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Bed angle may change how your lungs move, study finds

NCT ID NCT07351201

Knowledge-focused Sponsor: Ankara Etlik City Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how raising the head of the bed changes lung movement in 31 healthy adults aged 18 to 60. Researchers used a painless ultrasound to measure lung sliding at three different bed angles: flat, 20 degrees, and 40 degrees. The goal is to help doctors position patients with breathing problems more safely in emergency and intensive care settings.

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

31 people

The number who actually took part.

Started

Jan 2026

Finished

Feb 2026

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 60 years

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: * Healthy adult volunteers aged eighteen to sixty years. * No history of acute or chronic respiratory disease. * Body mass index between eighteen point five and twenty-nine point nine kilograms per square meter. * Ability to understand the study procedures and provide written informed consent. * No skin lesions or wounds at the chest wall that would interfere with lung ultrasound examination. Exclusion Criteria: * History of respiratory system diseases, including asthma, chronic obstructive pulmonary disease, bronchiectasis, pneumonia, or tuberculosis. * Presence of chest wall deformities (such as kyphoscoliosis or pectus deformities) or history of thoracic surgery. * Inability to tolerate position changes during the study, including development of dizziness, syncope, or shortness of breath. * Pregnancy or breastfeeding. * Known significant cardiac, neurological, or metabolic disease. * Known allergy to ultrasound gel or latex.

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As listed by the trial registrant

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

Healthy

Contacts and locations

Locations

  • Ankara Etlik City Hospital

    Ankara, Yenimahalle, 06170, Turkey (Türkiye)

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