Cortical Excitability & Treatment Response in People With Epilepsy

Status Active, not recruiting

Clinical Trial Summary

Epilepsy is a medical condition marked by the occurrence of unpredictable, recurrent seizures. One-third of people with epilepsy continue to experience seizures, despite having attempted multiple forms of anti-seizure medication (ASM). Currently, response to ASM is assessed on a trial-and-error basis as their efficacy can only be determined in hindsight. This causes delays in finding the proper treatment per individual. Responsiveness of the outer brain layer to external stimuli, termed cortical excitability (CE), may be used as additional means of treatment evaluation. In this study, the investigators aim to measure CE before and after starting with ASM, so as to determine whether indicators of CE can be used to predict favorable response to the medication. Participants in this study are adult individuals with uncontrolled seizures that will start with the novel anti-seizure medicine cenobamate. The investigators hypothesize that, after starting with ASM, the CE will decrease in people with epilepsy who show a favorable response to the medication. Conversely, the investigators anticipate that the CE will not decrease in those that do not react to the mediation. The investigators will address this hypothesis by evaluating both brain activity (electroencephalography, EEG) during rest and during different types of stimulation (magnetic, light flashes). Besides, the investigators will measure the subjective experiences of participants by using questionnaires on the quality of life and feelings of anxiety or depression. These measurements are performed at a baseline instance, just before starting with ASM, and at two instances after start with the ASM. Participants in the study will track the occurrence of seizures - using a diary - from 12 weeks before ASM start up till 12 months after ASM start. The investigators will compare seizure frequency with both changes in brain activity and subjective experiences by the participants.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Epilepsy

Clinical Trial Details

NCT number	NCT05551403
Study type	Interventional
Source	Stichting Epilepsie Instellingen Nederland
Contact
Status	Active, not recruiting
Phase	N/A
Start date	March 16, 2022
Completion date	January 7, 2025

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Cortical Excitability and Treatment Response in People With Epilepsy — eCORTA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms