Clinical trials: Reflex, Pupillary
Carbon Monoxide Poisoning
Quantitative Assessment of Pupillary Light Reflex in Acute Carbon Monoxide Poisoning
Neurological complications after acute carbon monoxide (CO) poisoning can range from transient headache or dizziness to cognitive dysfunction, seizure, permanent anoxic brain damages or death.
- Trial name
- NCT05110820
- Testing
- Automated quantitative pupillometer
- Where
- South Korea
- Volunteers
- 104 people
- Sponsor
- Wonju Severance Christian Hospital
Cardiac Arrest
Early DiaGnosis of Anoxic Brain Injury for Resuscitated Patients
Sudden cardiac arrest (CA) in adults remains a major public health issue in industrialized countries, leading to a mortality rate greater than 90%.
- Trial name
- EDGAR (NCT03806660)
- Where
- France
- Volunteers
- 500 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Cardio Respiratory Arrest
Evaluation of Prognosis Factors of Neurological Evolution in Cardiac Arrest
With the repercussion of 55 cases eachyear for 100 000 inhabitants in France, cardio respiratory arrest is a public health issue.
- Trial name
- ACR (NCT02849561)
- Testing
- Therapeutic hypothermia, Synchronized Intermittent Mandatory Ventilation, Electroencephalography
- Where
- France
- Volunteers
- 82 people
- Sponsor
- University Hospital, Grenoble
Mechanical Ventilation, Critical Illness
Effect of Ventilation Mode in the Pupillary Light Reflex: A Crossover Study
The goal of this clinical trial is to explore whether different modes of mechanical ventilation affect pupillary constriction velocities in critically ill patients without brain injury.
- Trial name
- EYE-BREATH (NCT07082569)
- Testing
- Volume Control Ventilation, Pressure Control Ventilation, Pressure-Regulated Volume Control (PRVC)
- Where
- Greece
- Volunteers
- 36 people
- Sponsor
- Evangelismos Hospital
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
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
Nociceptive Pain, Monitoring, Intraoperative
Pain Assessment by Pupil Dilation Reflex (PDR) and Pupillary Pain Index (PPI) in Response to Noxious Stimulation in Anesthetized Adults
After conduction a pilot study, pupillary dilation reflex (PDR) is measured in response to nociceptive stimulation perioperatively.
- Trial name
- NCT03140241
- Testing
- PDR measurement
- Where
- Belgium
- Volunteers
- 34 people
- Sponsor
- University Hospital, Antwerp
Critical Illness, Pupillometry
Dynamic Trajectories of Pupillary Light Reflex Parameters and Prognosis in Critically Ill Patients: A Multicenter Prospective Cohort Study
This multicenter prospective observational cohort study aims to investigate the association between early dynamic trajectories of pupillary light reflex parameters and clinical outcomes in critically ill patients admitted to…
- Conditions
- Critical Illness, Pupillometry, Prognosis
- Trial name
- PUPIL (NCT07616518)
- Volunteers
- 700 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Scheduled Laparoscopic Surgery
Pupillary Reflex Measurement to Guide Intraoperative Analgesia During Laparoscopic Surgery
The purpose of this study is to determine whether analgesia guided by pupillary reflex during laparoscopic surgery is effective in opioid sparing (intraoperative remifentanil and postoperative morphine).This is a prospective…
- Trial name
- NCT02116868
- Testing
- Pupillometry guided analgesia (PP), Tailored remifentanil controlled infusion, Tailored antihypertensive drug administration
- Where
- 2 sites in France
- Volunteers
- 100 people
- Sponsor
- Central Hospital, Nancy, France
Mental Fatigue, Emergency Paramedics' Fatigue
The Reliability Assessment of Emergency Paramedics' Fatigue Using Automated Pupillometry
Due to the limitations of current approaches to assess emergency paramedics' fatigue, a portable, quick, easy, and objective technique is required to be developed.
- Trial name
- NCT04954430
- Testing
- pupillometer
- Where
- China
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Cannabis Intoxication, Drug Effects
The Efficacy of a Smart Phone-based Test on Measuring Pupillary Light Reflex Alterations Following Cannabis Use Healthy in Adults
The goal of this open label study is to evaluate the efficacy of smart phone-based test (SOBEREYE OPTOVERA) on measuring pupillary light reflex (PLR) alterations following cannabis use healthy in adults.
- Trial name
- NCT06967051
- Testing
- Tetrahydrocannabinol (10 mg), Tetrahydrocannabinol (25 mg), Pupillary Light Reflex (PLR) Test
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Sobereye Inc.
Pain
Pupillary Dilation Reflex (PDR) Evaluation During General Anesthesia
In this study, the pupillary dilation reflex is measured as a nociceptive indicator during elective abdominal surgery under general anesthesia.
- Trial name
- NCT02942316
- Testing
- Pupil dilation reflex measurement
- Where
- Belgium
- Volunteers
- 41 people
- Sponsor
- University Hospital, Antwerp
Endoscopic Sinus Surgery
SPI-guided vs PRD-guided Analgesia During FESS for Intraoperative Blood Loss
The aim of this randomized trial is to assess the efficacy of analgesia , compare the utility of Pupillary Dilatation Reflex (PRD), Surgical Pleth Index (SPI) for monitoring pain perception intraoperatively and their influence on…
- Trial name
- NCT03389763
- Testing
- Remifentanil
- Where
- Poland
- Volunteers
- 105 people
- Sponsor
- Medical University of Silesia
Eligible for Day Case Surgery
Prediction of Pre-operative Anxiety by Heart Variability and Pupillometry
The purpose of this study is to determine whether heart rate variability levels and pupillometric measures are effective objective predictors of anxiety among patients before surgery.
- Trial name
- INNOVANX (NCT04154410)
- Testing
- Analgesia Nociception Index, algiscan
- Where
- France
- Volunteers
- 71 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Neurogenic Bladder
Bioavailability of Vagantin® Coated Tablets Relative to an Oral Methantheline Bromide Solution
The primary objective of the study is: •To describe extent and rate of absorption of methantheline after single oral dose administration of Vagantin® coated tablets (Test) in comparison to a methantheline bromide solution…
- Trial name
- NCT01429090
- Testing
- blood sampling, Vagantin®, methantheline solution
- Where
- Germany
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Medicine Greifswald
Drug Effect (Glaucoma Drugs)
Pupillary Response After Glaucoma Medication
Investigation of the effect on the pupillary constriction by latanoprost, dorzolamide,timolol in healthy subjects. The pupillary constriction is compared to no drug.
- Trial name
- pupil (NCT02522039)
- Testing
- Latanoprost, Timolol, Dorzolamide
- Where
- Denmark
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Glostrup University Hospital, Copenhagen
Critical Illness
The Use of Nociception Flexion Reflex and Pupillary Dilatation Reflex in ICU Patients.
The aim of the study was to describe the feasibility of the nociception flexion reflex and the pupillary dilatation reflex as objective pain assessment tools in the Intensive Care Unit (ICU).
- Trial name
- NCT02916004
- Testing
- Measurement of NFR and PDR
- Where
- Belgium
- Volunteers
- 40 people
- Sponsor
- University Hospital, Antwerp
Acute Brain Injury, Pupillary Reflex Impaired
Outcome pRognostication of Acute Brain Injury With the NeuroloGical Pupil indEx
The use of quantitative, automated, infrared technology for pupillary examination has long been used in ophthalmology and anesthesiology research.
- Trial name
- ORANGE (NCT04490005)
- Testing
- pupillometry
- Where
- 14 sites in United States, Belgium and 6 more
- Volunteers
- 118 people
- Sponsor
- University of Milano Bicocca
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
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