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Klein P, Kaminski RM, Koepp M, Löscher W. New epilepsy therapies in development. Nat Rev Drug Discov 2024:10.1038/s41573-024-00981-w. [PMID: 39039153 DOI: 10.1038/s41573-024-00981-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/29/2024] [Indexed: 07/24/2024]
Abstract
Epilepsy is a common brain disorder, characterized by spontaneous recurrent seizures, with associated neuropsychiatric and cognitive comorbidities and increased mortality. Although people at risk can often be identified, interventions to prevent the development of the disorder are not available. Moreover, in at least 30% of patients, epilepsy cannot be controlled by current antiseizure medications (ASMs). As a result of considerable progress in epilepsy genetics and the development of novel disease models, drug screening technologies and innovative therapeutic modalities over the past 10 years, more than 200 novel epilepsy therapies are currently in the preclinical or clinical pipeline, including many treatments that act by new mechanisms. Assisted by diagnostic and predictive biomarkers, the treatment of epilepsy is undergoing paradigm shifts from symptom-only ASMs to disease prevention, and from broad trial-and-error treatments for seizures in general to mechanism-based treatments for specific epilepsy syndromes. In this Review, we assess recent progress in ASM development and outline future directions for the development of new therapies for the treatment and prevention of epilepsy.
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Affiliation(s)
- Pavel Klein
- Mid-Atlantic Epilepsy and Sleep Center, Bethesda, MD, USA.
| | | | - Matthias Koepp
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Wolfgang Löscher
- Translational Neuropharmacology Lab., NIFE, Department of Experimental Otology of the ENT Clinics, Hannover Medical School, Hannover, Germany.
- Center for Systems Neuroscience, Hannover, Germany.
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Stefan H, Michelson G. Late onset epilepsy and stroke: Diagnosis, pathogenesis and prevention. Seizure 2024:S1059-1311(24)00168-7. [PMID: 38918106 DOI: 10.1016/j.seizure.2024.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 06/10/2024] [Accepted: 06/10/2024] [Indexed: 06/27/2024] Open
Abstract
The association of stroke and late-onset epilepsy (LOE) is discussed with special regard to its diagnosis, pathogenesis, and prevention. In addition to epidemiological data, including those from different age groups, the mechanisms for the development of acute symptomatic and remote symptomatic seizures are reviewed. The risk factors associated with seizures and post-stroke epilepsy (PSE) are considered, along with the methodological limitations of the study. For future research, the distinction between acute and remote symptomatic seizure before or after seven days from stroke onset should be reviewed because different acute symptomatic seizures (ASSs) themselves can entail a variable PSE risk. The definition of LOE by age is hitherto inconsistent. Comparing adult lifespan epochs, it is evident that stroke and seizures exhibit similar prevalence profiles. Young adulthood, old adulthood, and elderly epochs may be relevant for the differentiation of LOE subtype by age, vascular comorbidity, and other characteristics. A step-scheme strategy as a possible contribution to cerebrovascular prevention approaches is proposed.
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Affiliation(s)
- Hermann Stefan
- Department of Neurology, Biomagnetism, University Hospital Erlangen, Germany; Private Practice, 50, Allee am Röthelheimpark, Erlangen, Germany.
| | - Georg Michelson
- Department of Ophthalmology, University Hospital Erlangen, Germany; Private Practice, Parcside, 2, Am Stadtpark, Nuremberg, Germany
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Lattanzi S, Trinka E, Meletti S, Striano P, Matricardi S, Silvestrini M, Brigo F. A profile of azetukalner for the treatment of epilepsy: from pharmacology to potential for therapy. Expert Rev Clin Pharmacol 2024; 17:423-432. [PMID: 38571335 DOI: 10.1080/17512433.2024.2337012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 03/27/2024] [Indexed: 04/05/2024]
Abstract
INTRODUCTION Epilepsies are a group of heterogeneous brain disorder, and antiseizure medications (ASMs) are the mainstay of treatment. Despite the availability of more than 30 drugs, at least one third of individuals with epilepsy are drug-resistant. This emphasizes the need for novel compounds that combine efficacy with improved tolerability. AREAS COVERED A literature review on the pharmacology, efficacy, tolerability, and safety of azetukalner (XEN1101), a second-generation opener of neuronal potassium channels currently in Phase 3 development as ASM. EXPERT OPINION Results from the phase 2b clinical trial strongly support the ongoing clinical development of azetukalner as a new ASM. Its pharmacokinetic properties support convenient once-daily dosing, eliminating the need for titration at initiation or tapering at the conclusion of treatment. CYP3A4 is the main enzyme involved in its metabolism and drug-drug interactions can affect the drug exposure. Preliminary analysis of an ongoing open-label study reveals no reported pigmentary abnormalities. The upcoming Phase 3 clinical trials are expected to provide further insight into the efficacy, tolerability, and safety of azetukalner in treating focal-onset and primary generalized tonic-clonic seizures. Structurally distinct from currently marketed ASMs, azetukalner has the potential to be the only-in-class Kv7.2/7.3 opener on the market upon regulatory approval.
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Affiliation(s)
- Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Eugen Trinka
- Department of Neurology, Neurointensive Care, and Neurorehabilitation, Christian Doppler University Hospital, Salzburg, Austria
- Neuroscience Institute, Center for Cognitive Neuroscience, Christian Doppler University Hospital Salzburg, Salzburg, Austria
- Public Health, Health Services Research and HTA, University for Health Sciences, Medical Informatics and Technology, Hall, Austria
| | - Stefano Meletti
- Department of Biomedical, Metabolic and Neural Science, Center for Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Pasquale Striano
- Pediatric Neurology and Muscular Diseases Unit, Department of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, "G. Gaslini" Institute, University of Genoa, Genova, Italy
| | - Sara Matricardi
- Department of Pediatrics, University of Chieti, Chieti, Italy
| | - Mauro Silvestrini
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Francesco Brigo
- Innovation, Research and Teaching Service (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical Private University (PMU), Bolzano, Italy
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Koepp MJ, Trinka E, Mah Y, Bentes C, Knake S, Gigli GL, Serratosa JM, Zelano J, Magalhães LM, Pereira A, Moreira J, Soares‐da‐Silva P. Antiepileptogenesis after stroke-trials and tribulations: Methodological challenges and recruitment results of a Phase II study with eslicarbazepine acetate. Epilepsia Open 2023; 8:1190-1201. [PMID: 36944588 PMCID: PMC10472381 DOI: 10.1002/epi4.12735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 03/07/2023] [Indexed: 03/23/2023] Open
Abstract
There is currently no evidence to support the use of antiseizure medications to prevent unprovoked seizures following stroke. Experimental animal models suggested a potential antiepileptogenic effect for eslicarbazepine acetate (ESL), and a Phase II, multicenter, randomized, double-blind, placebo-controlled study was designed to test this hypothesis and assess whether ESL treatment for 1 month can prevent unprovoked seizures following stroke. We outline the design and status of this antiepileptogenesis study, and discuss the challenges encountered in its execution to date. Patients at high risk of developing unprovoked seizures after acute intracerebral hemorrhage or acute ischemic stroke were randomized to receive ESL 800 mg/d or placebo, initiated within 120 hours after primary stroke occurrence. Treatment continued until Day 30, then tapered off. Patients could receive all necessary therapies for stroke treatment according to clinical practice guidelines and standard of care, and are being followed up for 18 months. The primary efficacy endpoint is the occurrence of a first unprovoked seizure within 6 months after randomization ("failure rate"). Secondary efficacy assessments include the occurrence of a first unprovoked seizure during 12 months after randomization and during the entire study; functional outcomes (Barthel Index original 10-item version; National Institutes of Health Stroke Scale); post-stroke depression (Patient Health Questionnaire-9; PHQ-9); and overall survival. Safety assessments include the evaluation of treatment-emergent adverse events; laboratory parameters; vital signs; electrocardiogram; suicidal ideation and behavior (PHQ-9 question 9). The protocol aimed to randomize approximately 200 patients (1:1), recruited from 21 sites in seven European countries and Israel. Despite the challenges encountered, particularly during the COVID-19 pandemic, the study progressed and included a remarkable number of patients, with 129 screened and 125 randomized. Recruitment was stopped after 30 months, the first patient entered in May 2019, and the study is ongoing and following up on patients according to the Clinical Trial Protocol.
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Affiliation(s)
- Matthias J. Koepp
- UCL Queen Square Institute of NeurologyLondonUK
- National Hospital for Neurology and NeurosurgeryLondonUK
| | - Eugen Trinka
- Department of NeurologyChristian‐Doppler University Hospital, Paracelsus Medical University, Centre for Cognitive Neuroscience, Member of EpiCARESalzburgAustria
- Neuroscience Institute, Christian‐Doppler University HospitalParacelsus Medical University, Centre for Cognitive NeuroscienceSalzburgAustria
- Institute of Public Health, Medical Decision‐Making and HTAUMIT – Private University for Health SciencesMedical Informatics and TechnologyHall in TyrolAustria
| | - Yee‐Haur Mah
- King's College Hospital NHS Foundation TrustLondonUK
- School of Biomedical Engineering and Imaging SciencesKing's College LondonLondonUK
| | - Carla Bentes
- Reference Centre for Refractory Epilepsies (Member of EpiCARE)Hospital de Santa Maria‐CHULNLisbonPortugal
- Department of Neuroscience and Mental Health (Neurology)Hospital de Santa Maria‐CHULNLisbonPortugal
- Centro de Estudos Egas MonizFaculdade de Medicina da Universidade de LisboaLisbonPortugal
| | - Susanne Knake
- Department of Neurology, Epilepsy Centre HessenPhilipps‐University MarburgMarburgGermany
| | - Gian Luigi Gigli
- Clinical Neurology Unit, Department of Medicine (DAME)University of UdineUdineItaly
| | - José M. Serratosa
- Department of Neurology and Laboratory of Neurology, Fundación Instituto de Investigación Sanitaria‐Fundación Jiménez DíazAutónoma UniversityMadridSpain
- Centro de Investigacion Biomedica en Red de Enfermedades Raras (CIBERER)MadridSpain
| | - Johan Zelano
- Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Wallenberg Centre for Molecular and Translational MedicineUniversity of GothenburgGothenburgSweden
- Department of NeurologySahlgrenska University HospitalGothenburgSweden
| | | | | | | | - Patrício Soares‐da‐Silva
- Bial—Portela & Cª, S.A.CoronadoPortugal
- Department of BiomedicinePharmacology and Therapeutics Unit, Faculty of MedicineUniversity PortoPortoPortugal
- MedInUP—Center for Drug Discovery and Innovative MedicinesUniversity PortoPortoPortugal
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Perversi F, Costa C, Labate A, Lattanzi S, Liguori C, Maschio M, Meletti S, Nobili L, Operto FF, Romigi A, Russo E, Di Bonaventura C. The broad-spectrum activity of perampanel: state of the art and future perspective of AMPA antagonism beyond epilepsy. Front Neurol 2023; 14:1182304. [PMID: 37483446 PMCID: PMC10359664 DOI: 10.3389/fneur.2023.1182304] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 06/07/2023] [Indexed: 07/25/2023] Open
Abstract
Glutamate is the brain's main excitatory neurotransmitter. Glutamatergic neurons primarily compose basic neuronal networks, especially in the cortex. An imbalance of excitatory and inhibitory activities may result in epilepsy or other neurological and psychiatric conditions. Among glutamate receptors, AMPA receptors are the predominant mediator of glutamate-induced excitatory neurotransmission and dictate synaptic efficiency and plasticity by their numbers and/or properties. Therefore, they appear to be a major drug target for modulating several brain functions. Perampanel (PER) is a highly selective, noncompetitive AMPA antagonist approved in several countries worldwide for treating different types of seizures in various epileptic conditions. However, recent data show that PER can potentially address many other conditions within epilepsy and beyond. From this perspective, this review aims to examine the new preclinical and clinical studies-especially those produced from 2017 onwards-on AMPA antagonism and PER in conditions such as mesial temporal lobe epilepsy, idiopathic and genetic generalized epilepsy, brain tumor-related epilepsy, status epilepticus, rare epileptic syndromes, stroke, sleep, epilepsy-related migraine, cognitive impairment, autism, dementia, and other neurodegenerative diseases, as well as provide suggestions on future research agenda aimed at probing the possibility of treating these conditions with PER and/or other AMPA receptor antagonists.
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Affiliation(s)
| | - Cinzia Costa
- Section of Neurology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
- Neurological Clinic, S. Maria Della Misericordia Hospital, Perugia, Italy
| | - Angelo Labate
- Neurophysiopatology and Movement Disorders Clinic, University of Messina, Messina, Italy
| | - Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Claudio Liguori
- Department of Systems Medicine, University of Rome ‘Tor Vergata”, Rome, Italy
- Epilepsy Center, Neurology Unit, University Hospital “Tor Vergata”, Rome, Italy
| | - Marta Maschio
- Center for Tumor-Related Epilepsy, UOSD Neuro-Oncology, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Stefano Meletti
- Neurology Department, University Hospital of Modena, Modena, Italy
- Department of Biomedical, Metabolic, and Neural Sciences, University of Modena and Reggio-Emilia, Modena, Italy
| | - Lino Nobili
- Child Neuropsychiatry Unit, IRCCS Istituto G. Gaslini, Genova, Italy
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Child and Maternal Health (DINOGMI), University of Genova, Genova, Italy
| | - Francesca Felicia Operto
- Child and Adolescent Neuropsychiatry Unit, Department of Medicine, Surgery and Dentistry, University of Salerno, Salerno, Italy
- Department of Science of Health, School of Medicine, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Andrea Romigi
- Sleep Medicine Center, Neurological Mediterranean Institute IRCCS Neuromed, Pozzilli, Italy
- Psychology Faculty, International Telematic University Uninettuno, Rome, Italy
| | - Emilio Russo
- Department of Science of Health, School of Medicine, University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Carlo Di Bonaventura
- Epilepsy Unit, Department of Human Neurosciences, Sapienza University of Rome, Rome, Italy
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Diagnosis and Treatment of Poststroke Epilepsy: Where Do We Stand? Curr Treat Options Neurol 2022. [DOI: 10.1007/s11940-022-00744-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Abstract
Purpose of Review
Stroke is the most common cause of seizures and epilepsy in older adults. This educational paper aims to give an update on current clinical aspects of diagnosis and treatment of poststroke epilepsy.
Recent Findings
Regarding epileptic seizures related to stroke, it is important to distinguish between acute symptomatic seizures and unprovoked seizures as they differ in their risk for seizure recurrence. In fact, after a single unprovoked poststroke seizure, a diagnosis of epilepsy can be made because there is a greater than 60% risk for further seizures. Clinical models that can predict the development of epilepsy after a stroke have been successfully established. However, treatment with anti-seizure medications is advised only after a first unprovoked poststroke seizure, as current treatments are not known to be effective for primary prevention. The management of poststroke epilepsy requires consideration of aspects such as age, drug-drug interactions and secondary vascular prophylaxis, yet evidence for the use of anti-seizure medications specifically in poststroke epilepsy is limited.
Summary
This text reviews the epidemiology and risk factors for poststroke epilepsy, explains the role of EEG and neuroimaging in patients with stroke and seizures and provides an overview on the clinical management of stroke-related acute symptomatic seizures and poststroke epilepsy.
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Neuroelectric Mechanisms of Delayed Cerebral Ischemia after Aneurysmal Subarachnoid Hemorrhage. Int J Mol Sci 2022; 23:ijms23063102. [PMID: 35328523 PMCID: PMC8951073 DOI: 10.3390/ijms23063102] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/11/2022] [Accepted: 03/11/2022] [Indexed: 12/16/2022] Open
Abstract
Delayed cerebral ischemia (DCI) remains a challenging but very important condition, because DCI is preventable and treatable for improving functional outcomes after aneurysmal subarachnoid hemorrhage (SAH). The pathologies underlying DCI are multifactorial. Classical approaches to DCI focus exclusively on preventing and treating the reduction of blood flow supply. However, recently, glutamate-mediated neuroelectric disruptions, such as excitotoxicity, cortical spreading depolarization and seizures, and epileptiform discharges, have been reported to occur in high frequencies in association with DCI development after SAH. Each of the neuroelectric disruptions can trigger the other, which augments metabolic demand. If increased metabolic demand exceeds the impaired blood supply, the mismatch leads to relative ischemia, resulting in DCI. The neuroelectric disruption also induces inverted vasoconstrictive neurovascular coupling in compromised brain tissues after SAH, causing DCI. Although glutamates and the receptors may play central roles in the development of excitotoxicity, cortical spreading ischemia and epileptic activity-related events, more studies are needed to clarify the pathophysiology and to develop novel therapeutic strategies for preventing or treating neuroelectric disruption-related DCI after SAH. This article reviews the recent advancement in research on neuroelectric disruption after SAH.
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Mishra NK, Engel J, Liebeskind DS, Sharma VK, Hirsch LJ, Kasner SE, French JA, Devinsky O, Friedman A, Dawson J, Quinn TJ, Selim M, de Havenon A, Yasuda CL, Cendes F, Benninger F, Zaveri HP, Burneo JG, Srivastava P, Bhushan Singh M, Bhatia R, Vishnu VY, Bentes C, Ferro J, Weiss S, Sivaraju A, Kim JA, Galovic M, Gilmore EJ, Pitkänen A, Davis K, Sansing LH, Sheth KN, Paz JT, Singh A, Sheth S, Worrall BB, Grotta JC, Casillas-Espinos PM, Chen Z, Nicolo JP, Yan B, Kwan P. International Post Stroke Epilepsy Research Consortium (IPSERC): A consortium to accelerate discoveries in preventing epileptogenesis after stroke. Epilepsy Behav 2022; 127:108502. [PMID: 34968775 DOI: 10.1016/j.yebeh.2021.108502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 12/18/2022]
Affiliation(s)
| | - Jerome Engel
- Department of Neurology, University of California Los Angeles, Los Angeles, USA
| | - David S Liebeskind
- Department of Neurology, University of California Los Angeles, Los Angeles, USA
| | - Vijay K Sharma
- YLL School of Medicine, National University of Singapore and Division of Neurology, National University Health System, Singapore
| | | | - Scott E Kasner
- Department of Neurology, University of Pennsylvania, Philadelphia, USA
| | - Jacqueline A French
- Department of Neurology, NYU Grossman School of Medicine, New York City, USA
| | - Orrin Devinsky
- Department of Neurology, NYU Grossman School of Medicine, New York City, USA
| | - Alon Friedman
- Department of Brain and Cognitive Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Department of Medical Neuroscience, Dalhousie University, Halifax, Canada
| | - Jesse Dawson
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Scotland, UK
| | - Terence J Quinn
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Scotland, UK
| | - Magdy Selim
- Department of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
| | | | - Clarissa L Yasuda
- Department of Neurology, School of Medical Sciences, University of Campinas - UNICAMP, Sao Paulo, Brazil
| | - Fernando Cendes
- Department of Neurology, School of Medical Sciences, University of Campinas - UNICAMP, Sao Paulo, Brazil
| | - Felix Benninger
- Department of Neurology, Rabin Medical Center, Tel Aviv, Israel
| | | | - Jorge G Burneo
- Epilepsy Program, Department of Clinical Neurological Sciences, and Neuroepidemiology Unit, Western University, London, Ontario, Canada
| | - Padma Srivastava
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Mamta Bhushan Singh
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Rohit Bhatia
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - V Y Vishnu
- Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
| | - Carla Bentes
- Department of Neurology, University of Lisboa, Lisbon, Portugal
| | - Jose Ferro
- Department of Neurology, University of Lisboa, Lisbon, Portugal
| | - Shennan Weiss
- Department of Neurology, State University of New York (SUNY) Downstate, NY, USA
| | | | - Jennifer A Kim
- Department of Neurology, Yale University, New Haven, USA
| | - Marian Galovic
- Department of Neurology, University of Zurich, Zurich, Switzerland
| | | | - Asla Pitkänen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Kathryn Davis
- Department of Neurology, University of Pennsylvania, Philadelphia, USA
| | | | - Kevin N Sheth
- Department of Neurology, Yale University, New Haven, USA
| | - Jeanne T Paz
- Gladstone Institute of Neurological Disease, Gladstone Institutes, San Francisco, USA; Department of Neurology, University of California San Francisco, San Francisco, USA
| | - Anuradha Singh
- Department of Neurology, Icahn School of Medicine at Mt. Sinai, NY, USA
| | - Sunil Sheth
- Department of Neurology, University of Texas Health Sciences Center, Houston, USA
| | - Bradford B Worrall
- Departments of Neurology and Public Health Sciences, University of Virginia, Charlottesville, USA
| | - James C Grotta
- Department of Neurology, Memorial-Hermann Texas Medical Center, Houston, USA
| | - Pablo M Casillas-Espinos
- Department of Neuroscience, Monash University, Alfred Hospital, Melbourne, Australia; Departments of Neurology and Medicine, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia
| | - Zhibin Chen
- Department of Neuroscience, Monash University, Alfred Hospital, Melbourne, Australia; Departments of Neurology and Medicine, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia
| | - John-Paul Nicolo
- Department of Neuroscience, Monash University, Alfred Hospital, Melbourne, Australia; Departments of Neurology and Medicine, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia
| | - Bernard Yan
- Departments of Neurology and Medicine, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia
| | - Patrick Kwan
- Department of Neuroscience, Monash University, Alfred Hospital, Melbourne, Australia; Departments of Neurology and Medicine, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia.
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