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Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Recruiting No phase listed Observational

Characterization of Acute Pain

NCT07336264
Conditions
Acute Pain, Postoperative, Postoperative Pain, Acute Pain
Interventions
AlgometRx Nociometer
Device
Lead sponsor
Children's National Research Institute
Other
Eligibility
6 Years to 21 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Withdrawn Not applicable Interventional Accepts healthy volunteers

Pupillometry and Locus Coeruleus Activation (PuLCA)

NCT04579653
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
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
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
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
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
Recruiting No phase listed Observational Accepts healthy volunteers

Interventions for Postoperative Delirium: Biomarker-3

NCT03124303
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
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
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
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
Conditions
Neurofibromatosis Type 1
Interventions
AlgometRx Nociometer(R)
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
Completed No phase listed Observational Accepts healthy volunteers

QST-Pupillometry in Sickle Cell Disease Patients

NCT02242058
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
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Investigation of Pupillometry as Guide for Extubation Readiness in Anesthetized Children

NCT04947397
Conditions
Anesthesia, Laryngospasm on Emergence
Interventions
Pupillometry
Diagnostic Test
Lead sponsor
University of California, San Francisco
Other
Eligibility
2 Years to 10 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Oakland, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT05168501
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
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
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
Completed No phase listed Observational Accepts healthy volunteers

Effects of Sevoflurane and Propofol on Light Flash Evoked Pupillometry

NCT00695890
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
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
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
Completed Not applicable Interventional Accepts healthy volunteers

Cortical Contributions to Frequency Following Responses and Modulation

NCT05010473
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
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
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety Study Looking at the Effects of Stendra on Vision

NCT02033200
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
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
Completed Not applicable Interventional Accepts healthy volunteers

Brainwave Activity Response on Common Physical Therapy Intervention

NCT04542707
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Spatial Cues, Task Demands, and Auditory Selective Attention

NCT07765186
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