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Customizing breathing machines during surgery may help lungs recover faster

NCT ID NCT07345650

Knowledge-focused Sponsor: Yeditepe 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Updated 1 time

Summary

This study tests whether adjusting the breathing machine's pressure to each patient during laparoscopic bariatric surgery can prevent lung collapse and improve oxygen levels. Forty adults with obesity will be randomly assigned to either a fixed pressure or a pressure tailored to their lung stiffness. Researchers will measure lung function during and after surgery using ultrasound and blood tests.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
personalized positive end-expiratory pressure (PEEP) via ventilator
What this could lead to
If it works, this could point toward a simple way to reduce lung complications after weight-loss surgery.
What could go wrong
This is a small, early study with only 40 people, so results may not apply to everyone. The benefit may be small or not seen at all.

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

40 people

The number who actually took part.

Started

Dec 2024

Expected to finish

Apr 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.

Who is studied

The study population consisted of adult women and men aged 18 to 65 years who were scheduled for elective laparoscopic bariatric surgery. Eligible participants had an American Society of Anesthesiologists (ASA) physical status of I-III and a body mass index (BMI) greater than 30 kg/m². All participants provided written informed consent prior to enrollment. Patients were excluded if they were younger than 18 years or older than 65 years, were not scheduled for bariatric surgery, had an ASA physical status of IV-V, or a BMI less than 30 kg/m². Additional exclusion criteria included refusal or inability to provide informed consent; a history of chronic obstructive pulmonary disease (COPD) classified as GOLD stage III or IV; severe or uncontrolled bronchial asthma; severe restrictive lung disease; a history of pulmonary metastases or previous thoracic surgery; the requirement for preoperative thoracic drainage; the need for preoperative renal replacement therapy; and congestive heart fail

Ages

18 to 65 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 women and men aged 18 to 65 years Scheduled for elective laparoscopic bariatric surgery American Society of Anesthesiologists (ASA) physical status I-III Body mass index (BMI) \> 30 kg/m² Provision of written informed consent Exclusion Criteria: Age \< 18 years or \> 65 years Not scheduled for bariatric surgery ASA physical status IV-V Body mass index (BMI) \< 30 kg/m² Refusal or inability to provide inHistory of Chronic Obstructive Pulmonary Disease (GOLD III and IV) History of severe/uncontrolled bronchial asthma Severe restrictive lung disease History of pulmonary metastases History of thoracic surgery Requiring preoperative thoracic drainage Requiring preoperative renal replacement therapy Congestive heart failure (NYHA Class III and IV)

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder Pulmonary Atelectasis

As listed by the trial registrant

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

Atelectasis, postoperative Individualized peep Obesity (body mass index >30 KG/M2) Peep with dynamic compliance

Contacts and locations

Locations

  • Yeditepe University

    Istanbul, Atasehir, Turkey (Türkiye)

More trials for these conditions

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