NIH-funded research R01 grant

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

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

Funded at Massachusetts General Hospital · NIH-10912809 · Data updated 2026-11-12

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.

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Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital
NIH-funded
Lab location1 site (Boston, United States)
Project startSeptember 1, 2023
Project endMay 31, 2029
Funding year2024
Award (this year)$611,020
NIH project number5R01NS129636-02
Project IDNIH-10912809 on NIH RePORTER

Who could benefit from this research

Could help

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

Less likely to help

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

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.

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 gone: 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

  • Massachusetts General Hospital
    Boston, United States
    Active

Researchers

  • Principal investigator: Videnovic, Aleksandar — Massachusetts General Hospital
  • Study coordinator: Videnovic, Aleksandar

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.