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ClinicalTrials.gov public records Last synced Sep 28, 2026, 2:11 AM EDT

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Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Diabetic Neuropathy, Painful, Diabetic Neuralgia, Diabetic Polyneuropathy, Diabetic Mononeuropathy
Interventions
infrared light, infrared light; placebo
Device
Lead sponsor
East Bay Institute for Research and Education
Other
Eligibility
18 Years to 85 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Martinez, California
Conditions
Myocardial Ischemia, Critical Illness, Endothelial Dysfunction
Interventions
Day Light, Placebo light, ICU Intense Light, ICU Placebo light
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Unipolar Depression
Interventions
Bright light therapy, dim red light
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
60 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Corneal Crosslinking in Keratoconus and Corneal Ectasia

NCT00679666
Conditions
Progressive Keratoconus, Corneal Ectasia
Interventions
Riboflavin, Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Columbus, Ohio • Dublin, Ohio
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Light Exposure on Cognitive Function in Classrooms

NCT06325150
Conditions
Healthy
Interventions
Light emitting glasses
Device
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
East Lansing, Michigan
Conditions
Sedentary Lifestyle, Blood Pressure, Arterial Stiffness, Overweight and Obesity
Interventions
Blueberry Plus Exercise (BB-EX), Blueberry Placebo Plus Exercise (P-EX)
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Not listed Not applicable Interventional Accepts healthy volunteers

Lutein Supplementation in Healthy Children

NCT05314647
Conditions
Eye Fatigue, Diet, Healthy, Cognitive Change
Interventions
lutein, placebo
Dietary Supplement
Lead sponsor
Northcentral University
Other
Eligibility
8 Years to 16 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Des Moines, Iowa
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Morning Light Exposure on Mood

NCT05616819
Conditions
Suicidal Ideation, Regulation, Emotion
Interventions
Active light exposure, Placebo light exposure
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 60 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Sleep Disorders, Circadian Rhythm
Interventions
Melatonin, Methylxanthine, Light Therapy
Drug · Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boulder, Colorado
Conditions
Gait Disorders, Neurologic, Parkinson Disease
Interventions
David Delight Plus Device, Sham Therapy
Device · Other
Lead sponsor
Emory University
Other
Eligibility
50 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Chemotherapy-induced Peripheral Neuropathy
Interventions
photobiomodulation, Sham treatment, Physiotherapy
Device · Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Autism Spectrum Disorder
Interventions
Transcranial Photobiomodulation (tPBM), Placebo/ Sham
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 59 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue

NCT05596474
Conditions
Health Care Utilization, Healthy Aging
Interventions
Beet-root juice, red-light therapy, Placebo, sham light
Dietary Supplement · Radiation
Lead sponsor
Wake Forest University
Other
Eligibility
65 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Phase 1 Interventional Accepts healthy volunteers

Bright Light: A Novel Treatment for Anxiety

NCT01064700
Conditions
Anxiety, Depression, Sleep
Interventions
Litebook Bright Light Box, Litebook inactivated negation ion generator (the placebo)
Device
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Columbia, South Carolina