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We list hundreds of Clinical Trials about "Localizing the Epileptogenic Zone With High Resolution Electroencephalography in Presurgical Evaluation of Partial Epilepsies" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Multicenter prospective study comparing the diagnosis value of high-resolution EEG and depth-EEG to localize the epileptogenic zone in drug resistant partial epilepsies.
The main goal of this study is to evaluate the additional value of EEG-fMRI method in the presurgical evaluation of focal intractable epilepsy. To consider a patient for surgery, the main difficulty is to define accurately the epileptogenic zone. This definition is complex and is often supported by several types of exploration (MRI, FDG PET, neuropsychological testing, video-EEG...). In this study we will evaluate the adding value of the simultaneous recording of EEG and fMRI ...
This study aims improving the outcome after brain resective surgery of epileptic patients by improving presurgical evaluations. In particular the specific goal is to evaluate the ability of non invasive neuroimaging (functional magnetic resonance imaging and electroencephalography) to provide presurgical maps of the functional areas of the brain and of the epileptogenic networks.
Focal Cortical Dysplasias (FCDs) are neurodevelopmental disorders that represent a major cause of early onset drug-resistant epilepsies with cognitive and behavioral impairments, carrying a lifelong perspective of disability and reduced quality of life. Despite a major medical and socio-economic burden, rationale therapeutic strategies are still under debate. Surgical removal of the epileptogenic brain area (Epileptogenic Zone) is the most successful treatment, yet it fails to ...
The identification of the epileptogenic zone (EZ) during pharmacoresistant focal epilepsy presurgical assessment frequently requires intracranial recordings like stereo-electroencephalography (SEEG). Cortical direct electrical stimulation (DES) is commonly used during SEEG for functional mapping or to induce seizure. However, the recording of seizures is sometimes insufficient to circumscribe the EZ and development of new biomarkers is necessary. The cortex within the E...
When focal epilepsies become drug-resistant, it could be eligible for cortical surgical resection. Therefore, an invasive EEG monitoring with depth electrodes is often needed during presurgical evaluation. Some of these children can have access to thermocoagulation inside the ictal onset zone, at the end of the monitoring and before to remove the electrodes. These thermocoagulations can disorganize the epileptogenic network thanks to millimetric cortical lesions around the elec...
This study, conducted in children with typical or atypical "absence" epilepsy, will consist of noninvasive recording of the metabolic activity of the brain concomitantly with electroencephalographic recording during seizures without the need for any additional examination. This examination will be performed by combining near-infrared spectroscopy (NIRS) optical imaging and Electroencephalography (EEG) in a simultaneous High-Resolution (HR) recording. Surface electroencep...
This study is designed to evaluate the contribution of multimodal high-resolution EEG-NIRS electrical and local haemodynamic analysis (HR-EEG, HR-NIRS) to spatial localization of epileptogenic foci in order to perform multimodal mapping and localization of interictal spikes (by HR-EEG source reconstruction) with the clinical prospects of guiding the SEEG electrode implantation strategy prior to surgery in children with drug-refractory partial epilepsy.
Epilepsy affects a significant number of children in the United States. The majority of patients achieve control of their seizures by conventional treatment strategies including medications. However, one third of patients do not achieve satisfactory seizure control with medications alone. Ketogenic diet and lifestyle modifications may also be tried. In some of these children, the seizure focus can be localized to one area of the brain and the seizures are resistant to conservat...
Objectives: The overall study objective is to compare the sensitivities and specificities of morphometric analysis techniques using structural MRI images based on pre- and postsurgical localization of epileptic foci in patients undergoing presurgical evaluation for medically refractory epilepsy. To carry out these analyses, we aim to establish an age-stratified normative imaging database using healthy volunteers. Additional objectives are to identify abnormal networks ...
Ictal SPECT with intravenous injection in a cubital vein of a perfusion tracer is an established technique to localize the ictal onset zone during presurgical evaluation of refractory focal epilepsy. When seizures last less than 10 seconds, localizing information is often not obtained. Since it takes around 30 seconds before the tracer reaches the brain after intravenous injection, ictal hyperperfusion most likely has already switched to postictal hypoperfusion. In this study, ...
This study evaluates to what extend electrical source imaging (ESI) provides nonredundant information in the evaluation of epilepsy surgery candidates. Epilepsy surgery normally requires an extensive multimodal workup to identify the epileptic focus. This workup includes Magnetic Resonance Imaging (MRI), electroencephalography (EEG) without source imaging, video monitoring and when needed Positron Emission Tomography (PET), Magnetoencephalography (MEG), Single Photon Emission C...
High resolution computed tomography of the chest is the gold standard imaging modality for most pulmonary diseases. However, the associated high expenses, radiation exposure , and its limited possibility for bedside use are a limitation.
This study establishes reference material of selected lower extremity nerves at pre-defined sites with high-resolution ultrasound. Furthermore in this study, high-resolution ultrasound of patients with common fibular compression neuropathy and patients with type 2 diabetic polyneuropathy involving the common fibular nerve will be examined and compared to healthy controls. High-resolution ultrasound measurements will be correlated with history, clinical information and electroph...
This study consist of define anatomo-functional reorganization (plasticity) profiles for the mentioned cognitive functions, before surgery (chronic plasticity induced by the epileptogenic zone) in patients with drug-resistant epilepsy. For that, patients will have 2 MRI examinations, one before surgery and the second, between 3 and 8 months after surgery.
This is an exploratory, single-centre, investigator blinded, randomized, controlled, intra-individual study, involving subjects with psoriasis vulgaris. The objective is to evaluate, in a modified Dumas-Scholtz psoriasis mini-zone test, the safety and efficacy of CD10367 solution at 1% and 3% after a 3-week treatment period of once daily application.
The first aim of this study are to evaluate the lobar concordance of FDG-PET and MEG with intracranial electrographic study in children with intractable partial epilepsy. The second aim is to determine if the combined role of FDG-PET and MEG improve detection of epileptogenic zone as defined by invasive intracranial recordings.
Marginal zone lymphoma, one of the indolent lymphoma, is believed to be incurable with chemotherapy. Thus the investigators need a novel agent for marginal zone lymphoma. Gemcitabine has been tried as one of salvage chemotherapy regimen and has been shown to have anti-lymphoma activity. To the investigators' knowledge, there has been no trial of gemcitabine for marginal zone lymphoma. Thus the investigators made a plan to investigate the role of gemcitabine in marginal zone lym...
The purpose of this study is to determine if functional MRI is precise enough to be used in preoperative decision making for patients who have brain tumors.
The study evaluates the benefits of a rocking movement on well-being and attention, through high-density electroencephalography recordings. The effect of the rocking movement is compared to a seated position and a lying position.
To determine if high resolution MRI can detect early invasion of cartilage by laryngeal carcinoma, and to determine if high resolution MRI may be superior to conventional MRI imaging or CT imaging to detect cartilage invasion.
The Retinopathy of Prematurity (ROP) is one of the leading causes of blindness on the pediatric age worldwide. This pathology is characterized for arrest of the normal vascular and neuronal retina that because of pathological compensatory mechanisms results in proliferation of vascular tissue that grow in the limit between the vascular retina and the avascular retina. The ET-ROP group classified the ROP by those who need treatment immediately or those who doesn't need tr...
The purpose of this study is to evaluate if it is possible to use a new 3D imaging method to guide Botulinum neurotoxin (BTX) injection for muscle spasticity management after stroke. This imaging method is called three dimensional innervation zone imaging, or 3DIZI.
Epilepsy is a devastating chronic disease due to multiple causes that affect close to 50% of the world's population. Although effective, epilepsy surgery fails in many cases, the percentage of patients free from crisis on a long term (≥ 5 years) varies from 27% to 66% according to the kind of epilepsy. It is in this context that EPISTIM is interesting, and its aims isb a better electrophysiology delimiting of cortical networks that imply the genesis of seizures with ...
The present project aims at evaluating the diagnostic potential of high-field MRI (3 Teslas) for joint disease. At this field, given that isotropic image resolution of 400 microns can be obtained, one could expect an early detection of joint abnormalities. The additional aim of this project will be to develop a quantitative analyse of the corresponding high-resolution images.