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Bright Light Therapy for Non-motor Symptoms in Parkinson's Disease

NCT05524961 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 69

Last updated 2026-03-20

No results posted yet for this study

Summary

This is a randomized placebo- and active-controlled trial for assessing the efficacy of bright light therapy for sleep and mood symptoms in patients with Parkinson's disease

Conditions

  • Parkinson Disease

Interventions

DEVICE

Bright light therapy

Regularly-timed exposure to 10,000lux bright light therapy for 60minutes a day for six weeks

DEVICE

Inactivated negative ion generator

Regularly-timed exposure to an inactivated negative ion generator for 60minutes a day for six weeks

DEVICE

Inactivated negative ion generator

Randomly-timed exposure to an inactivated negative ion generator for 60minutes a day for six weeks

Sponsors & Collaborators

  • Chinese University of Hong Kong

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-12-09
Primary Completion
2025-10-03
Completion
2026-01-30

Countries

  • Hong Kong

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05524961 on ClinicalTrials.gov