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Showing 25–43 of 19 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Light Sensitivity Clear all
Completed Phase 2 Interventional Results available

Long-Term Study of Nitisinone to Treat Alkaptonuria

NCT00107783
View directory record Official record
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 Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Human Circadian Sensitivity to Very Short Light Pulses

NCT01330992
View directory record Official record
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 Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
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 Jun 10, 2026, 6:14 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Efficacy and Safety Assessment of Experimental Bleaching Agents

NCT06802614
View directory record Official record
Conditions
Tooth Discoloration, Dentin Sensitivity, Patient Satisfaction
Interventions
BLEACHING GEL A, 5% NF_TiO2, BLEACHING GEL B, VISIBLE LIGHT IRRADIATION, Whiteness HP 35%, Whiteness HP Automixx 6%
Device · Radiation
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
Recruiting Not applicable Interventional

Pilot Study of Neurofeedback for Photosensitivity in Mild Traumatic Brain Injury

NCT06109909
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Photophobia
Interventions
Micro Current Neurofeedback Device using Low-Frequency Pulse-Based Transcranial Electrical Stimulation
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jun 10, 2026, 6:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Head Injury-associated Photosensitivity and Pupillary Function (HIPP) Study

NCT01942564
View directory record Official record
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 Jun 10, 2026, 6:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neural and Visual Responses to Light in Bipolar Disorder: A Novel Putative Biomarker

NCT02048995
View directory record Official record
Conditions
Bipolar Depression
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Jun 10, 2026, 6:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Narrowband UVB Phototherapy on Systemic Inflammation in Patients With Atopic Dermatitis

NCT03083730
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Narrow band UVB treatment (NB-UVB)
Other
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
Terminated Phase 1Phase 2 Interventional

Ultraviolet (UVA and UVB) Light Therapy in the Treatment of Inflammatory Skin Conditions

NCT00129415
View directory record Official record
Conditions
Atopic Dermatitis, Psoriasis, Alopecia, Mycosis Fungoides, Urticaria, Dermatoses, Stretch Marks
Interventions
UVA1 Irradiation, UVB Irradiation
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
10 Years to 80 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 21, 2015 · Synced Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
Recruiting Phase 2 Interventional

Understanding and Treating Traumatic Brain Injury (TBI) Associated Photophobia With Botulinum Toxin Type A (BoNT-A)

NCT06293300
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
BoNT A
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 1, 2025 · Synced Jun 10, 2026, 6:14 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 Jun 10, 2026, 6:14 PM EDT
Recruiting No phase listed Observational

Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants

NCT07213167
View directory record Official record
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 Jun 10, 2026, 6:14 PM EDT
Recruiting No phase listed Observational

The Biomarkers in the Hyperbaric Oxygen Brain Injury Treatment Trial (BioHOBIT)

NCT04855396
View directory record Official record
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 Jun 10, 2026, 6:14 PM EDT