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Diabetes study monitors brain oxygen during surgery

NCT ID NCT07491185

Knowledge-focused Sponsor: Ege University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observes 80 adults with and without diabetes to see how long-term blood sugar control (measured by HbA1c) affects brain oxygen levels during urologic surgery. Researchers use a special light device (NIRS) to measure brain oxygen and track recovery after surgery. The goal is to understand the relationship between blood sugar management and brain health during anesthesia.

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 80 people

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

Started

Nov 2025

Expected to finish

Mar 2027

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 scheduled for elective urologic surgery under general anesthesia at a single tertiary university hospital will be included. The study population consists of patients with diabetes mellitus with different levels of glycemic control and non-diabetic control patients. Participants will be grouped according to preoperative HbA1c levels.

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: * Age ≥18 years * Patients scheduled for elective urologic surgery under general anesthesia * ASA physical status I-III * Patients with diabetes mellitus or non-diabetic control patients * Availability of preoperative HbA1c measurement * Written informed consent obtained Exclusion Criteria: * Age \<18 years * ASA physical status \>III * Emergency surgery * History of cerebrovascular disease or neurological disorder * Previous brain or neurological surgery * Inability to communicate or refusal to participate * Intraoperative hemodynamic instability * Inadequate NIRS monitoring data

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Conditions

The condition(s) this trial relates to.

diabetes mellitus

As listed by the trial registrant

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

Anesthesia Cerebral oxygenation Diabetes mellitus Glycemic control

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

  • Ege University Faculty of Medicine Hospital

    RECRUITING

    Izmir, 35100, Turkey (Türkiye)

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