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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:10 PM EDT

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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: pupillometry Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Brainwave Activity Response on Common Physical Therapy Intervention

NCT04542707
View directory record Official record
Conditions
Pain
Interventions
joint manipulation, Exercise, Soft tissue massage
Procedure · Device
Lead sponsor
Florida Gulf Coast University
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Fort Myers, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Enrolling by invitation Not applicable Interventional

Cortical Contributions to FFR: Post-Op Outcomes

NCT05214092
View directory record Official record
Conditions
Language
Interventions
Speech sound stimulation
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
13 Years to 25 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed No phase listed Observational

Brain Network Dynamics of Depression During Esketamine Treatment

NCT06012916
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Esketamine nasal spray
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cortical Contributions to Frequency Following Responses and Modulation

NCT05010473
View directory record Official record
Conditions
Language
Interventions
Speech and non-speech sound stimulation
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
13 Years to 25 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed No phase listed Observational

Effects of Sevoflurane and Propofol on Light Flashed Evoked Pupillometry

NCT01219569
View directory record Official record
Conditions
Blindness
Interventions
propofol, Sevoflurane
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 24, 2015 · Synced Oct 21, 2026, 5:10 PM EDT
Completed No phase listed Observational

Refractive and Visual Outcomes With the ARGOS Biometer In Eyes With a History of Refractive Surgery: ARGOS Study

NCT07129980
View directory record Official record
Conditions
Cataract
Interventions
ARGOS Biometer
Device
Lead sponsor
Vance Thompson Vision
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Intramuscular (IM) Oxytocin on Pupil Diameter and Heart Rate Variability (HRV)

NCT04105998
View directory record Official record
Conditions
Chronic Pain Due to Injury
Interventions
Oxytocin, Placebo
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 66 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 10, 2022 · Synced Oct 21, 2026, 5:10 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change
Interventions
Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Actigraphy
Other · Diagnostic Test · Genetic
Lead sponsor
University of Rhode Island
Other
Eligibility
55 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
4
States / cities
Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Completed No phase listed Observational

Outcome pRognostication of Acute Brain Injury With the NeuroloGical Pupil indEx

NCT04490005
View directory record Official record
Conditions
Acute Brain Injury, Pupillary Reflex Impaired
Interventions
pupillometry
Other
Lead sponsor
University of Milano Bicocca
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
San Francisco, California • Baltimore, Maryland • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting No phase listed Observational

Non-Invasive Monitoring Methods in Patients With Acute Brain Injury

NCT06504238
View directory record Official record
Conditions
Brain Injury, Acute
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction

NCT02535702
View directory record Official record
Conditions
Normal Physiology
Interventions
In vivo MRS, fMRI, EEG/EOG, Stimulation tasks, NSPRD, Structural MRI
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Pupillometry and Locus Coeruleus Activation (PuLCA)

NCT04579653
View directory record Official record
Conditions
Visual Impairment, Ocular Illness
Interventions
transcutaneous electrical nerve stimulation devices
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 4 Interventional Results available

Low Dose Ketamine Study on Opioid Tolerance and Hyperalgesia

NCT01325493
View directory record Official record
Conditions
Idiopathic Scoliosis, Spondylolisthesis
Interventions
Ketamine, Normal Saline
Drug
Lead sponsor
Julia Finkel
Other
Eligibility
10 Years to 18 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2016 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting No phase listed Observational

Measuring Analgesic Interventions

NCT03794362
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Julia Finkel
Other
Eligibility
7 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional

Pupillometry in Delayed Sleep Wake Phase Disorder

NCT06949644
View directory record Official record
Conditions
Delayed Sleep-Wake Phase Disorder
Interventions
Light and Citalopram
Combination Product
Lead sponsor
Northwestern University
Other
Eligibility
16 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Not applicable Interventional

Optimal Time for In-situ Dry Needling to Affect the Autonomic Nervous System

NCT03728751
View directory record Official record
Conditions
Healthy
Interventions
Dry needling
Procedure
Lead sponsor
Florida Gulf Coast University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Hobart, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 2, 2018 · Synced Oct 21, 2026, 5:10 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Utility of Pupillary Metrics in Diagnosis and Management of Concussion in Children

NCT04540445
View directory record Official record
Conditions
Brain Concussion, Reflex, Pupillary, Post-Concussion Syndrome, Brain Injuries, Traumatic
Interventions
Pupillary Assessment
Other
Lead sponsor
Children's Hospital of Orange County
Other
Eligibility
5 Years to 17 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 21, 2026, 5:10 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Relationships Among Pupil Responses to Light, Circadian Rhythms, and Sleep

NCT07753889
View directory record Official record
Conditions
Circadian Rhythm, Pupillometry, Sleep
Interventions
Ocular light exposure from portable light box
Other
Lead sponsor
Elizabeth B Klerman MD PhD
Other
Eligibility
18 Years to 85 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety Study Looking at the Effects of Stendra on Vision

NCT02033200
View directory record Official record
Conditions
Vision
Interventions
Stendra 200 mg, Placebo
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 13, 2015 · Synced Oct 21, 2026, 5:10 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pupillary Unrest as an Indicator of Central Opioid Effect in Subjects 40-60 Years of Age

NCT05391555
View directory record Official record
Conditions
Opioid Toxicity, Pupillary Miosis, Respiratory Depression
Interventions
Remifentanil Hydrochloride, Pupillometry measurement
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Interventions for Postoperative Delirium: Biomarker-3

NCT03124303
View directory record Official record
Conditions
Delirium
Interventions
High Density-Electroencephalogram, Magnetic Resonance Imaging, Blood specimen collection, Pupillometry
Procedure · Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
468 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cochlear Implants and Listening Effort: the Interaction of Cognitive and Sensory Constraints

NCT07279441
View directory record Official record
Conditions
Cochlear Implant Users
Interventions
Experiment 1: Syntactic and Semantic Context, Experiment 2: False Hearing and Context Overuse, Experiment 3: Two-Sentence Problem, Experiment 4: Cascading Effects on Discourse Comprehension, Experiment 5: Self-Paced Discourse Comprehension, Experiment 6: Clinical Application
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
2
States / cities
Waltham, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2025 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Spatial Cues, Task Demands, and Auditory Selective Attention

NCT07765186
View directory record Official record
Conditions
Bilateral Cochlear Implants, Hearing Loss, Bilateral, Healthy
Interventions
Existing bilateral cochlear implants, Normal Hearing Control
Device · Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 21, 2026, 5:10 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Sex and Age on Non-visual Light Input That Affects Sleep and Circadian Rhythms

NCT05829044
View directory record Official record
Conditions
Normal Physiology
Interventions
Pupillometry, Light box exposure
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 21, 2026, 5:10 PM EDT