancer. The goal is to find factors that can predict whether cancer has spread to the ureter, the tube that carries urine from the kidney to the bladder. By identifying these factors, doctors may be able to make better decisions during surgery about whether to test the ureter for cancer cells.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help surgeons decide during bladder cancer surgery whether to check the ureter for cancer cells, potentially reducing the need for additional procedures.
What could go wrong
This is a retrospective study, meaning it looks back at past data. It cannot prove cause and effect, and the findings may not apply to all patients or hospitals.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

748 people

The number who actually took part.

Started

Jan 2016

Finished

Jun 2017

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

In cohort A, most patients did not have intraoperative FS examination although it was performed in some cases depending on the surgeon's habits (N¼92). All patients had intraoperative FS in the validation cohort B. All cystectomies performed for nononcological purposes were excluded. All patients had nonmetastatic bladder cancer on preoperative computed tomography (CT) scans.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * patients \> 18 years * patients reoperative predictive factors for final ureteral section invasion after radical cystectomy Exclusion Criteria: * patients \< 18 years

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Conditions

The condition(s) this trial relates to.

transitional cell carcinoma urinary bladder carcinoma urothelial carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Urothelial carcinoma

Contacts and locations

Locations

  • CHU Amiens-Picardie

    Amiens, 80054, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.