Official Title

A Dose Selection Trial of Light Therapy for Impaired Sleep in Parkinson’s Disease

Purpose

This study is being done to find out if light therapy can help people with Parkinson’s disease (PD) who experience difficulties with their sleep. We also want to find out if light therapy is safe and does not cause too many side effects. If you qualify to join, it will take you about 4 months to complete this research study. During this time, we will ask you to make 5 study visits to The Ohio State University and complete 3 phone calls.

Could this study be right for you?

Inclusion Criteria: 1) Diagnosis of idiopathic PD 2) Stable dose of all PD medications for at least 30 days prior to randomization 3) Willingness to wear an Actiwatch and complete daily sleep logs Exclusion Criteria 1) Presence of moderate depression 2) Co-existent significant sleep apnea 3) Co-existent symptomatic restless legs syndrome (RLS) 4) Cognitive impairment 5) Pregnant women Further inclusion/exclusion criteria exists

Age Range

45 and up