Clinical Trials About "Localizing the Epileptogenic Zone With High Resolution Electroencephalography in Presurgical Evaluation of Partial Epilepsies" RSS

14:29 EST 16th December 2018 | BioPortfolio

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Showing "Localizing Epileptogenic Zone With High Resolution Electroencephalography Presurgical" Clinical Trials 1–25 of 13,000+

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Localizing the Epileptogenic Zone With High Resolution Electroencephalography in Presurgical Evaluation of Partial Epilepsies

Multicenter prospective study comparing the diagnosis value of high-resolution EEG and depth-EEG to localize the epileptogenic zone in drug resistant partial epilepsies.

National Study on the Interest of EEG-fMRI in the Presurgical Evaluation of Partial Epilepsies Drug

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 ...

Mapping of the Epileptic Brain

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.

Study of Predictive Biomarkers for Rational Management of Drug-resistant Epilepsy Associated With Focal Cortical Dysplasia

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 ...

Cortical Excitability Assessment Using Paired Pulses

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...

Impact of Thermocoagulation During Invasive EEG Monitoring in Children With Focal Drug-resistant Epilepsies

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...

Improving EPilepsy Surgery Management and progNOsis Using Virtual Epileptic Patient Software (VEP)

Every year, thousands of patients worldwide with drug resistant focal epilepsy (DRE) undergo resective brain surgery with the aim of achieving seizure freedom. Despite technical advances over the last 50 years, the success rate of epilepsy surgery in terms of seizure freedom has not greatly improved, remaining overall at around 50%. Depending on features of individual cases, presurgical evaluation includes a first phase of non-invasive data including video-EEG recordings, magn...

Intracerebral Electrical Stimulation and the Optimisation of Presurgical Planning in Drug-refractory Partial Epilepsy

Patients with drug-refractory epilepsy sometimes need to be implanted with intracerebral electrodes in order to identify their seizure onset zone. During this procedure, direct electrical brain stimulations represent a standard clinical practice to assess seizure sensitivity and for functional mapping. This study aims at assessing if extending the range of stimulation frequencies of the usual clinical frequencies is of benefit for the definition of the seizure onset zone and he...


Concomitant High-resolution Recording of Haemodynamic and Electrical Activities of Children With Typical or Atypical Absence Seizures

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...

Electrohaemodynamic Activity in Epileptic Children : Combined Video-EEG and Near-infrared Spectroscopy (NIRS) Analysis

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.

Ultra High Field MRI of Focal Pediatric 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...

Noninvasive Pre-surgical Evaluation of Patients With Focal Epilepsy

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 Intra-arterial Injection

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, ...

Clinical Utility of ESI in Presurgical Evaluation of Patients With Epilepsy

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...

Transthoracic Sonography Versus High Resolution Computed Tomography in Alveolar Intersitial Syndrome

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.

High-resolution Ultrasound in Lower Extremity Nerves and Common Fibular Neuropathies.

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...

Study on Neurocognitive Plasticity in Patients With Focal and Drug-resistant Epilepsy

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.

Safety and Efficacy of CD10367 in Psoriasis Vulgaris

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.

Combined Role of Position Emission Tomography (PET) and Magnetoencephalography (MEG) in Nonlesional Epilepsy

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.

Presurgical Planning With Functional MRI (fMRI) Mapping of Motor Cortex in Patients With Cerebral Tumors

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.

Gemcitabine for Marginal Zone Lymphoma

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...

MALIBU Trial - Combination of Ibrutinib and Rituximab in Untreated Marginal Zone Lymphomas

Single-arm, phase II clinical trial of patients with Extranodal Marginal Zone Lymphoma (EMZL). It is planned to recruit 130 patients. Additional patients with Splenic Marginal Zone Lymphoma (SMZL), up to 15, and Nodal Marginal Zone Lymphoma (NMZL), up to 15, will be included in the trial in order to preliminary explore the clinical activity and safety of the combination treatment proposed. The study primary endpoints will be analysed on the EMZL population. Outcome of patient...

MRI Imaging of the Human Larynx

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.

Towards an Objectivation of the Therapeutic Effect of a Rocking Movement

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.

VEGF Concentrations After Intravitreal Bevacizumab vs Ranibizumab as a Treatment for Type 1 ROP

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...

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