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Can blinking reveal movement difficulties?

This study compares Parkinson's movement scores estimated from blinking with assessments made by neurologists.

Learning by observing or collecting information · Study reference: JPRN-UMIN000051871

Plain-language introduction written with AI from the registry; not independently checked by a clinician. Read the original details below ↓

This registry record was last updated over six months ago, or its update date is missing. Recruitment may have changed. Confirm with the team before making plans.

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Results reported

Start (reported date)
2023-08-01
Study finished (reported date)
2025-03-31

Planned dates can move. A study finishing does not tell us when a paper will be published.

Read the results reported in the registry

Changes we have recorded
  • 2026-10-11 — recruiting

These are dates we observed a change, not necessarily the dates it happened.

Papers connected to this study

No connected paper has been found yet. The tracker checks the growing library for study identifiers and registry-linked publications.

Who can join?

Ages 20years-old to 90years-old · Ask the team who can join

These are starting points, not the full rules. The research team can tell you whether the study is right for your situation.

Read all the rules for taking part

Sex eligibility reported by registry: male and female

Inclusion criteria: (1) Age between 20 and 90 years old at the time of obtaining consent. 2) Patients who have been diagnosed with Parkinson's disease (clinically confirmed or almost clinically certain) according to the "Clinical Diagnostic Criteria for MDS Parkinson's Disease (PD) (2015)". (3) Patients who have received a thorough explanation of their participation in this study, and who have given their free and voluntary written consent based on a thorough understanding of the study. Exclusion criteria: (1) Patients with Parkinson's syndrome other than Parkinson's disease (2) Patients under treatment for dry eye (iii) Patients with cognitive impairment that makes it difficult to conduct the study (4) Patients with any of the following complications Psychiatric disorders (depression, bipolar disorder, schizophrenia, etc.) Other serious complications (cerebrovascular disease, cardiac disease, chronic respiratory disease, uncontrolled hypertension, diabetes mellitus, etc.) (5) Other patients who are deemed inappropriate as research subjects by the principal investigator.
Full study name & original research details

Official study title

A multicenter validation study to create a model to predict Parkinson's disease motor symptom scores from blink information in patients with Parkinson's disease. - A multicenter validation study to create a model to predict Parkinson's disease motor symptom scores from blink information in patients with Parkinson's disease.

Short title used by the registry

A multicenter validation study to create a model to predict Parkinson's disease motor symptom scores from blink information in patients with Parkinson's disease.

Original description

Primary outcome: Concordance between motor symptom scores inferred from blink information and actual MDS-UPDRS Part 3 scores obtained by neurologists. Secondary outcome: Percentage of concordance between dyskinesia estimated from blink information and actual dyskinesia.

Conditions reported: Parkinson disease

Registry records for this study

Records are joined using registration identifiers. Titles alone do not establish that two studies are the same.

Study type
Observational
Interventions
Not reported
Phases
Not applicable
Sponsor
Juntendo University School of Medicine
Start date reported by registry
2023-08-01 (reported)

Registry updated: Not reported · Status last verified by the registry submitter: Not reported

Registry records retrieved 2026-10-11 (UTC). Individual records may have older updates. Recruitment and eligibility must be confirmed with the study team.

Contact the research team

Public study contacts supplied to the registry. Ask whether recruitment is still open and what participation involves.

Noriko Nishikawa · 03-3813-3111 · n.nishikawa.ts@juntendo.ac.jp

Study locations

Site status can differ from overall study status. “Status not reported” means local availability needs confirmation. Remote participation and travel arrangements must be checked with the team.

Facility not reported

Japan

Status not reported

The original descriptions and participation rules come from the registry. Participation is voluntary and does not guarantee benefit.