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New turkish questionnaire aims to better measure Parkinson's movement side effects

NCT ID NCT07023224

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Recruiting now This study
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.
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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 Results may not be published yet.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.
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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

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Status unknown
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First seen Jun 26, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study is translating a questionnaire called the Parkinson's Disease Dyskinesia Scale (PDYS-26) into Turkish and checking if it works well for Turkish-speaking patients. The questionnaire measures how involuntary movements (dyskinesia) affect daily life. Researchers will enroll 130 people with Parkinson's disease who have some dyskinesia. The goal is to provide a reliable tool for doctors and researchers to assess this common side effect in Turkish patients.

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Study facts

What this study's own registry entry says, in plain language.

Participants

About 130 people

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

Started

Nov 2024

Expected to finish

Dec 2025

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

This study was planned as a methodological research. For this purpose, Parkinson's disease patients who applied to Izmir Çiğli Training and Research Hospital Neurology Outpatient Clinic and met the inclusion criteria will be included in the study. Written informed consent will be obtained from individuals who agree to participate in the study. Based on the commonly recommended participant-to-item ratio in validity and reliability studies (typically 5 to 10 participants per item), the sample size was determined as five times the number of items in the 26-item PDYS-26 scale, and a total of 130 patients with Parkinson's disease were included in the study.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Being diagnosed with idiopathic Parkinson's disease * H\&Y stage 1-3 * UPDRS dyskinesia item score ≥1 * Accepting to participate in the study Exclusion Criteria: * Diagnosis of atypical-secondary parkinsonism * Severe musculoskeletal, neurological and/or cardiopulmonary problems that may affect the results of the assessment * Mini Mental State Examination score \< 24

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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.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. 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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  3. 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

  • Bakirçay University Çiğli Regional Education Hospital

    RECRUITING

    Izmir, İ̇zmi̇r, 35000, Turkey (Türkiye)

  • Izmir Bakırçay Univercity

    RECRUITING

    Izmir, 35000, Turkey (Türkiye)

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