Observational Study on "Functional Overlay" in Patients With Movement Disorders

Recruiting now

Conditions studied: Conversion Disorder, Parkinson Disease, Tremor, Dystonia

In brief

The goal of this observational study is to learn about functional neurological disorders in patients with common non-functional movement disorders ("functional overlay"). The main questions it aims to answer are: * What is the frequency of functional neurological disorders in patients with non-functional movement disorders (functional overlay)? * What are the characteristics of functional neurological disorders in patients with non-functional movement disorders? Participants will be examined clinically and electrophysiologically, the examinations consist of: * a neurological examination * neuropsychological testing * electrophysiological tremor diagnostic * questionnaires about psychological, biological and social risk factors Researchers will compare patients with functional motor disorders to patients wit non-functional movement disorders to see if they differ from each other regarding the functional symptoms.

Key facts

Study ID

NCT05943652

Run by

Medical University of Graz

People needed

216

Starts

2023-01-01

Expected to finish

2026-06-30

Last updated by the study team

2025-09-29

Who can join

Age: 18 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Functional or non-functional movement disorder
• 18 to 80 years

You may not qualify if…

• Patient is not able to consent
• Patient is not able to understand / speak German fluently (questionnaires are available only in German)

Where it is running

• Medical University of graz — Graz, Styria, Austria (enrolling)

Full record on ClinicalTrials.gov

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