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Can ultrasound reveal hidden breathing muscle problems after stroke?

NCT ID NCT07670585

Knowledge-focused Sponsor: Marmara 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 will use ultrasound to measure the thickness and movement of breathing muscles between the ribs in 65 stroke patients. Researchers will compare the affected and unaffected sides and see how these measurements relate to breathing strength, movement, balance, and quality of life. A healthy control group will provide normal values for comparison. The goal is to better understand how stroke affects breathing muscles.

What this could mean

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

What this could lead to
If successful, this study could help doctors better understand breathing muscle changes after stroke and guide future rehabilitation strategies.
What could go wrong
This is an early observational study with only 65 participants, so results may not apply to all stroke patients. It does not test any treatment.

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 65 people

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

Expected to start

Jul 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.

Who is studied

Adults with a history of ischemic or hemorrhagic stroke attending the outpatient Physical Medicine and Rehabilitation clinic of Marmara University, and age-eligible healthy volunteers recruited as controls.

Ages

18 to 75 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 (Stroke Group): * Age between 18 and 75 years. * History of ischemic or hemorrhagic stroke. * Ability to understand and comply with study procedures. * Provision of written informed consent. Exclusion Criteria (Stroke Group): * Presence of acute or chronic pulmonary disease. * History of thoracic or abdominal surgery. * Presence of another neuromuscular disorder. * Aphasia or cognitive impairment preventing participation in assessments. * Active malignancy. Inclusion Criteria (Healthy Control Group): * Age between 18 and 75 years. * Willingness to participate in the study. * Provision of written informed consent. Exclusion Criteria (Healthy Control Group): * History of stroke or other neurological disorders. * History of chronic respiratory disease (e.g., COPD, asthma). * Chest wall deformity. * Presence of systemic diseases that may affect muscle function.

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Conditions

The condition(s) this trial relates to.

stroke disorder

As listed by the trial registrant

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

Stroke

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

  • Marmara Üniversitesi Tıp Fakültesi

    Istanbul, Maltepe, 34854, Turkey (Türkiye)

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