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 23, 2026, 8:43 AM EDT

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

Showing 25–42 of 18 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Light box therapy Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Bright Light: A Novel Treatment for Anxiety

NCT01064700
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 23, 2026, 8:43 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 11, 2026 · Synced Sep 23, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Evaluation of HepCure Toolkit to Improve Harvoni Adherence

NCT02740556
View directory record Official record
Conditions
Hepatitis C, Medication Adherence
Interventions
HepCure ToolKit, AdhereTech Active Features, AdhereTech Passive Monitoring
Other · Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
21 Years to 89 Years
Enrollment
71 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 22, 2020 · Synced Sep 23, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Using Behavioral Programs to Treat Sleep Problems in Individuals With Alzheimer's Disease

NCT00183378
View directory record Official record
Conditions
Alzheimer Disease, Sleep Initiation and Maintenance Disorders
Interventions
Walking Program, Light Exposure Program, Combined Education, Walking and Light Exposure Program, Routine Medical Care with Education
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
55 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 12, 2012 · Synced Sep 23, 2026, 8:43 AM 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 18, 2016 · Synced Sep 23, 2026, 8:43 AM EDT
Enrolling by invitation Phase 2 Interventional

Bright Light Therapy for Depressed Geriatric Inpatients

NCT07002554
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 23, 2026, 8:43 AM EDT
Recruiting Not applicable Interventional

Impact of Bright Light Therapy on Prader-Willi Syndrome

NCT05939453
View directory record Official record
Conditions
Prader-Willi Syndrome, Excessive Daytime Sleepiness, Hyperphagia, Body Weight, Mood, Behavior
Interventions
Sham Light, Bright Light Therapy
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
6 Years to 88 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 23, 2026, 8:43 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 23, 2026, 8:43 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 23, 2026, 8:43 AM EDT
Recruiting Not applicable Interventional

Role of Sleep Reactivity in Shift Work Disorder

NCT05424406
View directory record Official record
Conditions
Shift-work Disorder
Interventions
Active phototherapy, Control phototherapy, Cognitive Behavioral Therapy (CBT), Sleep education control
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Novi, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 23, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

Effect of Increased Light Exposure on Fatigue in Breast Cancer

NCT00478257
View directory record Official record
Conditions
Breast Cancer
Interventions
bright white light, comparator red light treatment
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Sep 23, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

The Efficacy of Hand Narrow-Band Ultraviolet B (NBUVB) Versus Excilite Treatment in Vitiligo After Minigrafting on the Dorsal Hands

NCT00622180
View directory record Official record
Conditions
Vitiligo
Interventions
NBUVB, Monochromacitc Excimer light
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Sep 23, 2026, 8:43 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 16, 2026 · Synced Sep 23, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

Treatment of Post-Traumatic Brain Injury (Post-TBI) Fatigue With Light Therapy

NCT01725750
View directory record Official record
Conditions
Traumatic Brain Injury, Fatigue
Interventions
Bright White Light (BWL), Dim Red Light (DRL)
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Sep 23, 2026, 8:43 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 23, 2026, 8:43 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Melatonin Levels in Smith Magenis Syndrome (SMS)

NCT00691574
View directory record Official record
Conditions
Chromosome Disorders
Interventions
Melatonin, Enviro-light artificial light box
Dietary Supplement · Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Sep 23, 2026, 8:43 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 4, 2026 · Synced Sep 23, 2026, 8:43 AM EDT
Recruiting Not applicable Interventional

Bright Light Exposure in Surgical Patients

NCT03822949
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 23, 2026, 8:43 AM EDT