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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:29 AM EDT

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Showing 1–24 of 95 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Morning light treatment Clear all
Active, not recruiting No phase listed Observational

Nashville Early Diagnosis Lung Cancer Project

NCT01475500
View directory record Official record
Conditions
Lung Cancer
Interventions
Sputum sample, Pulmonary function tests, Computerized tomography (CT) scan of the chest, Buccal epithelium collection, Nasal brushings, Bronchoscopy, Bronchoalveolar lavage, Blood sample collection, Urine sample, Questionnaire-data collection
Procedure · Radiation · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
55 Years to 80 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

Light Therapy for PD - Dose Selection

NCT04291014
View directory record Official record
Conditions
Parkinson Disease, Sleep Disorder, Fatigue
Interventions
SunRay Light Boxes
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
25
States / cities
Birmingham, Alabama • Phoenix, Arizona • Irvine, California + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Not applicable Interventional

Targeting Insomnia in School Aged Children With Autism Spectrum Disorder

NCT04545606
View directory record Official record
Conditions
Insomnia Chronic, Autism Spectrum Disorder
Interventions
In-Person CBT for insomnia in children with autism, Remote CBT for insomnia in children with autism, Remote sleep hygiene and related education (SHARE) for insomnia in children with autism
Behavioral
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
6 Years to 12 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 15, 2024 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional

Alternative Treatments for Premenstrual Dysphoric Disorder

NCT01799733
View directory record Official record
Conditions
Premenstrual Dysphoric Disorder
Interventions
LWT+AM BWL, EWT+PM BWL
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2022 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional

Bright Light Therapy for Sleep Disturbance in People With Multiple Sclerosis

NCT04054050
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Light therapy
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional

Cognitive-behavioral Therapy vs. Light Therapy for Preventing SAD Recurrence

NCT01714050
View directory record Official record
Conditions
Seasonal Affective Disorder (SAD), Winter Depression, Major Depressive Disorder, Recurrent, With Seasonal Pattern
Interventions
Cognitive-Behavioral Therapy (CBT), Light Therapy (LT)
Behavioral · Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Light Therapy for Obsessive-compulsive Disorder (OCD)

NCT06720090
View directory record Official record
Conditions
OCD
Interventions
Light therapy
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
17 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment

NCT06104280
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Post-Illumination Pupillary Response (PIPR), Polysomnography, Multiple Sleep Latency Test, Ecological Momentary Assessments, Actigraphy, DLMO, Melatonin Suppression Test
Other · Behavioral · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional

Optimized Sleep After Brain Injury: Sleep Hygiene Intervention After Traumatic Brain Injury

NCT02838082
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Sleep Hygiene Protocol, Standard of Care
Behavioral
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Morning Bright Light to Improve Sleep Quality in Veterans

NCT03578003
View directory record Official record
Conditions
Brain Injuries, Traumatic, Post-traumatic Stress Disorder
Interventions
Morning Bright Light Therapy
Other
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Portand, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

TWILIGHT Study: Effect of Light Exposure During Acute Rehabilitation on Sleep After TBI

NCT02214212
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Not applicable Interventional

Phase 2 - Rhythmic Light Therapy for Alzheimer's Disease Patients

NCT05016219
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Circadian-Effective Light, Rhythmic Light, Placebo Light, Placebo Rhythmic Light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
55 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Menands, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

Cognitive Behavioral Therapy and Light Therapy

NCT05337943
View directory record Official record
Conditions
Pulmonary Hypertension, Insomnia, Fatigue
Interventions
CBT-I, Bright Light Therapy
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

Feasibility of Bright Light Therapy on Fatigue, Sleep and Circadian Activity Rhythms in Lung Cancer Survivors

NCT02954809
View directory record Official record
Conditions
Fatigue, Sleep Disturbance, Circadian Dysregulation
Interventions
Morning bright light therapy, Dim light
Device
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

Morning Light Treatment for Traumatic Stress: The Role of Amygdala Reactivity

NCT04117347
View directory record Official record
Conditions
Stress
Interventions
Light therapy A via the Re-Timer®, Light therapy B via the Re-Timer®, Light therapy C via the Re-Timer®
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 21, 2026, 1:29 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Sleep, Sleep-related Outcomes, and Biomarkers in Veterans

NCT03968874
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Light box therapy, Negative Ion Generator
Device
Lead sponsor
Portland VA Medical Center
Federal
Eligibility
18 Years to 88 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Phase 4 Interventional Results available

MoviPrep® Versus GoLYTELY® Bowel Preparation in Hospitalized Patients Undergoing Colonoscopy

NCT05054036
View directory record Official record
Conditions
Bowel Preparation Before Colonoscopy
Interventions
MoviPrep, Golytely
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Bridgeport, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Phase 1Phase 2 Interventional Results available

RAD001 and Neurocognition in PTEN Hamartoma Tumor Syndrome

NCT02991807
View directory record Official record
Conditions
PTEN Gene Mutation, PTEN Hamartoma Tumor Syndrome
Interventions
RAD001, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 45 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Palo Alto, California • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Results available

Bright Light Treatment At Home To Manage Chronic Pain In U.S. Veterans

NCT02373189
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
Bright light
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Phase 1 Interventional

Bright Light on Fatigue in Women Being Treated for Breast Cancer

NCT02658708
View directory record Official record
Conditions
Breast Neoplasms, Breast Cancer, Cancer of Breast, Cancer of the Breast
Interventions
Bright blue-green light using light visor cap, Dim red light using light visor cap, European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire, Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Digital foot candle datalogging light meter (Extech Instrument, Model SDL400), Polysomnography (Easy Ambulatory 2 Cadwell, Kennewick, WA), Horne-Ostberg Morningness-Eveningness Questionnaire, Daily Fatigue and Sleep Log
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
21 Years and older · Female only
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Drug Interactions Between Voriconazole and Atazanavir Coadministered as Atazanavir/Ritonavir in Healthy Participants

NCT00833482
View directory record Official record
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1), HIV Infections
Interventions
Voriconazole, Atazanavir, Ritonavir
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Oct 21, 2026, 1:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Combined Blue and Red Home-Based Light Therapy on Sleep in Adults With Self-Reported Sleep Difficulties

NCT07465250
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Morning Light Exposure on Mood

NCT05616819
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 21, 2026, 1:29 AM EDT
Recruiting Not applicable Interventional

Improving Sleep in Veterans With the Polytrauma Clinical Triad

NCT06477796
View directory record Official record
Conditions
Traumatic Brain Injury, Post-traumatic Stress Disorder, Chronic Pain
Interventions
Morning Bright Light Therapy, Negative Ion Generator
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 89 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 21, 2026, 1:29 AM EDT