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ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:48 PM EDT

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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Photophobia Clear all
Completed Phase 4 Interventional Results available

Safety and Tolerability Study of Daily Dosing Rimegepant in Episodic Migraine Prevention

NCT05207865
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Terminated Not applicable Interventional Results available

Spectacle Tints and Thin-Films for Migraine

NCT02720211
View directory record Official record
Conditions
Headache Migraine Chronic
Interventions
Gray tinted spectacle lenses, Thin-Film spectacle lenses
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
4
States / cities
Phoenix, Arizona • Boston, Massachusetts • Great Neck, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Jul 21, 2026, 4:48 PM EDT
Completed Not applicable Interventional

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Patients With Migraine

NCT01828684
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cannabis Effects on Sleep, Circadian Rhythms, and Light Sensitivity in Young Adults

NCT06743373
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Spectral Filtering in a Spectrally Adjustable Ocular Photosensitivity Analyzer

NCT04811079
View directory record Official record
Conditions
Photosensitivity
Interventions
419 nm Spectacle Filter, 437 nm Spectacle Filter, 456 nm Spectacle Filter, 476 nm Spectacle Filter, 373 nm Spectacle Filter
Other
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jul 21, 2026, 4:48 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Side Effects of Atropine (SEA) Study

NCT03593044
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Terminated Not applicable Interventional Results available

Thin Film Spectacle Coatings to Reduce Light Sensitivity and Headaches in Child and Adolescent Patients With Migraine

NCT01942486
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Light at Night Study

NCT04251234
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Withdrawn Not applicable Interventional

Improving Glare and Visual Comfort for Patients With Visual Impairment

NCT05829135
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

"Eye Protection After Mydriatic Use for ROP Screening: Impact on Vitals Signs and Pain Scores"

NCT01860534
View directory record Official record
Conditions
Light Sensitivity
Interventions
eye covers
Behavioral
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
Not listed
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Jul 21, 2026, 4:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functionally Validated Structural Endpoints for Early AMD

NCT04112667
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Completed Phase 3 Interventional Results available

Randomized Trial in Adult Participants With Acute Migraines

NCT04571060
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Completed Phase 1Phase 2 Interventional

Study to Determine the Efficacy and Safety of ELS-M11 in Acute Migraine

NCT02057315
View directory record Official record
Conditions
Migraine Headaches
Interventions
ELS-M11, Placebo
Drug
Lead sponsor
Achelios Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
2
States / cities
Ann Arbor, Michigan • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced Jul 21, 2026, 4:48 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Oral Zavegepant in Migraine Prevention

NCT04804033
View directory record Official record
Conditions
Migraine
Interventions
BHV-3500 (zavegepant), Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
1,753 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
116
States / cities
Phoenix, Arizona • Tucson, Arizona • Canoga Park, California + 88 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Jul 21, 2026, 4:48 PM EDT
Completed Not applicable Interventional Results available

Clinical Evaluation of Morcher Artificial Iris Diaphragms

NCT00812708
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Terminated Not applicable Interventional

Effects of Prismatic Spectacle Lenses on Symptoms of Dizziness, Headache and Anxiety as Caused by Vertical Heterophoria

NCT00785135
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional

Effect of Fixation Training With Colored Light Targets on Traumatic Brain Injury-Associated Photophobia

NCT07606300
View directory record Official record
Conditions
Traumatic Brain Injury (TBI) Patients
Interventions
Fixation training using different colored fixation targets
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jul 21, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Investigating Brain Function in People With and Without Visual Snow Syndrome Using Adaptation to Visual Stimuli

NCT06961864
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Completed Phase 3 Interventional

An Efficacy Study of a Single Dose Treatment of PRO-513 for Subjects Suffering a Migraine Attack

NCT00330850
View directory record Official record
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 Jul 21, 2026, 4:48 PM EDT
Recruiting Phase 3 Interventional

Randomized Study in Children and Adolescents With Migraine: Acute Treatment

NCT04649242
View directory record Official record
Conditions
Pediatric Migraine
Interventions
Rimegepant/BHV3000, Matching placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
6 Years to 17 Years
Enrollment
2,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
169
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Tempe, Arizona + 107 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional

Light Exposure, Migraine Outcomes, and Sleep Quality

NCT07476053
View directory record Official record
Conditions
Migraine Headache, Sleep, Photophobia
Interventions
Ambient Lighting Condition
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Jul 21, 2026, 4:48 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Acute Treatment Trial in Adult Subjects With Migraines

NCT03872453
View directory record Official record
Conditions
Migraine
Interventions
Zavegepant, Zavegepant matching placebo, Intranasal Aptar Pharma Unit Dose System
Drug · Device
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
2,154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
82
States / cities
Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 75 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2023 · Synced Jul 21, 2026, 4:48 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Comparison Between Spectacles and Contact Lenses

NCT06905912
View directory record Official record
Conditions
Photophobia
Interventions
Biomedics55 Premier contact lenses, and Altius Tinted Contact Lenses
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jul 21, 2026, 4:48 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Objectively Diagnose and Monitor Treatment of Light Sensitivity

NCT03694626
View directory record Official record
Conditions
Photophobia, Traumatic Brain Injury, Migraine
Interventions
Pupillography, Ocular Coherence Tomography (OCT), Wrist-watch sensor device, Videography, Electrophysiology
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Jul 21, 2026, 4:48 PM EDT