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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Pupillometry Clear all
Completed No phase listed Observational Accepts healthy volunteers

Effects of Sevoflurane and Propofol on Light Flash Evoked Pupillometry

NCT00695890
View directory record Official record
Conditions
Measurement of Pupil Diameter
Interventions
Not listed
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced Sep 5, 2026, 2:24 AM 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 11, 2025 · Synced Sep 5, 2026, 2:24 AM 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 4, 2025 · Synced Sep 5, 2026, 2:24 AM 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 Oct 28, 2025 · Synced Sep 5, 2026, 2:24 AM 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 14, 2025 · Synced Sep 5, 2026, 2:24 AM 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 Aug 31, 2026 · Synced Sep 5, 2026, 2:24 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy

NCT07573150
View directory record Official record
Conditions
Opioid-Induced Respiratory Depression, Postoperative Complications (Cardiopulmonary), Respiratory Complications Due to Anesthesia
Interventions
Infrared Pupillometry
Device
Lead sponsor
NeurOptics Inc
Industry
Eligibility
3 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
San Francisco, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 5, 2026, 2:24 AM EDT
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 6, 2025 · Synced Sep 5, 2026, 2:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Complex Eye Movements in Parkinson's Disease and Related Movement Disorders

NCT04925622
View directory record Official record
Conditions
Parkinson Disease, Parkinson's Disease and Parkinsonism, Progressive Supranuclear Palsy, Corticobasal Degeneration, Parkinsonian Disorders, Essential Tremor, Vascular Parkinsonism, Multiple System Atrophy, Parkinson Variant, Parkinsonian Syndrome, Huntington Disease
Interventions
Complex eye movement exam
Diagnostic Test
Lead sponsor
Saccadous, Inc.
Other
Eligibility
30 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Sep 5, 2026, 2:24 AM EDT
Active, not recruiting No phase listed Observational

Developing a Method to Objectively Measure Opioid Analgesia

NCT03605966
View directory record Official record
Conditions
Analgesics, Antipyretics and Anti-Inflammatory Drugs Causing Adverse Effects in Therapeutic Use
Interventions
Not listed
Lead sponsor
Julia Finkel
Other
Eligibility
7 Years to 21 Years
Enrollment
40 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 5, 2026 · Synced Sep 5, 2026, 2:24 AM EDT
Not listed No phase listed Observational

Pupillometry for the Prediction of Neurologic Outcomes in Severe Traumatic Brain Injury

NCT02465242
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Not listed
Lead sponsor
Our Lady of the Lake Hospital
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 27, 2016 · Synced Sep 5, 2026, 2:24 AM 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 18, 2024 · Synced Sep 5, 2026, 2:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Listening Effort on Sentence Processing and Memory (Study 1)

NCT05584514
View directory record Official record
Conditions
Sentence Stimulus, Auditory Noise
Interventions
Sentence Stimulus, Auditory Noise
Other
Lead sponsor
University of Utah
Other
Eligibility
60 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 5, 2026, 2:24 AM 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 18, 2023 · Synced Sep 5, 2026, 2:24 AM EDT
Recruiting Not applicable Interventional

A Study to Evaluate the Feasibility of a Physiologic Biomarker to Assess Pain and Other Sensory Problems Using Pupillometry in Participants With Neurofibromatosis Type 1 (NF1)

NCT06507748
View directory record Official record
Conditions
Neurofibromatosis Type 1
Interventions
AlgometRx Nociometer
Device
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 120 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 5, 2026, 2:24 AM 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 7, 2026 · Synced Sep 5, 2026, 2:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Rapid, Non-invasive, Regional Functional Imaging of the Retina. (Diabetic Retinopathy Diagnosis Device)

NCT01546766
View directory record Official record
Conditions
Diabetes, Retinal Disorders
Interventions
Pupillometry testing.
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2015
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 6, 2023 · Synced Sep 5, 2026, 2:24 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Towards Restoring Complex Movement After Paralysis: Algorithm Development With Healthy Participants

NCT07236892
View directory record Official record
Conditions
Movement Disorders, Neurorehabilitation, Non-invasive Activity Recording
Interventions
Participants will perform experimental tasks while undergoing non-invasive activity recordings, which may include EEG, EMG, IMUs, fNIRS, eye gaze, or pupillometry.
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 5, 2026, 2:24 AM 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 12, 2026 · Synced Sep 5, 2026, 2:24 AM 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 24, 2023 · Synced Sep 5, 2026, 2:24 AM EDT
Completed No phase listed Observational

Improving the Assessment of Hypersomnolence

NCT02884505
View directory record Official record
Conditions
Disorders of Excessive Somnolence
Interventions
Pupillometry, Psychomotor Vigilance Task, Auditory Evoked Potential, Hypersomnia Severity Index
Device · Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 89 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Sep 5, 2026, 2:24 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Clear Speech on Listening Effort and Memory in Sentence Processing

NCT06053190
View directory record Official record
Conditions
Speech, Memory, Delayed, Sensorineural Hearing Loss
Interventions
Sentence stimulus, Speaking style
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
60 Years to 90 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Sep 5, 2026, 2:24 AM 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 23, 2025 · Synced Sep 5, 2026, 2:24 AM 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 23, 2015 · Synced Sep 5, 2026, 2:24 AM EDT