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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: BWL Clear all
Completed Phase 2Phase 3 Interventional Results available

Weight Regain Treatment Post-Bariatric Surgery

NCT04662801
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Behavioral Weight Loss (BWL), Early Responder: BWL continued, Early Non-responder: BWL continued with medication added
Behavioral · Combination Product
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional

Using Early Time Restricted Feeding and Timed Light Therapy to Improve Glycemic Control in Adults With Type 2 Diabetes

NCT04155619
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Early Phase 1 Interventional

Systemic Light Exposure in Preventing Frailty in Older Patients With Prostate Cancer on Hormonal Therapy

NCT03661437
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Actigraph, Questionnaire Administration, Systematic Light Exposure
Device · Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
60 Years and older · Male only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional Results available

A Wearable Morning Light Treatment for Postpartum Depression

NCT04845347
View directory record Official record
Conditions
Post Partum Depression
Interventions
Bright Light Therapy, Dim Light Therapy
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Recruiting Not applicable Interventional

Improving Cognitive Rehabilitation Outcomes

NCT07055633
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Posttraumatic Stress Disorder
Interventions
CCT+MBLT, CCT+ION
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
2
States / cities
San Diego, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Early Phase 1 Interventional

Stress Management Toolkit for People Living With Dementia and Their Care Partners

NCT05465551
View directory record Official record
Conditions
Dementia, Stress, Caregiver Burden
Interventions
Stress Management Toolkit
Combination Product
Lead sponsor
Duke University
Other
Eligibility
21 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Sep 3, 2026, 9:39 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 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ProduceRx: Improving Weight and Cardiovascular Risk in Adults With Food Insecurity and Obesity

NCT05362747
View directory record Official record
Conditions
Obesity
Interventions
Behavioral weight loss and produce vouchers
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Healthy Bodies, Healthy Kids

NCT01222494
View directory record Official record
Conditions
Child Mental Disorders, Obesity, Metabolic Syndrome
Interventions
Behavioral Weight Loss, Diet and Exercise Education
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Years to 18 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 14, 2018 · Synced Sep 3, 2026, 9:39 AM EDT
Recruiting Not applicable Interventional

Bright Light Therapy for OSA

NCT05917119
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
BLT, s-BLT
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional

Treating Cancer-Related Fatigue Through Systematic Light Exposure

NCT01873794
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplantation, Breast Cancer, Fatigue, Mild Cognitive Impairment, Light, Quality of Life, Sleep
Interventions
Bright white light, Dim red light
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Hackensack, New Jersey • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional

Bright White Light Therapy for the Improvement of Sleep, Fatigue, Distress, Depression, and Anxiety in Hospitalized Leukemia Patients

NCT04597086
View directory record Official record
Conditions
Acute Leukemia, Recurrent Leukemia, Refractory Leukemia
Interventions
Best Practice, Bright White Light Therapy, Survey Administration
Other · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Sep 3, 2026, 9:39 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 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Bright Light Therapy for Treatment of Sleep Problems Following Mild Traumatic Brain Injury

NCT02374918
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 3, 2026, 9:39 AM EDT
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 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional

Triple Chronotherapy in Adolescents

NCT03679962
View directory record Official record
Conditions
Depressive Disorder, Major, Bipolar Depression, Suicidal Ideation
Interventions
Triple Chronotherapy, Treatment as Usual
Behavioral
Lead sponsor
Billings Clinic
Other
Eligibility
12 Years to 17 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Billings, Montana
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Sep 3, 2026, 9:39 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 3, 2026, 9:39 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 3, 2026, 9:39 AM EDT
Recruiting Not applicable Interventional

Intraoperative Assessment of of Burst Wave Lithotripsy (BWL)

NCT03873259
View directory record Official record
Conditions
Renal Calculi, Ureteral Calculi
Interventions
Burst Wave Lithotripsy
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
Carmel, Indiana • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional

Pilot Comparison of N-of-1 Trials of Light Therapy

NCT03167372
View directory record Official record
Conditions
Cancer, Health Behavior, Depression
Interventions
Litebook® Advantage, Fitbit Flex2 TM
Other
Lead sponsor
Columbia University
Other
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Sep 3, 2026, 9:39 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 Apr 30, 2025 · Synced Sep 3, 2026, 9:39 AM EDT
Terminated Not applicable Interventional

Blue Light as an Anti-inflammatory and Analgesic Strategy in Thoracic Trauma

NCT06626334
View directory record Official record
Conditions
Rib Fractures, Pain, Acute
Interventions
Bright Blue Light, Bright Full-Spectrum (White) Light, Usual Ambient Light
Device
Lead sponsor
Rebecca E Kotcher, MD
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Recruiting Not applicable Interventional

Redefining BMI: The Body, Mind, and Inflammation Trial

NCT06532747
View directory record Official record
Conditions
Obesity, Adiposity
Interventions
Integrated Lifestyle Intervention (ILI), Monitoring with digital tools
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 3, 2026, 9:39 AM EDT
Completed Not applicable Interventional Results available

Bright Light Therapy for Residual Daytime Symptoms Associated With Obstructive Sleep Apnea

NCT04299009
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Bright light therapy glasses
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 3, 2026, 9:39 AM EDT