How light affects sleep and circadian rhythms in Parkinson's disease

Retinal Determinants of Circadian Function and Sleep-Wake Cycles in Parkinson's Disease

['FUNDING_R01'] · MASSACHUSETTS GENERAL HOSPITAL · NIH-10912809

This study is looking at how light affects sleep patterns in people with Parkinson's disease by examining special cells in the eye, and it aims to help us understand why sleep can be tricky for those with this condition.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorMASSACHUSETTS GENERAL HOSPITAL (nih funded)
Locations1 site (BOSTON, UNITED STATES)
Trial IDNIH-10912809 on ClinicalTrials.gov

What this research studies

This research investigates how the circadian system, which regulates sleep and wake cycles, is affected in patients with Parkinson's disease (PD). It focuses on the role of specific retinal cells that respond to light and their impact on sleep patterns. By studying different groups of PD patients, the research aims to understand the relationship between light exposure, circadian rhythms, and sleep disturbances. The project will utilize non-invasive techniques to measure how these retinal cells function in relation to sleep and circadian behavior.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals diagnosed with Parkinson's disease, particularly those experiencing sleep disturbances.

Not a fit: Patients with sleep disorders not related to Parkinson's disease may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for sleep disturbances in Parkinson's disease, enhancing patients' quality of life.

How similar studies have performed: Previous research has shown promising results with light therapy in improving sleep in Parkinson's disease, suggesting that this approach may be effective.

Where this research is happening

BOSTON, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.