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Oxygen flow study aims to boost safety during bladder scope sedation

NCT ID NCT07630038

Knowledge-focused Sponsor: Firat University 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how different rates of high-flow oxygen affect oxygen levels in the blood and brain during sedation for a bladder scope procedure (cystoscopy). About 200 adults will be randomly assigned to receive one of three oxygen flow rates while their breathing and oxygen levels are closely watched. The goal is to find the best oxygen flow to keep patients safe and comfortable during the procedure.

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 200 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

Expected to finish

Oct 2026

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

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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 * Scheduled to undergo elective cystoscopy under procedural sedation in an operating room setting * American Society of Anesthesiologists (ASA) physical status classification I-III * Ability to provide written informed consent Exclusion Criteria: * Known neurological disorders * History of ischemic or hemorrhagic stroke * Peripheral artery disease * Vasculitis * Severe heart failure * Uncontrolled hypertension * Uncontrolled diabetes mellitus * Advanced-stage chronic obstructive pulmonary disease * Severe anemia (hemoglobin \<8 g/dL) * Skin lesions that could interfere with near-infrared spectroscopy (NIRS) measurements * History of head trauma * History of cranial surgery * Nasal deformity or nasal obstruction

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Conditions

The condition(s) this trial relates to.

primary sclerosing cholangitis

As listed by the trial registrant

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

Cerebral oxygenation Deep sedation High flow nasal canula PSI

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

  • Fırat University Faculty of Medicine Hospital

    Elâzığ, Elaziğ, 23100, Turkey (Türkiye)

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