Clinical trials: Reflex, Pupillary
Anesthesia, Pain
Pupillometry Guided Remifentanil Administration In Pediatric Anesthesia
The aim of this prospective randomized study is to evaluate the impact of peroperative pupillometry monitoring on per and post-operative opioid consumption in pediatric anesthesia.
- Conditions
- Anesthesia, Pain, Child
- Trial name
- NCT02683837
- Testing
- Remifentanil, Pupillometry, Sevoflurane
- Where
- Switzerland
- Sponsor
- University Hospital, Geneva
Pain, Monitoring, Intraoperative
Evaluation of the Pupil Dilation Reflex in Response to Noxious Stimulation in Anaesthetized Children. A Proof of Concept Trial
After conduction a pilot study, pupillary dilation reflex (PDR) is measured in response to nociceptive stimulation perioperatively in infants, children and adolescents.
- Trial name
- Pain@OR-kids (NCT03449732)
- Testing
- PDR measurement
- Where
- Belgium
- Volunteers
- 20 people
- Sponsor
- University Hospital, Antwerp
Nociceptive Pain, Pupillary Light Reflex Lost
Clinical Trial Using Pupillometry to Measure Nociception in Healthy Volunteers.
Pupillometry has been used in healthy volunteers to investigate the usefulness of the pupil light reflex as an indicator of pain intensity on pressure as a nociceptive stimulus.
- Conditions
- Nociceptive Pain, Pupillary Light Reflex Lost, Healthy, Pain, Procedural
- Trial name
- NCT04864340
- Testing
- CE marked medical device, Algometer, Comparator
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Endoscopic Sinus Surgery
PRD-guided Analgesia During FESS for Intraoperative Blood Loss
The aim of this randomized trial is to assess the utility of Pupillary Dilatation Reflex (PRD) for monitoring pain perception intraoperatively and its influence on intraoperative blood loss, quality of surgical field using…
- Trial name
- FESSPRD (NCT03417206)
- Testing
- Remifentanil, pupillary dilatation reflex
- Volunteers
- 120 people
- Sponsor
- Medical University of Silesia
Cholecystectomy, Laparoscopic, Anesthesia, General
Comparison of Pupillometry-guided Anesthesia With Surgical Pleth Index Guided Anesthesia
In this study, the investigators measure a pupil size every 5 minutes during the operation in patients undergoing laparoscopic cholecystectomy under general anesthesia.
- Conditions
- Cholecystectomy, Laparoscopic, Anesthesia, General, Reflex, Pupillary
- Trial name
- PUPIL (NCT03586791)
- Testing
- Pupillometry guided anesthesia, SPI guided anesthesia, Standard management
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- Daegu Catholic University Medical Center
Healthy Participants
Pupillary Dilation Reflex in Healthy Volunteers
This a single site, observational study that will examine how the pupil responds to neurostimulation under different conditions in healthy adults.
- Trial name
- NCT07746167
- Testing
- No intervention (observational study)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
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
Cholecystectomy, Laparoscopic, Anesthesia, General
Effect of Pupilometer Guided Analgesia on Postoperative Pain
In this study, the investigators measure a pupil size every 5 minutes during the operation in patients undergoing laparoscopic cholecystectomy under general anesthesia.
- Conditions
- Cholecystectomy, Laparoscopic, Anesthesia, General, Reflex, Pupillary
- Trial name
- PUPIL_pain (NCT03794271)
- Testing
- Pupilometer guided anesthesia, SPI guided anesthesia
- Where
- South Korea
- Volunteers
- 84 people
- Sponsor
- Daegu Catholic University Medical Center
Smith-Magenis Syndrome, Autism Spectrum Disorder
Smith Magenis Syndrome and Autism Spectrum Disorders
Autism Spectrum Disorders (ASD) are a neurodevelopmental disorder. Their prevalence is estimated at around 0.4% of the general population worldwide.
- Trial name
- SMS/TSA (NCT05116904)
- Testing
- Assessment
- Where
- 2 sites in France
- Volunteers
- 40 people
- Sponsor
- Hospices Civils de Lyon
Failure of Respiratory Function
Evaluation of Pupillary Distension Reflexes, as a Tool for the Monitoring of Analgesia for Patients in Intensive Care.
Sedation-analgesia is an important therapy for patients in resuscitation. It requires a surveillance, in order to avoid excessive or insufficient dosages of sedative or nonmorphinics, sources of side effects.
- Trial name
- PUPILLO REA (NCT02843893)
- Testing
- Measure the minimum intensity of a painful stimulation
- Where
- France
- Volunteers
- 51 people
- Sponsor
- University Hospital, Grenoble
Hypoxic Encephalopathy
The Neurological Pupil Index (NPi) on Intensive Care Unit (ICU) Trial
The trial will evaluate the use of the "Neurological Pupil index" NPi, measured with the digital pupillometer (NeurOptics) compared to clinical examination for better reliability.
- Trial name
- NPI-ON-ICU (NCT01920347)
- Where
- 2 sites in Germany
- Volunteers
- 100 people
- Sponsor
- Charite University, Berlin, Germany
Postoperative Pain
Monitoring Pupillary Reflex Dilatation for Optimized Postoperative Opioid Delivery Before Extubation.
The study will be designed to investigate the effect of pupillometry guided compared to non-PPI-guided postoperative pain therapy, conducted immediately at the end of surgery before extubation, on total postoperative opioid…
- Trial name
- NCT04594382
- Testing
- Pupillometry-Opioid treatment, Pupillometry -standardized opioid treatment
- Where
- Austria
- Volunteers
- 140 people
- Sponsor
- Medical University of Vienna
General Anesthesia, Intraoperative Awareness
Neuro-Mimic Indicators of Anesthesia Depth During General Anesthesia
This prospective observational study will evaluate neuro-mimic indicators of anesthesia depth, including eyelid reflex, eyeball movements, and pupil responses, in patients undergoing elective surgery under general anesthesia.
- Conditions
- General Anesthesia, Intraoperative Awareness, Eye Movements
- Trial name
- NCT07199049
- Testing
- Neuro-Mimic Observation Protocol
- Where
- Turkey (Türkiye)
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Başakşehir Çam & Sakura City Hospital
Acute Vestibular Syndrome, Vertigo
Quantitative Eye Movement Measurements in Patients with Acute Vestibular Syndrome
BACKGROUND: A chief complaint of acute vertigo/dizziness is related to about 2.1-7.1% of all emergency department (ED) visits. About 25% of all patients with acute prolonged vertigo meeting diagnostic criteria of AVS (acute…
- Conditions
- Acute Vestibular Syndrome, Vertigo, Stroke Acute, Acute Unilateral Vestibulopathy (AUV)
- Trial name
- NCT06668857
- Testing
- video-oculography
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Alexander Tarnutzer
Healthy Volunteers
Effect of Ambient Light on the Parameters of the Pupillary Light Reflex
The purpose of this study is to determine the effects of varying luminescent levels on the pupillary response.
- Trial name
- NCT01207817
- Testing
- Pupillometry
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Medicine and Dentistry of New Jersey
Pain, Acute, Anesthesia
Pupillary Dilation Reflex Assessment for Intraoperative Analgesic Titration.
In this double blinded randomized controlled study, the pupillary dilation reflex is used for as a nociceptive indicator for opioid administration during elective surgery under general anesthesia.
- Trial name
- PUP-AIT (NCT03248908)
- Testing
- Pupillary dilation reflex, Standard of care
- Where
- Belgium
- Volunteers
- 120 people
- Sponsor
- University Hospital, Antwerp
Primary Open Angle Glaucoma, Primary Open-Angle Glaucoma, Unspecified Eye
Glaucoma Screening Using Dynamic Analysis of Computerized Pupillary Light Reflex Assessment Device
To explore an effective diagnostic tool of glaucoma through the dynamic analysis of computerized pupillary light reflex assessment device (CPLRAD) pupillography based on iris recognition techniques and investigate its feasibility…
- Conditions
- Primary Open Angle Glaucoma, Primary Open-Angle Glaucoma, Unspecified Eye, Primary Open Angle Glaucoma of Both Eyes, Suspect Glaucoma
- Trial name
- NCT04595227
- Testing
- Computerized pupillary light reflex assessment device
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking University
Chronic Pain, Impaired Pupillary Reflex
Pupil Response in Patients on Opioids.
Evaluation of pupillary reflex in patients on high-dose opioids. Clinical assessment of pain intensity, sedation score, and other side effects of opioids.
- Conditions
- Chronic Pain, Impaired Pupillary Reflex, Opioid-Related Disorders
- Trial name
- Pupillometry (NCT02247024)
- Where
- 2 sites in Norway
- Volunteers
- 63 people
- Sponsor
- Oslo University Hospital
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
Cardiac Arrest, Post-Anoxic Coma
Evaluation of the "Pupillary Pain Index" in Neurological Prognosis After Cardiac Arrest
Two-thirds of patients admitted to the Intensive Care Unit after a cardiac arrest die in the context of treatment withdrawal after a multimodal evaluation that determines an unfavorable neurological outcome.
- Conditions
- Cardiac Arrest, Post-Anoxic Coma, Anoxic Brain Injury
- Trial name
- CAPPI (NCT04336930)
- Testing
- Pupillary pain index (PPI)
- Volunteers
- 60 people
- Sponsor
- Central Hospital, Nancy, France