Clinical trials: Pupillometry
Speech, Memory, Delayed
Effects of Clear Speech on Listening Effort and Memory in Sentence Processing
Sensorineural hearing loss (SNHL) is among the most prevalent chronic conditions in aging and has a profoundly negative effect on speech comprehension, leading to increased social isolation, reduced quality of life, and increased…
- Conditions
- Speech, Memory, Delayed, Sensorineural Hearing Loss
- Trial name
- NCT06053190
- Testing
- Sentence stimulus, Speaking style
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Utah
Hydrocephalus, Critical Care
Quantitative Pupillometry
The aim of this study is to assess the diagnostic ability of quantitative pupillometry for the early detection of hydrocephalus during the weaning process of the external ventricular drain.
- Trial name
- HYDRO-NiP (NCT05386303)
- Where
- 2 sites in France
- Volunteers
- 60 people
- Sponsor
- Nantes University Hospital
Sensorineural Hearing Loss, Cochlear Hearing Loss
Listening Effort in Cochlear Implant Users
Listening with a cochlear implant remains difficult and most listeners will report high levels of listening effort.The present study is a "pilot" aiming to evaluate listening effort for cochlear implant users.
- Trial name
- NCT03212924
- Testing
- Pupillometry, Evaluation of speech comprehension in quiet, Evaluation of speech comprehension in noise
- Where
- France
- Volunteers
- 16 people
- Sponsor
- Oticon Medical
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
Analgesics, Antipyretics and Anti-Inflammatory Drugs Causing Adverse Effects in Therapeutic Use
Developing a Method to Objectively Measure Opioid Analgesia
Inappropriate prescribing is the fundamental upstream driver of the opioid epidemic. Objective measures to determine the appropriateness of an opioid intervention, provide monitoring of the therapy for adequacy of dose and…
- Trial name
- NCT03605966
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Julia Finkel
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
Pain, Acute
Pharmacokinetics and Pharmacodynamics of TRV130, Morphine, and Placebo in Healthy Subjects
This study is designed to compare TRV130 to placebo and morphine to learn about its effects on pain relief and side effects.
- Trial name
- NCT02083315
- Testing
- TRV130 1.5 mg, TRV130 3 mg, TRV130 4.5 mg
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Trevena Inc.
Anesthesia
Hypnotic and Anti-nociceptive Components of Magnesium
The aim of our study is to evaluate the effect of magnesium on the hypnotic effect of propofol.
- Trial name
- NCT05005494
- Testing
- Magnesium sulfate IV
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Liege
Depression, Pain
Paroxetines Effect on Tramadols Metabolism and Pharmakodynamics: a Dose Response Study
The purpose of the study is to examine the connection between the dose of paroxetine and the effect of paroxetine on tramadols metabolism and thereby the effect of tramadol on the median pupil size.
- Trial name
- NCT00785603
- Testing
- Paroxetine, Tramadol
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
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
Postoperative Pain
PPI-guided Postoperative Pain Therapy in the OR
The study will be designed to investigate the effect of pupillary pain index (PPI)-guided compared to non-PPI-guided postoperative pain therapy, conducted immediately at the end of surgery, on total postoperative opioid…
- Trial name
- NCT04176289
- Testing
- PPI measurement
- Where
- Austria
- Volunteers
- 62 people
- Sponsor
- Medical University of Vienna
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
Autism Spectrum Disorders
Social Interactions: Ocular Explorations and Pupillometry in Autism
The primary objective of this work will first to characterize in typical childhood, visual exploratory behavior and pupillary response associated with salience of human social stimuli (faces and body movements), and then to…
- Trial name
- ISEOP (NCT01647295)
- Where
- France
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
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
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
Traumatic Brain Injury
Pupillometry for the Prediction of Neurologic Outcomes in Severe Traumatic Brain Injury
Traumatic brain injury (TBI) is a major cause of morbidity and mortality in the US. The CDC states that 1.7 million people sustain a traumatic brain injury each year, with death occurring in 52,000 of these injured patients.
- Trial name
- NCT02465242
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- Our Lady of the Lake Hospital
Alzheimer Disease, Mild Cognitive Impairment
Novel Diagnostic and Disease Stage Biomarkers in AD
This study will investigate the efficacy of novel biomarkers, namely blood-based biomarkers, pupillometry and actigraphy to track and predict progression of Alzheimer's disease (AD).
- Conditions
- Alzheimer Disease, Mild Cognitive Impairment, Neuro-Degenerative Diseases, Vascular Dementia
- Trial name
- TRACK-AD (NCT05175664)
- Testing
- Long-term study, Short-term study, Cross-sectional study
- Where
- Denmark
- Volunteers
- 350 people
- Sponsor
- Danish Dementia Research Centre
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
Opiate Dependent, Previous Illicit Drug Use
Pupillometry and Pain Thresholds Patients Substituted by Methadone and Buprenorphine
The purpose is to study the relation between pupillary diameter measured under scotopic conditions, and the pain thresholds measured at the time of peak and residual effect of methadone/buprenorphine in opiate-dependent patients…
- Trial name
- PUPIDOL (NCT01560442)
- Testing
- Buprenorphine and Methadone Hydrochloride
- Where
- France
- Volunteers
- 100 people
- Sponsor
- University Hospital, Clermont-Ferrand
Postoperative Delirium
Automated Pupillometry in Patients Underwent Cardiac Surgery to Predict Postoperative Delirium
The rate of postoperative delirium in patients who underwent cardiac surgery is very high. Different predictors and/or scores were studied for the prediction of Post Operative Delirium (POD)after heart surgery, but none of them…
- Trial name
- NCT06255132
- Testing
- Automated pupillometer NPi-200
- Where
- Italy
- Volunteers
- 80 people
- Sponsor
- Azienda Ospedaliera Universitaria Integrata Verona