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Ultrasound may help doctors better diagnose piriformis syndrome

NCT ID NCT06783439

Knowledge-focused Sponsor: Istanbul University - Cerrahpasa 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 used ultrasound to measure the thickness of the piriformis muscle and sciatic nerve in 19 people with piriformis syndrome, comparing the painful side to the pain-free side. The goal was to see if ultrasound can help tell whether the pain comes more from muscle or nerve issues. The findings could improve how doctors diagnose this common cause of hip and leg pain.

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

19 people

The number who actually took part.

Started

Dec 2024

Finished

Apr 2025

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

Patients aged between 18 and 70 years with unilateral hip and/or leg pain, positive FAIR (flexion, adduction, internal rotation) test, and tenderness to palpation in the PM will be included in our study.

Ages

18 to 70 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: * Patients aged between 18 and 70 years with unilateral hip and/or leg pain * Positive FAIR (flexion, adduction, internal rotation) test * Tenderness to palpation in the Piriformis muscle Exclusion Criteria: * Patients with a history of previous surgery involving the lumbar and/or hip region * A history of malignancy or infection in the pelvic region * Body mass index (BMI) Greater than 30 kg/m2 * Psychiatric diseases * Vascular disease * Uncontrolled diabetes, hypertension or heart failure, * Disc pathologies that may cause radiculopathy * History of rheumatic disease.

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Conditions

The condition(s) this trial relates to.

piriformis syndrome sciatica

As listed by the trial registrant

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

Piriformis muscle syndrome Sciatica

Contacts and locations

Locations

  • İstanbul Üniversitesi - Cerrahpasa (IUC)

    Istanbul, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.