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Bladder surgery may cloud thinking: new study investigates

NCT ID NCT07165236

Knowledge-focused Sponsor: Osijek University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at whether bladder tumor surgery and general anesthesia can cause short-term memory or thinking problems. Researchers will test 42 adults before and after surgery using simple cognitive tests and blood markers of brain injury. The goal is to understand who might be at risk and how to improve care.

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 study could help identify patients at risk for memory or thinking problems after bladder tumor surgery, leading to better care.
What could go wrong
This is a small, early observational study with only 42 participants, so results may not apply to everyone. It is not testing a treatment.

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

About 42 people

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

Started

Nov 2024

Expected to finish

Oct 2029

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.

Who is studied

Adult patients, older than 18 years, of both sex, patients that have tumor bladder cancer.

Ages

18 to 80 years

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: * adult patients from 18-80 years, * elective operations of tumor bladder cancer (TUR), * patients can communicate, * patients who can sign the information consent and questionnaires Exclusion Criteria: * patients under the age of 18, * patients above 80 years, * patients who are unable to communicate * patients who do not understand informed consent for the research, * patients who are unable to write * emergency surgery, * patients with proven hypersensitivity to some of the drugs used in the study * patients in a state of shock, septic, or hemorrhagic patients with neurodevelopmental disorders

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Conditions

The condition(s) this trial relates to.

Cognitive Dysfunction Postoperative Cognitive Complications urinary bladder cancer Urinary Bladder Neoplasms

As listed by the trial registrant

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

Biomarker Cognitive decline Cognitive testing Comorbidities Demographic data FRAIL General anesthesia Hand grip strength Perioperative complications Socio-economic status Urinary bladder cancer

How to take part

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

  1. The places running it

    1 site. 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

  • Osijek UH

    RECRUITING

    Osijek, Croatia, 31000, Croatia

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