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Could bladder bacteria trigger cancer? new study investigates

NCT ID NCT07080333

Knowledge-focused Sponsor: Centre Hospitalier Universitaire de Nice Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether certain bacteria or viruses in the bladder might be linked to bladder cancer. Researchers will compare the germs found in cancerous bladder tissue with those in healthy tissue from the same person. The goal is to see if there are differences that could help explain why some people get bladder cancer. The study involves 95 men over 18 who are having a procedure for suspected bladder cancer.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 95 people

The number the study aims to enrol. It can still change while the study runs.

Started

Mar 2026

Expected to finish

Oct 2028

An estimate. End dates often move.

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.

Ages

18 years and older

Sex

Male participants only

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: * Age \> 18 years old * Male * First RTUV for suspected CV in the presence of macroscopic haematuria or other clinical signs and/or urinary cytology and/or cystoscopy and/or imaging tests suggestive of CV * Signed informed consent form * Affiliation with a social security scheme Exclusion Criteria: * Antibiotic use within 3 months prior to inclusion * Current urinary tract infection (urine culture recommended by the AFU prior to RTUV) * History of surgical treatment of the urinary and genital tracts within the last 6 months prior to inclusion * History of RTUV * History of pelvic radiotherapy * Interstitial cystitis * Patients with an indwelling urinary catheter * Vulnerable patients: minors, patients under guardianship or curatorship * Patients with benign tumours after receipt of the pathological report (inverted papilloma, non-tumour inflammatory lesion)

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Conditions

The condition(s) this trial relates to.

neoplasm urinary bladder carcinoma

As listed by the trial registrant

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

Bladder (urothelial, transitional cell) cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    8 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Cannes Hospital

    NOT_YET_RECRUITING

    Cannes, 06141, France

  • Marseille university Hospital

    NOT_YET_RECRUITING

    Marseille, 13000, France

  • Menton Hospital

    NOT_YET_RECRUITING

    Menton, 06507, France

  • Nice University Hospital

    RECRUITING

    Nice, 06000, France

  • Nimes University hospital

    NOT_YET_RECRUITING

    Nîmes, 30029, France

  • Paris University Hospital

    NOT_YET_RECRUITING

    Paris, 75018, France

  • Rennes University Hospital

    NOT_YET_RECRUITING

    Rennes, 35033, France

  • Tours University Hospital

    NOT_YET_RECRUITING

    Tours, 37044, France

More trials for these conditions

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