Clinical trials: Pupillometry
Optic Neuritis
Pupillometry Dynamic Measures in Patients Without Ocular or Neurological Disease
Retrobulbar optic neuritis (NORB) is the damage to the optic nerve caused by inflammation. It causes a rapidly progressive and painful visual loss, often among young subjects.
- Trial name
- PCT (NCT02894281)
- Testing
- pupillary light reflex
- Where
- France
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Pain
Pupillometry - Future of Objective Pain Reaction Measurement While Unconscious
This study aims to assess the usefulness of pupillometry as a nociceptive indicator during elective orotracheal intubation in patients given intravenous lignocaine pre-intubation as compared to a placebo pre-intubation.
- Trial name
- NCT04000126
- Testing
- Pupil reflex dilation measurement (PRD), PPI (Pupillary Pain Index), lidocaine
- Where
- Poland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Warmia and Mazury
Hypotension, Spinal Anesthesia
Pupillary Light Reflex to Predict Post-Spinal Hypotension in Elective Cesarean Delivery
This prospective observational cohort study investigates whether pre-anesthetic pupillary light reflex (PLR) parameters can predict the risk of hypotension following spinal anesthesia in women undergoing elective cesarean…
- Conditions
- Hypotension, Spinal Anesthesia, Cesarean Delivery
- Trial name
- NCT07678723
- Testing
- Not applicable- observational study
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Healthy Volunteers, Relative Afferent Pupil Defect
The PUPIL Study - Automated, Quantitative Pupil Assessment Using Binocular OCT
In current, clinical ophthalmology, a range of specialised testing allows comprehensive evaluation of ocular health. These tests have typically evolved over many years to ensure their clinical validity.
- Conditions
- Healthy Volunteers, Relative Afferent Pupil Defect, Pupil Anomaly
- Trial name
- NCT03081468
- Testing
- Binocular OCT prototype, Konan RAPDx
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University College, London
Visual Impairment, Ocular Illness
Pupillometry and Locus Coeruleus Activation (PuLCA)
This project will apply non-invasive, trans-cutaneous vagal nerve stimulation using various stimulation parameters to young, healthy adults to find the optimal set of parameters to elicit pupil response.
- Trial name
- PuLCA (NCT04579653)
- Testing
- transcutaneous electrical nerve stimulation devices
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Florida
Healthy Male Adults
Effects of Intranasal Administration of a Single Dose of Oxytocin Using a Novel Device in Healthy Adults
Oxytocin (OT) is a small, naturally occurring peptide currently in clinical use to stimulate lactation in breastfeeding women. The intranasal administration of OT has recently attracted attention as a potential novel treatment in…
- Trial name
- NCT01983514
- Testing
- 8IU intranasal oxytocin, 24 IU intranasal oxytocin, 1 IU intravenous oxytocin
- Where
- Norway
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- OptiNose AS
Bilateral Cochlear Implants, Hearing Loss, Bilateral
Spatial Cues, Task Demands, and Auditory Selective Attention
Understanding speech in restaurants and other noisy environments is the most common complaint from the more than 60 million Americans with hearing impairment.
- Conditions
- Bilateral Cochlear Implants, Hearing Loss, Bilateral, Healthy
- Trial name
- NCT07765186
- Testing
- Existing bilateral cochlear implants, Normal Hearing Control
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of South Florida
SCD With Severe Phenotype (HbSS, HbSβ0 Thalassemia, HbSOARab)
QST-Pupillometry in Sickle Cell Disease Patients
There has been little progress for effective treatment of pain in sickle cell disease (SCD) patients. Many organizations have recognized that understanding the causes and reducing the burden of pain in SCD is critical in order to…
- Trial name
- QST (NCT02242058)
- Testing
- Quantitative sensory testing
- Where
- 2 sites in United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Julia Finkel
Anesthesia, Laryngospasm on Emergence
Investigation of Pupillometry as Guide for Extubation Readiness in Anesthetized Children
Investigation of pupillometry as guide for extubation readiness in anesthetized children.
- Trial name
- NCT04947397
- Testing
- Pupillometry
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Brain Concussion, Reflex, Pupillary
Utility of Pupillary Metrics in Diagnosis and Management of Concussion in Children
The purpose of this study is to gather information and compare the potential use of pupillometry to identify concussions and post concussive syndrome with standard age appropriate assessments.
- Conditions
- Brain Concussion, Reflex, Pupillary, Post-Concussion Syndrome, Brain Injuries, Traumatic
- Trial name
- NCT04540445
- Testing
- Pupillary Assessment
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Orange County
Healthy Subjects
A Study to Investigate the Effect of Oral Doses of Pilocarpine on Salivary Secretion and Static Pupillometry in Healthy Subjects
The purpose of this study is to evaluate the pharmacodynamic effect of oral doses of pilocarpine on salivary secretion in healthy male and female subjects.
- Trial name
- NCT02447315
- Testing
- Pilocarpine
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Astellas Pharma Europe B.V.
Pain
Brainwave Activity Response on Common Physical Therapy Intervention
This study is designed to evaluate the if there is a predictable patterns in brainwave activity and to see how this changes with external physical therapy interventions such as manipulation, soft tissue massage, and exercise.
- Trial name
- NCT04542707
- Testing
- joint manipulation, Exercise, Soft tissue massage
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Florida Gulf Coast University
Opioid-Induced Respiratory Depression, Postoperative Complications (Cardiopulmonary)
Pupillometry in Identifying Risk of Postoperative Opioid-induced Respiratory Depression in Children Undergoing Tonsillectomy
This study will evaluate whether quantitative pupillometry measurements can be used to identify children at risk for postoperative opioid-induced respiratory depression (OIRD) following tonsillectomy.
- Conditions
- Opioid-Induced Respiratory Depression, Postoperative Complications (Cardiopulmonary), Respiratory Complications Due to Anesthesia
- Trial name
- NCT07573150
- Testing
- Infrared Pupillometry
- Where
- 2 sites in United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- NeurOptics Inc
Ventilation, Reproducibility
Assessing Variability of the Ventilatory Response to Duffin's Rebreathing Procedure
This study will combine Duffin's rebreathing procedure with additional study procedures, such as quantitative pupillometry, that are planned for subsequent clinical studies in order to confirm feasibility and gather…
- Conditions
- Ventilation, Reproducibility, Physiology
- Trial name
- NCT05168501
- Testing
- Rebreathing procedure
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Circadian Rhythm, Pupillometry
Relationships Among Pupil Responses to Light, Circadian Rhythms, and Sleep
The investigators are studying relationships among eye pathology, pupil responses to light, sleep, circadian rhythms, and hormones in healthy individuals and those with various medical disorders or illnesses.
- Conditions
- Circadian Rhythm, Pupillometry, Sleep
- Trial name
- SCOPE (NCT07753889)
- Testing
- Ocular light exposure from portable light box
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Elizabeth B Klerman MD PhD
Healthy
The Effect of Nonverbal Vocalisations on Pain Tolerance
Humans produce non-verbal vocalizations (shouting, growling, screaming), laughter, ...) in various contexts that are likely to perform biological functions. and important social issues.
- Trial name
- VOCPAIN (NCT04425395)
- Testing
- Cold pressor task (CPT), Acoustic Recordings, Index measurement NOL™
- Where
- France
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Caffeine, Alcohol
Investigating the Effect of Caffeine and Alcohol on Pupil Dynamics
The goal of this study is to understand how caffeine and alcohol affect the ocular and physiological systems, especially how the pupil (the aperture in the colored part of the eye) responds to light.
- Conditions
- Caffeine, Alcohol, Pupillary Response, Eye Movements
- Trial name
- PAC (NCT07625358)
- Testing
- Caffeine administration, Alcohol (Ethanol)
- Where
- Singapore
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National University of Singapore