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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:21 PM EDT

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Showing 49–72 of 146 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Bright Light Therapy Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Facilitating Adjustment to Simulated Jet Lag

NCT05382923
View directory record Official record
Conditions
Circadian Rhythm Sleep Disorder, Jet Lag Type
Interventions
Bright Light, Bright Light + Exercise + Melatonin, Control
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 45 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 17, 2026, 11:21 PM 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 17, 2026, 11:21 PM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes REst for Metabolic Health

NCT06627504
View directory record Official record
Conditions
Type 1 Diabetes (T1D), Sleep Health
Interventions
Sleep Health and Circadian Timing Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 19 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Results available

Are Bright Lights and Regulated Sleep Effective Treatment for Depression?

NCT03010488
View directory record Official record
Conditions
Sleep Phase Rhythm Disturbance, Sleep Deprivation
Interventions
Morning Light Therapy, Assigned Sleep Times, Goggles
Behavioral · Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Results available

Light Therapy Treatment in Parkinson's Disease Patients With Daytime Somnolence

NCT01338649
View directory record Official record
Conditions
Parkinson's Disease, Sleep Disorder; Excessive Somnolence
Interventions
Bright Light Treatment (Sun Ray Sunbox SB-558), Dim red light (Sun Ray Sunbox SB-558)
Device
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 17, 2026, 11:21 PM EDT
Terminated Not applicable Interventional Results available

Blue and Amber Light Exposure in Patients With Rectal and Pancreatic Cancer

NCT06164691
View directory record Official record
Conditions
Pancreatic Neoplasms, Rectal Neoplasms
Interventions
Blue light, Amber light, Ambient White Light
Device · Other
Lead sponsor
Matthew Neal MD
Other
Eligibility
19 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Oct 17, 2026, 11:21 PM 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 17, 2026, 11:21 PM EDT
Terminated Not applicable Interventional Results available

Bright Light Therapy for Depression Symptoms in Adults With Cystic Fibrosis (CF) and COPD

NCT04921332
View directory record Official record
Conditions
Cystic Fibrosis, Depressive Symptoms, Chronic Obstructive Pulmonary Disease
Interventions
Bright Light Therapy (BLT) Lamp
Device
Lead sponsor
Erica Osborn
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2023 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Artificial Intelligence in Colonoscopy

NCT06621225
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 17, 2026, 11:21 PM 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 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional

A Pilot Test of Mood and Circadian Rhythm Mechanisms Driving Binge Eating

NCT03680989
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction of Melatonin With MTNR1B Genotype on Glucose Control - Study 2

NCT03464084
View directory record Official record
Conditions
Glucose, Circadian Rhythm, Melatonin, Genes, Light
Interventions
placebo, melatonin, bright light, dim light
Drug · Dietary Supplement · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional

Clinical Trials of Three Non-Drug Treatments for Winter Depression (SAD)

NCT00006517
View directory record Official record
Conditions
Seasonal Affective Disorder, Mood Disorders, Depression
Interventions
bright light box, dawn simulator, high-output negative ion generator, low-output negative ion generator, dawn light pulse
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2004
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 17, 2026, 11:21 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Peri-operative Application of Eyeprotx General Anesthesia Goggles As Prevention Against Corneal Injury Post Intubation.

NCT03762889
View directory record Official record
Conditions
Corneal Injuries
Interventions
Eyeprotx™ General Anesthesia Protective Goggles, Eyelid Tape, Eye Ointment
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 17, 2026, 11:21 PM EDT
Recruiting Phase 2 Interventional

Bright White Light Therapy in Reducing Cancer-Related Fatigue and Depression in Advanced Prostate Cancer Patients Undergoing Treatment With ADT Combination Therapy

NCT05869682
View directory record Official record
Conditions
Advanced Prostate Carcinoma, Metastatic Prostate Carcinoma, Prostate Carcinoma, Stage III Prostate Cancer AJCC v8, Stage IV Prostate Cancer AJCC v8
Interventions
Bright White Light Therapy, Combination Drug Therapy, Electronic Health Record Review, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
60 Years and older · Male only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Recruiting Not applicable Interventional

Fibromyalgia Sleep A to ZZZ Study

NCT06567886
View directory record Official record
Conditions
Fibromyalgia
Interventions
Light Therapy, Sleep Stabilization
Device · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Results available

Personalized Integrated Chronotherapy for Perinatal Depression

NCT04364646
View directory record Official record
Conditions
Depression, Postpartum Depression, Prenatal Disorder, Circadian Dysregulation, Pregnancy Related, Sleep Disturbance
Interventions
Personalized Integrated Chronotherapy
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
3
States / cities
Glen Oaks, New York • Chapel Hill, North Carolina • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 17, 2026, 11:21 PM EDT
Recruiting Not applicable Interventional

Light Therapy to Improve Sleep in TBI: Sleep-active Biomarkers and Glymphatic Function

NCT07601841
View directory record Official record
Conditions
Sleep, Phototherapy, Glymphatic System, Mitochondrial Dynamics, Brain Injuries, Traumatic, Inflammation
Interventions
Morning Bright Light Therapy, Negative Ion Generator Therapy
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Light and Sleep Fragmentation

NCT06009289
View directory record Official record
Conditions
Sleep, Mild Cognitive Impairment, Mood Disorders
Interventions
Light therapy
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
65 Years to 99 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2023 · Synced Oct 17, 2026, 11:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Noradrenergic Dysregulation, Sleep and Cognition in Older Adults With Insomnia

NCT06694441
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional

Adjunctive Bright Light Therapy for Opioid Use Disorder

NCT05459922
View directory record Official record
Conditions
Opioid Use Disorder, Sleep Disturbance
Interventions
Wearable bright light therapy device, Wearable placebo light therapy device
Device
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Morning Light Treatment to Improve Glucose Metabolism

NCT03188263
View directory record Official record
Conditions
PreDiabetes, Circadian Dysregulation
Interventions
Bright Light, Dim Light
Other
Lead sponsor
Northwestern University
Other
Eligibility
35 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2021 · Synced Oct 17, 2026, 11:21 PM EDT
Completed Not applicable Interventional Results available

Pilot Trial of Phototherapy for Acute Depression in Hospitalized Cystic Fibrosis Patients

NCT01822197
View directory record Official record
Conditions
Depression, Cystic Fibrosis
Interventions
Phototherapy
Device
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Oct 17, 2026, 11:21 PM 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 17, 2026, 11:21 PM EDT