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A study of Japanese translation and reliability evaluation of the Primary Lateral Sclerosis Functional Rating Scale (PLSFRS) for Primary Lateral Sclerosis (PLS)

A study of Japanese translation and reliability evaluation of the Primary Lateral Sclerosis Functional Rating Scale (PLSFRS) for Primary Lateral Sclerosis (PLS) - PLS validation study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000044814
Enrollment
13
Registered
2021-07-10
Start date
2021-07-10
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Lateral Sclerosis

Interventions

None listed

Sponsors

Toho University Omori Medical Center
Lead Sponsor
Department of Neurology, Fukushima Medical University School of Medicine, Fukushima, Japan. Rehabilitation Center, Jichi Medical University Hospital, Shimotsuke, Japan. Department of Neurology, Tokyo Metropolitan Neurological Hospital, Tokyo, Japan. Department of Neurology, Nagoya University Graduate School of Medicine, Nagoya, Japan. Department of Neurology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Upper motor neuron dysfunction of unknown cause are observed in at least two of the three regions of cranial nerves, upper limbs, and lower limbs regardless of the duration of illness, and needle electromyography shows normal or active lower motor neuron lesions. Patients meet all of the following. 1) Japanese is the first language. 2) You can sign the consent form. If you cannot sign due to weakness of the upper limbs, or if you cannot answer due to dysarthria, the signature of their substitute is acceptable. 3) Age at diagnosis is 20 years or older 4) No family history or consanguineous marriage.

Exclusion criteria

Exclusion criteria: 1) If you have cognitive decline or deafness including their substitute. 2) When the researchers decide that he/she cannot express his/her intention accurately. 3) If you do not agree to this study. 4) In cases of death during the course 5) When the researchers judge inappropriate.

Design outcomes

Primary

MeasureTime frame
We evaluate consistency of scores between evaluators, intra-rater reliability, face-to-face consultation, and telephone listening for all 12 items of PLSFRS and their total scores.

Countries

Japan

Contacts

Public ContactMasaru Yanagihashi

Toho University Faculty of Medicine Department of Neurology

masaru.yanagihashi@med.toho-u.ac.jp0337624151

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026