Validity and reliability of the OMERACT knee ultrasound score in Turkish adults with knee osteoarthritis

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is an observational validation project at a single center that applies the OMERACT standardized ultrasound protocol to people with knee osteoarthritis. Each participant undergoes a diagnostic ultrasound of both knees (about 8–10 minutes) to record synovial hypertrophy, effusion, power Doppler signal, and osteophytes. The study will compare ultrasound scores with clinical and radiographic findings and measure inter- and intra-rater reliability of the Turkish implementation. Common exclusions include inflammatory arthritis, recent intra-articular injections, prior major knee surgery, acute knee injury, and severe deformity that prevents ultrasound.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Adults aged 45 years and older
* Patients diagnosed with knee osteoarthritis clinically or radiographically
* Being in a clinical condition that allows tolerance of ultrasound evaluation of both knees
* Being able to provide written informed consent for participation in the study
* Having sufficient cognitive ability to understand Turkish forms and scales

Exclusion Criteria:

* Diagnosis of inflammatory arthritis (rheumatoid arthritis, psoriatic arthritis, gout, CPPD, etc.)
* Intra-articular injection into the knee joint within the last 6 months (corticosteroid, hyaluronic acid, PRP, etc.)
* Previous major knee surgery (total knee replacement, major ligament reconstruction, etc.)
* Acute pathology that has developed within the last 6 weeks, such as acute trauma/fracture/ligament injury
* Severe deformity or severe movement restriction that technically prevents ultrasound examination
* Active infection/systemic febrile condition
* Neurological disease causing motor or sensory deficit in the lower extremities
* Use of Gabapentinoid/SNRI/SSRI due to fibromyalgia or psychiatric illness
* Severe cognitive impairment or communication problems that would prevent participation in the study
* Pregnancy
* Subjects who have been informed about the study and refuse to participate

Where it's running

• Izmir Democracy University
  Izmir, İzmir, Turkey (Türkiye) Recruiting

Study contacts

• Study coordinator: Kadir Songür, Assoc. Prof.
• Email: kadir.93@gmail.com
• Phone: +905054529231

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.