Ultrasound and EMG may tell inflammatory from mechanical shoulder issues
NCT ID NCT07681999
First seen Jul 02, 2026 · Last updated Aug 12, 2026 · Updated 2 times
Summary
This study compares muscle thickness around the shoulder blade in people with early ankylosing spondylitis (an inflammatory condition) versus those with mechanical shoulder blade movement problems. Researchers use ultrasound and electromyography (EMG) to see if they can tell the two causes apart. The goal is to improve early diagnosis and guide 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 improve early diagnosis of inflammatory versus mechanical causes of shoulder blade movement problems.
- What could go wrong
- This is a small, early-stage observational study. Results may not apply to all patients or lead to a new diagnostic test.
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
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Aug 2026
An estimate. End dates often move.
- Lead sponsor
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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
* The first group: treatment-naïve patients with ankylosing spondylitis (AS), who fulfil the Assessment of Spondylarthritis Society (ASAS) criteria for axial spondyloarthritis (ax-SpA) * The second group (non-AS individuals) : patients complaining of discomfort upon activity.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * treatment-naïve patients with ankylosing spondylitis (AS), who fulfilled the Assessment of Spondylarthritis Society (ASAS) criteria for axial spondyloarthritis (ax-SpA) * Inclusion criterion for the second group (non-AS individuals) was patients complaining of discomfort upon activity. Exclusion Criteria: * The exclusion criteria of the first group included: 1. patients with a history of local trauma 2. and/or surgical intervention, 3. neuromascular deficits, 4. chronic chest disease and 5. other inflammatory autoimmune/rheumatologic conditions. * Exclusion criteria for the second group were: 1. a history of AS or 2. other systemic autoimmune/ rheumatologic disease.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Faculty of medicine, Tanta University
RECRUITINGTanta, Egypt
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