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Light Therapy

Light Therapy for PD - Dose Selection

N/A
Waitlist Available
Research Sponsored by Massachusetts General Hospital
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 8 weeks
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing different doses of light therapy to help people with Parkinson's Disease sleep better. Participants will receive either bright-white or dim-red light at different times. The goal is to find out which type and timing of light works best to improve sleep. Bright light therapy has been explored for daytime sleepiness in patients with Parkinson's Disease and may also be useful for insomnia.

Eligible Conditions
  • Parkinson's Disease
  • Dementia
  • Sleep Disorders
  • Fatigue

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~8 weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and 8 weeks for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
PDSS-2
Secondary study objectives
PFS-16

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

4Treatment groups
Experimental Treatment
Group I: DRLT twice dailyExperimental Treatment1 Intervention
Participants in this arm will receive dim red light twice daily (morning and evening).
Group II: BWLT weeklyExperimental Treatment1 Intervention
Participants in this arm will receive bright white light therapy once weekly (in the evening).
Group III: BWLT twice dailyExperimental Treatment1 Intervention
Participants in this arm will receive bright white light therapy daily twice a day (morning and evening).
Group IV: BWLT once dailyExperimental Treatment1 Intervention
Participants in this arm will receive bright white light therapy daily once a day (in the evening)

Find a Location

Who is running the clinical trial?

Massachusetts General HospitalLead Sponsor
3,023 Previous Clinical Trials
13,317,805 Total Patients Enrolled
~27 spots leftby Dec 2025
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