Seizures Clinical Trial
Official title:
Acute Effects of Focused Ultrasound Modulation on EEG Behavior in Status Epilepticus Patients
In this study, the investigators propose Pulsed Low-Intensity Focused Ultrasound (PLIFU) stimulation of brain regions that modulate (thalamus) or generate focal motor seizures (primary motor cortex), with the goal of ameliorating seizure activity in subjects in non-convulsive or focal motor status epilepticus. The course of treatment will consist of an initial 10 minute PLIFU treatment session with an option for a 2nd session if necessary. The primary objective of this study is to determine whether PLIFU reduces or suppresses epileptic activity in patients with Non-Convulsive Status Epilepticus (NCSE)/Focal Motor Status Epilepticus (FMSE) that have not responded to standard of care.
This study proposes to sonicate epileptic zones or circuits at the bedside with a custom built PLIFU device in two groups of participants experiencing non-convulsive seizures while treated in the Intensive Care Unit (ICU): 1) non-convulsive SE or 2) focal motor Status Epilepticus (SE), targeting the thalami or motor cortical areas responsible for generating ictal activity, respectively. PLIFU modulation is non-ablative, nonionizing, and noninvasive, while it also preserves the integrity and function of brain tissue. The aim is to quantify ictal and interictal EEG before, during, and after sonication. Experiments will not alter the standard of care and only be implemented after antiseizure medications (ASMs) have been delivered to the patient. PLIFU sonication will be delivered to participants using burst tone and nonthermal parameters for 10 minute exposures. Hypothesis: PLIFU is a safe and non-invasive treatment that can reduce or suppress epileptic activity. The pilot data acquired is intended to be used as preliminary data for justifying a larger study. ;
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