Clinical trials: Evoked Potentials
Brain Diseases
Effects of Sensory Flicker and Electrical Flicker Stimulation
The study will evaluate whether sensory flicker can modulate neural activity of deep brain regions in humans, and whether it can have relevant effects on behavior.
- Trial name
- NCT04188834
- Testing
- Customized version of DAVID device, Blackrock CereStim
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Emory University
Back Pain With Radiation
Evaluation of the Percutaneous SCS Trial Using the DSSEP Collision Testing
This study is to objectively evaluate the success of a spinal cord stimulator (SCS) trial using testing (DSSEP) to determine if the paresthesia (tingling sensation) or pain reduction achieved correlates with the degree of…
- Trial name
- NCT02614079
- Testing
- DSSEP
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- University of Toledo Health Science Campus
Ischemic Optic Neuropathy
Safety and Efficacy of Using SightSaver Visual Evoked Potential (VEP) for VEP Monitoring in Prone Spine Surgery
Post-operative visual loss (POVL) following non-ocular surgical procedures is an infrequent but severe complication. Little is understood about this complication, but most cases seem to result from loss of blood flow to the optic…
- Trial name
- SightSaver (NCT02643615)
- Testing
- VEP under TIVA, VEP under balanced anesth., Propofol
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Ohio State University
Evoked Potentials, Healthy Volunteers
Acupuncture and Auditory Evoked Potentials
To investigate whether body acupuncture of acupuncture points specific for hearing influences the auditory avoked potentials in comparison to puncture of non-specific acupuncture points
- Trial name
- NCT00333606
- Testing
- Acupuncture
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Taras Usichenko
Parkinson Disease
Scalar Closed Loop Intraoperative Study
The purpose of this study is to measure neural activity during deep brain stimulation (DBS). There are two types of neural activity that we will record from DBS electrodes during this study: DBS local evoked potentials (DLEPs)…
- Trial name
- NCT03270657
- Testing
- IPG; RC+S
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Dennis Turner, M.D.
Major Depressive Disorder
A Study to Investigate Evoked Potentials as Markers of Ketamine-induced Cortical Plasticity in Patients With Major Depressive Disorder
To evaluate if somatosensory evoked potentials (SEPs) and motor evoked potentials (MEPs) obtained with electroencephalography (EEG) and electromyography (EMG) can be used to detect changes in cortical plasticity in responders to…
- Trial name
- NCT01957410
- Testing
- Ketamine
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Janssen Research & Development, LLC
Chronic Pain
Electrically Evoked Compound Action Potentials Human Observation Medtronic Algorithm Comparison Study
This is a prospective, multi-center, randomized, single-blind, cross-over, non-significant risk IDE research study to evaluate the in-clinic performance of a closed-loop algorithm in Spinal Cord Stimulation (SCS) therapy with an…
- Trial name
- ECHO-MAC (NCT04765735)
- Testing
- Open-loop testing, Closed-loop testing - External Spinal Cord Stimulator (SCS)
- Where
- 9 sites in United States
- Volunteers
- 52 people
- Sponsor
- MedtronicNeuro
Conscious Sedation, Deep Sedation
Effects of Two Different Sedation Regimes on Auditory Evoked Potentials and Electroencephalogram (EEG)
Sedation may be necessary in intensive care to facilitate diverse therapeutic interventions, but the use of sedative drugs may increase the risk of delirium and long-term cognitive impairment.
- Conditions
- Conscious Sedation, Deep Sedation, Critical Care
- Trial name
- NCT00641563
- Testing
- Dexmedetomidine, Midazolam, Remifentanil
- Where
- Switzerland
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Glaucoma Diagnosis
How Accurately Does the Diopsys Visual Evoked Potential (VEP) Vision Testing System Detect Glaucoma?
Evaluate sensitivity and specificity of NOVA-DN visually evoked potentials (VEP) protocol and new software method (Corda) for glaucoma detection using optical coherence tomography (OCT) images to differentiate between normal…
- Trial name
- NCT02622178
- Testing
- Optical Coherence Tomography, Visual evoked potential
- Where
- United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Idiopathic Scoliosis
Anesthesia and Motor Evoked Potential (MEP) Recruitment
Test the hypothesis to recruit larger motor responses to transcranial stimulation.
- Trial name
- NCT02199314
- Testing
- Desflurane
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Optic Neuropathy, Ischemic
A Study to Assess Whether PDE5 Inhibitors Increase the Chance of Triggering the Onset of Acute NAION
The objective of this non-interventional study is to examine whether use of Phosphodiesterase Inhibitors (PDE5s), including use of sildenafil, vardenafil, or tadalafil, triggers the onset of acute NAION.
- Trial name
- NCT00759174
- Testing
- No intervention
- Where
- 105 sites in United States, France and 4 more
- Volunteers
- 673 people
- Sponsor
- Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Postoperative Nausea
Effect of Fosaprepitant on Motor Evoked and Somatosensory Evoked Potentials Under General Anesthesia
The purpose of this study is to determine if intravenous fosaprepitant can interfere with nervous system monitoring signals in patients having surgery under general anesthesia.
- Trial name
- NCT03197064
- Testing
- Fosaprepitant 150 mg
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Stanford University
Evoked Potentials, Visual
A Novel Method for Capturing the Visual Evoked Potential During Spine Surgery Under Total Intravenous Anesthesia
Spine surgery in the prone position (which involves lying face down) is associated with various visual changes, ranging from temporary changes in acuity (or sharpness) to permanent blindness.
- Trial name
- VEP (NCT02563028)
- Testing
- SightSaver Visual Stimulator
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Hospital for Special Surgery, New York
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Scoliosis
Susceptibility of Motor-Evoked Potentials to Varying Targeted Blood Levels of Dexmedetomidine
Reduction of the spinal cord injuries during scoliosis surgery is a major goal of the anesthesia and surgical team. Despite improvement in scoliosis surgery over the years, the development of neurological deficits remains the…
- Trial name
- NCT00671931
- Testing
- low dexmedetomidine, low propofol, high dexmedetomidine, low propofol, Dexmedetomidine
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Posttraumatic Stress Disorder, Major Depressive Disorder
Predicting SSRI Efficacy in Veterans With PTSD
This is a research study to examine the effectiveness of a brief screening method that may predict which people with posttraumatic stress disorder (PTSD) or depression are most likely to show a positive response to selective…
- Trial name
- SSRI (NCT04183205)
- Testing
- LDAEP, sertraline
- Where
- 2 sites in United States
- Volunteers
- 19 people
- Sponsor
- VA Office of Research and Development
Attention Deficit Hyperactivity Disorder
Diagnostic Utility of Attention Deficit Hyperactivity Disorder (ADHD) by Brain Activity Flow Patterns Analysis Using Evoked Response Potentials
The purpose of this research study is to study a device called an electroencephalograph (EEG) in the diagnosis of treatment of attention deficit hyperactivity disorder (ADHD) in adults.
- Trial name
- NCT01063153
- Testing
- Osmotic Release Methylphenidate
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Healthy
Effectiveness of Two Different Doses of BI 1026706 on the Overall Peak-to-Peak (PtP) N2/P2-component Amplitude of Laser (Somatosensory, Radiant-heat) Evoked Potentials (LEP) in UVB(Ultraviolet)-Irradiated Skin in Healthy Male Volunteers
To investigate the influence of different doses of BI 1026706 on the primary endpoint (PtP-amplitude LEP in UV skin) compared to placebo. The comparison of both doses of BI 1026706 to celecoxib in the UVB treatment.
- Trial name
- NCT02037165
- Testing
- Pregabalin, BI 1026706, Celecoxib
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Boehringer Ingelheim
Schizophrenia
Addition of Ondansetron to Ongoing Antipsychotic Treatment for Schizophrenia
This study will examine the effects of ondansetron on auditory nerve activity in people with schizophrenia who are being treated with new antipsychotics.
- Trial name
- NCT00149734
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- University of Colorado, Denver
Posterior Cervical Decompression and Fusion
A Randomized Controlled Crossover Study Comparing Sugammadex and Placebo
Intraoperative monitoring of the motor evoked potentials has been shown to be both a sensitive and specific indicator for detecting intraoperative neurological injuries during spine surgery.(Fehlings, Brodke et al.
- Trial name
- NCT03087513
- Testing
- Sugammadex Injection [Bridion]
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- University Health Network, Toronto