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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: 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 6, 2025 · Synced Sep 1, 2026, 2:34 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 23, 2015 · Synced Sep 1, 2026, 2:34 PM EDT
Terminated Not applicable Interventional Results available

Infrared Pupillometry During General Anesthesia to Predict Pain

NCT02058511
View directory record Official record
Conditions
Postoperative Pain, Objective Assessment of Sedation
Interventions
Anesthesia Premedication, Induction and Maintenance, Pupillometry after administration of anesthetic drugs
Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 99 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 14, 2019 · Synced Sep 1, 2026, 2:34 PM 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 1, 2026, 2:34 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 1, 2018 · Synced Sep 1, 2026, 2:34 PM 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 1, 2026, 2:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Pharmacodynamics of TRV130, Morphine, and Placebo in Healthy Subjects

NCT02083315
View directory record Official record
Conditions
Pain, Acute
Interventions
TRV130 1.5 mg, TRV130 3 mg, TRV130 4.5 mg, Morphine 10 mg, Placebo
Drug
Lead sponsor
Trevena Inc.
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Sep 1, 2026, 2:34 PM EDT
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 1, 2026, 2:34 PM 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 1, 2026, 2:34 PM EDT
Not listed No phase listed Observational

Chromatic Pupillometry to Assess the Melanopsin-Light Pathway in Progressive Supranuclear Palsy

NCT03330353
View directory record Official record
Conditions
PSP - Progressive Supranuclear Palsy, PD - Parkinson's Disease, AD - Alzheimer's Disease, ALS (Amyotrophic Lateral Sclerosis)
Interventions
Pupillometry
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
55 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Sep 1, 2026, 2:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

QST-Pupillometry in Sickle Cell Disease Patients

NCT02242058
View directory record Official record
Conditions
SCD With Severe Phenotype (HbSS, HbSβ0 Thalassemia, HbSOARab)
Interventions
Quantitative sensory testing
Other
Lead sponsor
Julia Finkel
Other
Eligibility
13 Years to 30 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jan 20, 2020 · Synced Sep 1, 2026, 2:34 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 7, 2026 · Synced Sep 1, 2026, 2:34 PM 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 1, 2026, 2:34 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 10, 2022 · Synced Sep 1, 2026, 2:34 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 18, 2023 · Synced Sep 1, 2026, 2:34 PM EDT
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
2026 – 2035
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 1, 2026, 2:34 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 24, 2023 · Synced Sep 1, 2026, 2:34 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 9, 2022 · Synced Sep 1, 2026, 2:34 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 12, 2015 · Synced Sep 1, 2026, 2:34 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 18, 2024 · Synced Sep 1, 2026, 2:34 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 13, 2026 · Synced Sep 1, 2026, 2:34 PM 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 1, 2026, 2:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure

NCT05168501
View directory record Official record
Conditions
Ventilation, Reproducibility, Physiology
Interventions
Rebreathing procedure
Other
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
18 Years to 50 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 14, 2024 · Synced Sep 1, 2026, 2:34 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 13, 2016 · Synced Sep 1, 2026, 2:34 PM EDT