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Can muscle scans predict breathing trouble in ALS?

NCT ID NCT06841341

Knowledge-focused Sponsor: Jagiellonian 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looks at 80 people with ALS to see if electrical tests (EMG) and ultrasound scans of breathing muscles can predict when they will need breathing support. The goal is to start noninvasive ventilation at the right time. Researchers will also check for links between muscle damage, fatigue, and blood oxygen levels.

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 start breathing support earlier in ALS patients, potentially improving quality of life and survival.
What could go wrong
This is an observational study with only 80 participants, so results may not apply to all ALS patients. It does not test a new 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 80 people

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

Started

Sep 2025

Expected to finish

Jun 2029

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

Participants will be recruited from the neurologic ambulatory and neurologic clinic of Jagiellonian University Medical College in Cracow.

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: * Diagnosis of definite ALS or probable ALS or clinically probable laboratory supported ALS according to revised El Escorial Criteria \[Brooks et al. 2000\] Exclusion Criteria: * Diagnosis of fronto-temporal dementia * Significant cognitive or behavioral deficits of other origin, which may disturb the participation in the study * Medical conditions other than SLA likely to cause respiratory insufficiency, significant changes in the blood gases or SVC * INR (internal normalized ratio) more than 3 (in the last test performed) in patients with history of coagulation disturbances or intake of oral anticoagulants

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Conditions

The condition(s) this trial relates to.

amyotrophic lateral sclerosis respiratory failure

As listed by the trial registrant

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

Amyotrophic lateral sclerosis

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

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Jagiellonian University Medical College, Department of Neurology

    Krakow, Lesser Poland Voivodeship, 31503, Poland

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