- Conditions
- Photophobia, Traumatic Brain Injury, Migraine
- Interventions
- Pupillography, Ocular Coherence Tomography (OCT), Wrist-watch sensor device, Videography, Electrophysiology
- Device
- Lead sponsor
- Randy Kardon
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2028
- U.S. locations
- 1
- States / cities
- Iowa City, Iowa
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 62
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Colorectal Carcinoma
- Interventions
- Artificial Intelligence, Mucosal Exposure Device
- Device
- Lead sponsor
- Pankaj Patel
- Other
- Eligibility
- 75 Years and older
- Enrollment
- 264 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Sebring, Florida
- Conditions
- Sleep
- Interventions
- Light
- Behavioral
- Lead sponsor
- Palo Alto Veterans Institute for Research
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Palo Alto, California
- Conditions
- Diabetes Mellitus, Type 2, Time Restricted Feeding, Light; Therapy, Complications
- Interventions
- No change in meal timing, No change in light exposure, Early Time-Restricted Feeding, Timed Light Therapy
- Behavioral
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 30 Years to 80 Years
- Enrollment
- 190 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- 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
- Conditions
- Circadian Rhythm, Pupillometry, Sleep
- Interventions
- Ocular light exposure from portable light box
- Other
- Lead sponsor
- Elizabeth B Klerman MD PhD
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2027 – 2035
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Brain Tumor
- Interventions
- Bright Light Exposure, Dim Light Exposure, Cognitive Assessment
- Behavioral · Other
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Primary Open Angle Glaucoma
- Interventions
- Life Space Questionnaire, Low Luminance Questionnaire, Contrast sensitivity under dim illumination, Visual field under dim illumination (MAIA), Macular Pigment Optical Density (MPOD), Dark Adaptation
- Diagnostic Test
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 18 Years to 100 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Circadian Rhythm Disorders, Sleep
- Interventions
- Bright Light
- Other
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- Not listed
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Lung Cancers
- Interventions
- bright light
- Other
- Lead sponsor
- Henry Ford Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Knee Osteoarthristis
- Interventions
- Cognitive-Behavioral Therapy for Insomnia, Bright Light therapy via the Re-Timer®, Negative Ion exposure via IonMi Device, Sleep / Knee Osteoarthritis Education
- Behavioral · Device
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 252 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2029
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Chestnut Hill, Massachusetts
- Conditions
- Stage, Breast Cancer
- Interventions
- Brief behavioral treatment for insomnia and bright light, treatment as usual
- Behavioral
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years to 85 Years · Female only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Traumatic Brain Injury, TBI, Sleep
- Interventions
- Bright White Light (BWL), Red Light (RL)
- Device
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 131 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2017
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Insomnia
- Interventions
- Light Exposure, Placebo
- Other
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2029
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Behavioral Responses to Bright Light Therapy in Elders
- Interventions
- exposure to bright light, low luminosity red light
- Other
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Elizabethtown, Pennsylvania
- 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
- Conditions
- Posttraumatic Stress Disorder
- Interventions
- Bright Light Exposure, Negative Ion Generator
- Other
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2019
- U.S. locations
- 1
- States / cities
- Columbia, Arizona
- Conditions
- Pneumonia, Necrotizing Soft Tissue Infection, Intraabdominal Infections, Infection Joint
- Interventions
- Blue Light
- Other
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 144 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Eating Disorder, Binge Eating, Circadian Dysregulation
- Interventions
- Bright Light Exposure, Natural Light Exposure
- Device
- Lead sponsor
- University of Wyoming
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2020
- U.S. locations
- 1
- States / cities
- Laramie, Wyoming
- Conditions
- Sleep
- Interventions
- LED portable light therapy bulb
- Other
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- 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
- Circadian Rhythms
- Interventions
- Simulated jetlag protocol
- Behavioral
- Lead sponsor
- University of Colorado, Boulder
- Other
- Eligibility
- 17 Years to 35 Years
- Enrollment
- 14 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Boulder, Colorado
- Conditions
- Circadian Rhythm Sleep Disorder, Unspecified
- Interventions
- standard light, 10,000 lux bright light, 4 hours, 10,000 lux bright light, 8 hours
- Device
- Lead sponsor
- Yale University
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Concussion, Mild, Post-Concussion Symptoms, Sleep Problems
- Interventions
- mTBI wavelength-1 bright light, mTBI wavelength-2 bright light, HC wavelength-1 bright light, HC wavelength-2 bright light
- Device
- Lead sponsor
- University of Arizona
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 77 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Tucson, Arizona