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Pain block may impact brain oxygen during One-Lung surgery

NCT ID NCT07432230

Knowledge-focused Sponsor: Kayseri City Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at 102 adults having chest surgery where only one lung is used for breathing. Researchers gave some patients a nerve block to reduce pain and measured brain oxygen levels. The goal was to see if the block changes brain oxygen during surgery.

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

102 people

The number who actually took part.

Started

Mar 2025

Finished

Oct 2025

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

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: * Patients aged 18-80 years * With an American Society of Anesthesiologists (ASA) physical status of I-III * Glasgow Coma Scale (GCS) score of 13-15 * Scheduled for thoracic surgery requiring one-lung ventilation Exclusion Criteria: * Patients undergoing emergency surgery * Those younger than 18 years or older than 84 years * Patients with an American Society of Anesthesiologists (ASA) physical status of IV or V * Patients who refused to participate in the study * Those with a history of brain surgery for any reason * Patients with defects in the frontal region preventing placement of near-infrared spectroscopy probes * Patients with distorted thoracic vertebral anatomy for any reason resulting in inadequate ultrasonographic imaging for block performance * Patients with a known allergy to local anesthetics * Patients with neurological disorders such as Alzheimer's disease or dementia * Patients who were illiterate and/or unable to establish effective communication

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As listed by the trial registrant

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

Cerebral desaturation Erector spina plan block Intraoperative analgesic use Near-infrared spectroscopy One lung ventillation (OLV)

Contacts and locations

Locations

  • Kayseri City Hospital

    Kayseri, Kocasinan/KAYSERİ, 38080, Turkey (Türkiye)

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