Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 8:24 AM EDT

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Showing 1–24 of 224 matching trials from the live ClinicalTrials.gov search.
Conditions
Rectal Cancer, Colon Cancer, Crohn's Disease, Polyp, Procidentia, Diverticulitis
Interventions
PINPOINT Endoscopic Fluorescence Imaging System
Device
Lead sponsor
Novadaq Technologies ULC, now a part of Stryker
Industry
Eligibility
18 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
11
States / cities
Los Angeles, California • Orange, California • San Diego, California + 7 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Light on Melatonin and Contractions in Pregnant Women

NCT01863446
Conditions
Pregnancy
Interventions
Lighting1, Lighting2
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Alternative Dietary Approaches Online to Promote Tracking

NCT05049005
Conditions
Diet Quality, Weight Loss
Interventions
Simplified dietary tracking
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
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
Conditions
Acne Vulgaris
Interventions
Methyl aminolevulinate (MAL) PDT
Drug
Lead sponsor
Photocure
Industry
Eligibility
15 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
Naperville, Illinois • Albuquerque, New Mexico
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Bright Light on Co-occurring Cancer-related Symptoms in Breast Cancer Survivors

NCT03304587
Conditions
Breast Cancer
Interventions
Polysomnography (PSG), Rectal thermistor 400 Series, Bright blue-green light, Dim red light, Digital foot candle datalogging light meter, Patient-Reported Outcomes Measurement Information System (PROMIS)-Cancer-Fatigue, Patient-Reported Outcomes Measurement Information System (PROMIS)-Sleep Disturbance, Patient-Reported Outcomes Measurement Information System (PROMIS)-Depression, Patient-Reported Outcomes Measurement Information System (PROMIS)-Physical Function, Pittsburgh Sleep Quality Index (PSQI), Center for Epidemiological Studies - Depression, Montreal Cognitive Assessment (MoCA), European Organization for Research and Treatment of Cancer-Quality of Life Questionnaire (EORTC QLQ-C30), Daily Log
Diagnostic Test · Other
Lead sponsor
Michigan State University
Other
Eligibility
21 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
East Lansing, Michigan
Conditions
Physical Activity, Neoplasms, Cancer
Interventions
Core Intervention, Simplified Dietary Monitoring (Green), Simplified Dietary Monitoring (Red), Nutrition Goals (Yes), Nutrition Goals (No), Supportive Text Messages (Yes), Supportive Text Messages (No), Lesson Delivery (Once), Lesson Delivery (Weekly)
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 39 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Color Perception Under LED Red/Green and Green Dominant Light

NCT01927536
Conditions
Color Blindness, Acquired
Interventions
White LED Flashlight, Red/Green Green Dominant LED Flashlight
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 66 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
BCC, BCC - Basal Cell Carcinoma, Basal Cell Carcinoma, Basal Cell Cancer, Superficial Basal Cell Carcinoma, Nodular Basal Cell Carcinoma
Interventions
Jet injection of ALA, Surgical excision, Illumination, Incubation
Drug · Procedure · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Completed Phase 1 Interventional Accepts healthy volunteers

High Fluence Light Emitting Diode-Red Light (LED-RL) in Human Skin

NCT02630303
Conditions
Fibrosis, Scarring, Scar, Wounds, Injuries, Keloid, Cicatrix, Hypertrophic
Interventions
LED-RL Phototherapy, Mock Therapy
Device
Lead sponsor
Jared Jagdeo, MD, MS
Federal
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Mather, California
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Study of Low Level Laser Therapy and Tinnitus Relief

NCT00845975
Conditions
Tinnitus
Interventions
Erchonia Hearing Lasers #1 & #2, Placebo Lasers
Device
Lead sponsor
Erchonia Corporation
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Sacramento, California
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Peripheral Blood Flow Responses to Electromagnetic Energy

NCT02370199
Conditions
Exposure to Man-made Visible Light
Interventions
670 nm light, octafluropropane
Device · Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 59 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of the Use of Low Level Laser Therapy to Reduce Acne

NCT01276535
Conditions
Acne
Interventions
Erchonia MLS + Erchonia THL
Device
Lead sponsor
Erchonia Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy of Repeated Low-level Red-light Therapy in Myopia Control

NCT05606237
Conditions
Myopia
Interventions
Low-level Red Light Therapy Device
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
8 Years to 13 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Actinic Keratosis
Interventions
Metvix-PDT, Vehicle-PDT
Combination Product
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Naperville, Illinois • Louisville, Kentucky • Portland, Oregon + 1 more
Conditions
Meibomian Gland Dysfunction, Dry Eye
Interventions
Red Low-Level Light Therapy
Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Bipolar Disorder, Major Depressive Episode
Interventions
7000lux broad-spectrum light, 50lux dim red light
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Conditions
Non Healing Diabetic Foot Ulcer
Interventions
MolecuLight i:X Imaging Device
Device
Lead sponsor
MolecuLight Inc.
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Vista, California • Lake Success, New York • Monroeville, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Light Emitting Diode Irradiation on the Conduction Parameters of the Superficial Radial Nerve

NCT01513148
Conditions
Peripheral Neuropathy
Interventions
Superluminous light diode
Device
Lead sponsor
Shenandoah University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Winchester, Virginia
Conditions
Chronic Pelvic Pain, Chronic Pelvic Pain Syndrome (CPPS)
Interventions
SoLa Pelvic Therapy, Sham
Device
Lead sponsor
SoLa Pelvic Therapy
Industry
Eligibility
18 Years and older · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
11
States / cities
Birmingham, Alabama • Newport Beach, California • San Francisco, California + 8 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Temperature Rise Caused by Short or Long-wavelengths

NCT06418958
Conditions
Post-operative Pain
Interventions
Red Light, Blue Light
Device
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Enrolling by invitation Not applicable Interventional

Efficacy of an LED Mask

NCT07890233
Conditions
Fine Lines and Wrinkles, Skin Health, Skin Tone
Interventions
Light emitting diode treatment
Device
Lead sponsor
Therabody, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Purchase, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

Fear and Avoidance in PTSD Patients

NCT04770584
Conditions
Post Traumatic Stress Disorder
Interventions
Fear Conditioning, Avoidance conditioning, Pavlovian fear extinction learning, Willingness to pay to avoid shock
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas