Clinical trial Recruiting at 2 sites Observational Ages 18 and up

Validation of the Polish Fatigue Severity Scale

Official title: Validation of Polish Language Version of Fatigue Severity Scale

Run by Jagiellonian University · NCT06668649 · Data updated 2026-11-12

This study is testing a Polish version of a questionnaire to see how well it measures fatigue in people with multiple sclerosis, ALS, and stroke.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment310 (estimated)
SponsorJagiellonian University
Academic / other
Locations2 sites (Krakow, Lesser Poland Voivodeship and 1 other locations)
StatusRecruiting
StartedNovember 4, 2024
Main results expectedDecember 31, 2026
Study endsMarch 31, 2027
Registry record updatedNovember 8, 2024
Trial IDNCT06668649 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study include individuals diagnosed with multiple sclerosis, amyotrophic lateral sclerosis, ischemic stroke, or healthy controls without conditions that induce abnormal tiredness.

Probably not a fit

Patients with cognitive deficits or behavioral disorders that could interfere with their participation in the study may not benefit from this research.

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

What this trial studies

This study aims to validate the Polish-language version of the Fatigue Severity Scale (pFSS), a tool designed to assess the impact of fatigue on patients' lives, particularly those suffering from multiple sclerosis, amyotrophic lateral sclerosis, and stroke. The pFSS is a nine-item self-report questionnaire that uses a Likert scale to measure fatigue severity. The validation process includes translation by bilingual experts and pretesting on patients to ensure accuracy and reliability. By establishing a validated tool in Polish, the study seeks to improve the assessment of fatigue in Polish-speaking patients with these conditions.

Why it matters

Potential benefit: If successful, this study could enhance the diagnosis and management of fatigue in patients with multiple sclerosis, amyotrophic lateral sclerosis, and stroke, ultimately improving their quality of life.

How similar studies have gone: Previous studies have successfully validated the Fatigue Severity Scale in multiple languages, indicating a strong foundation for this Polish version.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of definite multiple sclerosis or definite, laboratory-supported multiple sclerosis, or definite amyotrophic lateral sclerosis, or probable amyotrophic lateral sclerosis or probable, laboratory supported amyotrophic lateral sclerosis or ischemic stroke or - for healthy controls - lack of diseases, pharmacotherapy or habits, which could induce abnormal tiredness

Exclusion Criteria:

* Presence of cognitive deficits or behavioral disorder, which could disturb participation in the study.

Where it's running

  • Jagiellonian University Medical College, Department of Neurology
    Krakow, Lesser Poland Voivodeship, Poland
    Recruiting
  • Institute of Psychiatry and Neurology
    Warsaw, Poland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.