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Objective
One third of epilepsy patients do not become seizure‐free using conventional medication. Therefore, there is a need for alternative treatments. Preclinical research using designer receptors exclusively activated by designer drugs (DREADDs) has demonstrated initial success in suppressing epileptic activity. Here, we evaluated whether long‐term chemogenetic seizure suppression could be obtained...
Objective
Deep brain stimulation (DBS) is an increasingly applied treatment for various neuropsychiatric disorders including drug‐resistant epilepsy, and it may be optimized by rationalizing the stimulation protocol based on increased knowledge of its mechanism of action. We evaluated the effects of minutes to hours of hippocampal DBS on hippocampal evoked potentials (EPs) and local field potentials...
Objective
More than one‐third of patients with temporal lobe epilepsy (TLE) continue to have seizures despite treatment with antiepileptic drugs, and many experience severe drug‐related side effects, illustrating the need for novel therapies. Selective expression of inhibitory Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) allows cell‐type‐specific reduction of neuronal excitability...
There is a continuous drive to find new, improved therapies that have a different mechanism of action in order to help diminish the sizable percentage of persons with pharmacoresistant epilepsy. Uric acid is increasingly recognized as contributing to the pathophysiology of multiple disorders, and there are indications that uric acid might play a role in epileptic mechanisms. Nevertheless, studies...
Objective
Drugs with a novel mechanism of action are needed to reduce the number of people with epilepsy that are refractory to treatment. Increasing attention is paid to neuropeptide systems and several anticonvulsant neuropeptides have already been described, such as galanin, ghrelin, and neuropeptide Y (NPY). Many others, however, have not been investigated for their ability to affect epileptic...
PurposeFifteen percent to 25% of patients with refractory epilepsy require invasive video–electroencephalography (EEG) monitoring (IVEM) to precisely delineate the ictal‐onset zone. This delineation based on the recorded intracranial EEG (iEEG) signals occurs visually by the epileptologist and is therefore prone to human mistakes. The purpose of this study is to investigate whether effective connectivity...
Purpose: Hippocampal deep brain stimulation (DBS) is an experimental therapy for patients with pharmacoresistant temporal lobe epilepsy (TLE). Despite the successful clinical application of DBS, the optimal stimulation parameters are undetermined. We evaluate the efficacy of a new form of DBS, using continuous stimuli with Poisson distributed intervals (Poisson distributed stimulation, PDS) in the...
Purpose: Despite different treatment options for patients with refractory epilepsy such as epilepsy surgery and neurostimulation, many patients still have seizures and/or drug‐related cerebral and systemic side effects. Local intracerebral delivery of antiepileptic compounds may represent a novel strategy with specific advantages such as the option of higher local doses and reduced side effects....
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