Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

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.

Clear filters
ClinicalTrials.gov public records Last synced Sep 6, 2026, 2:20 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 146 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Bright Light Clear all
Completed Not applicable Interventional

A Randomized Crossover Trial of Bright Light Therapy in Irritable Bowel Syndrome

NCT06676488
View directory record Official record
Conditions
Irritable Bowel Syndrome (IBS), Circadian Misalignment
Interventions
Re-Timer glasses, Placebo Device
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Terminated Not applicable Interventional Results available

Prevention of Delirium After Bone Marrow Transplantation

NCT01700816
View directory record Official record
Conditions
Delirium
Interventions
Bright light therapy, Sham light
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional

Light Therapy for Obsessive-compulsive Disorder (OCD)

NCT05391503
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Light therapy, Placebo light therapy
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 35 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 6, 2026, 2:20 AM EDT
Recruiting Not applicable Interventional

Sleep and Circadian Interventions for College Students at High Risk of Suicide

NCT07346014
View directory record Official record
Conditions
Sleep Disturbance, Sleep, Depression, Suicide
Interventions
Sleep Feedback + Psychoeducation, Transdiagnostic Sleep and Circadian Intervention + Bright Light (TSC+), Triple Chronotherapy (TCT+)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Light Therapy for Depression in Adolescent Outpatients

NCT05823090
View directory record Official record
Conditions
Depression, Adolescent - Emotional Problem
Interventions
light box (Carex DayLight Classic Model)
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
12 Years to 18 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 6, 2026, 2:20 AM EDT
Recruiting Not applicable Interventional

Green Light for Post-Operative Wellness

NCT07218289
View directory record Official record
Conditions
Surgery
Interventions
Bright Green Light Therapy, Dim White Light Therapy
Device
Lead sponsor
Rebecca E Kotcher, MD
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional Results available

A Non-Pharmacological Method for Enhancing Sleep in PTSD

NCT02370173
View directory record Official record
Conditions
PTSD, Sleep Problems
Interventions
PTSD wavelength-1 bright light, PTSD wavelength-2 bright light
Device
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Sep 6, 2026, 2:20 AM 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 2, 2026 · Synced Sep 6, 2026, 2:20 AM 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 27, 2023 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Phase 1 Interventional

Safety and Feasibility Study of Methylene Blue Photodynamic Therapy to Sterilize Deep Tissue Abscess Cavities

NCT02240498
View directory record Official record
Conditions
Abscess
Interventions
Methylene Blue, 20% I.V. Fat Emulsion, Insertion of optical fiber, Laser illumination, 5 minutes, Laser illumination, 10 minutes, Laser illumination, 15 minutes, Laser illumination, 20 minutes, Laser illumination, 25 minutes, Laser illumination, 30 minutes, Optical spectroscopy measurement
Drug · Device
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 6, 2026, 2:20 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 26, 2025 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of Photic and Non-photic Time Cues in Resetting Circadian Rhythms

NCT05276739
View directory record Official record
Conditions
Light Exposure, Meal Timing
Interventions
Bright Light, Time-restricted eating, Dim light, 12-h meal window
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Recruiting Not applicable Interventional

Feasibility of Light Therapy in the Pediatric Intensive Care Unit (ICU)

NCT07384585
View directory record Official record
Conditions
Circadian Dysregulation, Light Exposure, Pediatric Critical Illness
Interventions
Light Therapy
Other
Lead sponsor
Laura Beth Kalvas
Other
Eligibility
4 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Phase 1 Interventional

Treatment Strategies for Children With Smith-Magenis Syndrome

NCT00506259
View directory record Official record
Conditions
Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm, Self Injurious Behavior
Interventions
dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
Drug · Device
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
3 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional

Integrated Chronotherapy for Perinatal Depression

NCT02053649
View directory record Official record
Conditions
Depression, Major Depressive Disorder, Postpartum Depression
Interventions
Triple Chronotherapy, Usual Care
Behavioral · Other
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional

Feasibility and Tolerability of Adjunct Chronotherapy in Depressed Inpatients

NCT02088580
View directory record Official record
Conditions
Non-Psychotic Unipolar Depression, Bipolar Depression
Interventions
Triple Chronotherapy
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional

Light Therapy to Increase Energy in Adolescents and Young Adults Newly Diagnosed With Solid Tumors: A Pilot Study

NCT02429063
View directory record Official record
Conditions
Neoplasms, Fatigue
Interventions
Bright White Light, Dim Red Light
Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
12 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 6, 2026, 2:20 AM EDT
Active, not recruiting Not applicable Interventional

Light Therapy in End Stage Kidney Disease

NCT06310161
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Bright light, Dim Light
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 6, 2026, 2:20 AM EDT
Completed Not applicable Interventional Results available

Sleep to Activate Mood Promotion

NCT02413294
View directory record Official record
Conditions
Depression, Sleep Quality
Interventions
Re-Timer glasses
Device
Lead sponsor
University of Michigan
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Sep 6, 2026, 2:20 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Cognitive Behavioral Therapy and Multimodal Therapy in Treating Sleep Disturbance in Patients With Cancer

NCT01628029
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm, Sleep Disorder
Interventions
Counseling, Methylphenidate Hydrochloride, Phototherapy, Placebo Administration, Quality-of-Life Assessment, Sham Intervention, Therapeutic Melatonin
Other · Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 6, 2026, 2:20 AM 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 8, 2025 · Synced Sep 6, 2026, 2:20 AM EDT
Recruiting Not applicable Interventional

Mechanisms of Depression and Anhedonia in Adolescents: Linking Sleep to Reward- and Stress-Related Brain Function

NCT05691439
View directory record Official record
Conditions
Depression in Adolescence
Interventions
Sleep extension and advance, Regular sleep duration and timing
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
14 Years to 18 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 6, 2026, 2:20 AM EDT
Not yet recruiting Not applicable Interventional

A Study Of Phototherapy In Patients With Dementia To Improve BPSD

NCT07488195
View directory record Official record
Conditions
Dementia
Interventions
Phototherapy
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 6, 2026, 2:20 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 24, 2017 · Synced Sep 6, 2026, 2:20 AM EDT