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ClinicalTrials.gov public records Last synced May 22, 2026, 5:33 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 42 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers
Conditions
Chronobiology Disorders, Circadian Rhythm Disorders, Sleep Disorders, Circadian Rhythm
Interventions
light exposure
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 30 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Photophobia, Visual Impairment, Low Vision
Interventions
Acuvue Oasys with Transitions
Device
Lead sponsor
Nova Southeastern University
Other
Eligibility
18 Years to 64 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Davie, Florida
Source: ClinicalTrials.gov public record
Updated Jun 18, 2025 · Synced May 22, 2026, 5:33 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
Conditions
Myopia
Interventions
0.01% concentration atropine drops
Drug
Lead sponsor
Jeffrey J. Walline, OD PhD
Other
Eligibility
21 Years to 30 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Sun Sensitivity
Interventions
no intervention
Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
537 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Phobias, Claustrophobia, Social Phobia
Interventions
Extinction Training, Low-Level Laser Therapy, Sham Low-Level Laser Therapy
Behavioral · Device
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Concussion, Mild, Photophobia, Contact Lens
Interventions
Narrow band (tinted) contact lenses, broad band (clear) contact lenses
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Alkaptonuria
Interventions
Nitisinone (NTBC)
Drug
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
30 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 25, 2021 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Migraine, Photophobia, Phonophobia
Interventions
PRO-513
Drug
Lead sponsor
ProEthic Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
16
States / cities
Fairfield, Connecticut • Stamford, Connecticut • Fort Myers, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2007 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Migraine, Episodic Migraine, Phonophobia, Photophobia
Interventions
Rimegepant
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
19
States / cities
Phoenix, Arizona • Hawthorne, California • North Hollywood, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Migraine Disorders, Photophobia
Interventions
Investigational Coating
Device
Lead sponsor
University of Utah
Other
Eligibility
7 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Cannabis Use, Sleep, Circadian Rhythm
Interventions
Cannabis Discontinuation
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Migraine Disorders, Photophobia
Interventions
Therapeutic Lens Coating, Sham Lens Coating
Other
Lead sponsor
Bradley Katz
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 30, 2016 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Visual Snow Syndrome, Migraine, Healthy
Interventions
Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Imaging (MRS)
Behavioral · Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Head Injury, Traumatic Brain Injury (TBI), Photosensitivity, Photophobia
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2017 · Synced May 22, 2026, 5:33 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
Conditions
Age-related Macular Degeneration, Aging
Interventions
Normal Macular Health, Early Macular Degeneration, Young Normals
Other
Lead sponsor
Cynthia Owsley
Other
Eligibility
20 Years and older
Enrollment
556 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced May 22, 2026, 5:33 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
Conditions
Bipolar Disorder, Light Sensitivity
Interventions
Light intensity, ~30 lux, Baseline light intensity, <1 lux
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 45 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Acute Treatment of Migraine
Interventions
Rimegepant (PF-07899801)
Drug
Lead sponsor
Pfizer
Industry
Eligibility
6 Years to 17 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
116
States / cities
Scottsdale, Arizona • Tempe, Arizona • Anaheim, California + 77 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced May 22, 2026, 5:33 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
Conditions
Circadian Rhythm Disorders
Interventions
Ocular light or darkness exposure
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 30 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 22, 2011 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Traumatic Brain Injury
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
10
States / cities
San Diego, California • West Palm Beach, Florida • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Migraine
Interventions
Zavegepant, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,978 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
94
States / cities
Huntsville, Alabama • Mobile, Alabama • Chandler, Arizona + 86 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2023 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Binocular Dysfunction, Vertical Heterophoria, Vision, Binocular, Vision Disparity
Interventions
Lenses containing prismatic correction, Lenses not containing prismatic correction
Device
Lead sponsor
Vision Specialists of Birmingham
Other
Eligibility
14 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Birmingham, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced May 22, 2026, 5:33 AM EDT
Completed Not applicable Interventional Results available
Conditions
Aniridia, Iris; Deformity
Interventions
Morcher iris diaphragm implantation
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function, Contrast Sensitivity
Interventions
None-placebo
Other
Lead sponsor
Dr. Daniel H. Chang, MD
Other
Eligibility
22 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bakersfield, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 22, 2026, 5:33 AM EDT
Conditions
Acne Vulgaris
Interventions
Tazarotene (Patch application in Challenge Phase)
Drug
Lead sponsor
Stiefel, a GSK Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced May 22, 2026, 5:33 AM EDT