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Can ultrasound reveal hidden breathing weakness in Parkinson's?

NCT ID NCT07308795

Knowledge-focused Sponsor: Istanbul Physical Medicine Rehabilitation Training and Research Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 uses ultrasound to measure the thickness of abdominal breathing muscles in people with Parkinson's disease. Researchers want to see if muscle thickness is linked to disease severity and how strong a person's exhale is. The study will include 36 Parkinson's patients at different stages. It does not test any new drug or treatment.

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 could help doctors better understand breathing problems in Parkinson's and possibly lead to new ways to monitor or treat them.
What could go wrong
This is a small, early observational study with only 36 people. It does not test any treatment, so it cannot directly improve patient care.

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 36 people

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

Started

Dec 2025

Expected to finish

Apr 2026

An estimate. End dates often move.

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.

Who is studied

THE GROUP WITH PARKINSON'S DIAGNOSIS AND HOEHN YAHR STAGE 1-2-3

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: * Age \> 18 years * Parkinson's disease diagnosis with Modified Hoehn and Yahr stages 1-2-3 * Mini-Mental State Examination (MMSE) score \> 23 * Body Mass Index (BMI) \< 30 Exclusion Criteria: * Active smokers * Individuals with a diagnosis of active chest disease * Those with hemodynamic instability * Individuals with unstable vital signs * Parkinson's patients who cannot be controlled with medical treatment * Parkinson Plus syndromes

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Conditions

The condition(s) this trial relates to.

Parkinson disease

As listed by the trial registrant

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

Abdominal accessory respiratory muscle thickness Maximum expiratory pressure Maximum inspiratory pressure Parkinson disease (PD)

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

  • İstanbul Fizik Tedavi Ve Rehabilitasyon Eğitim Ve Araştirma Hastanesi

    RECRUITING

    Istanbul, BAHÇELİEVLER, 34180, Turkey (Türkiye)

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