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Ultrasound may reveal hidden muscle strength

NCT ID NCT07647393

Knowledge-focused Sponsor: University of Alcala 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 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 observational study will examine whether ultrasound images of muscles can predict strength in 300 healthy adults aged 18 to 89. Participants will have ultrasound scans of their thigh and forearm muscles, plus strength tests and questionnaires. The goal is to find simple, non-invasive ways to assess muscle health.

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 lead to a simple, non-invasive way to assess muscle strength using ultrasound, helping monitor muscle health in various populations.
What could go wrong
This is an early observational study, not testing a treatment. It may not find strong links between ultrasound measures and strength, limiting its practical use.

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 300 people

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

Expected to start

Jun 2026

An estimate. Start dates often move.

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

Community-dwelling healthy adults aged 18-89 years residing in Spain. Participants will be recruited through community advertisements, institutional dissemination channels, and collaborating centres. The study aims to investigate the relationship between ultrasound-derived muscle biomarkers and isometric quadriceps muscle strength and handgrip in a healthy adult population.

Ages

18 to 89 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 adults aged 18-89 years. * Resident in Spain for at least 5 years. * Living independently in the community and able to complete all study assessments. * Able to understand and follow verbal instructions in Spanish. * Able and willing to provide written informed consent prior to study participation. Exclusion Criteria: * Neurological, musculoskeletal, or systemic disorders affecting muscle strength or mobility. * Recent surgery or acute injury affecting the upper or lower limbs. * Recent use of medications affecting the musculoskeletal system (e.g., systemic corticosteroids for \>1 week during the previous 6 months or muscle relaxants during the previous week). * Cognitive or psychiatric conditions limiting participation. * Pregnancy. * Recent postpartum period (≤3 months after delivery). * Presence of clinically relevant pain, fatigue, physical deconditioning, or functional limitations that may interfere with study procedures or measurement validity. * Acute illness at the time of assessment. * Uncontrolled hypertension (≥140/90 mmHg). * Resting peripheral oxygen saturation ≤90%. * Moderate-to-severe pain (Numeric Rating Scale ≥4/10). * Any medical condition considered by the investigator to contraindicate study participation.

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As listed by the trial registrant

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

Healthy adult Muscle strength Skeletal muscle ultrasound

How to take part

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  1. The official record

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  2. A doctor treating you

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