STXBP1 1st European Summit & Research Roundtable 2023 Session Recordings


Research Roundtable Day 1: STXBP1 in the Lab

May 16, 2023

Opening & Session I: Mechanisms and models of disease in STXBP1-related disorders

Session I: Part 1
Opening and Introduction: G. Balagura - University of Genoa

A history of STXBP1 research: where are we now: M. Verhage - Vrije Universiteit Amsterdam

Single cell transcriptional changes in an STXBP1 mouse model: A. Roig Adam - Vrije Universiteit Amsterdam

Microcircuit failure in STXBP1 encephalopathy leads to hyperexcitability, rescue with AMPAkines: A. Britos dos Santos, J. F. Perrier - University of Copenhagen

Disease-linked mutations in Munc18-1 deplete synaptic proteins: N. Guiberson - Weill-Cornell Medicine


Session I: Part 2

Synaptic phenotypes in patient-derived neurons: J. Sørensen - University of Copenhagen

Network defects and proteome changes in patient-derived neurons: M. Öttl - Vrije Universiteit Amsterdam

Modelling STXBP1 encephalopathy in human brain slice cultures: F. McLeod - Newcastle University

Early Network Activity in a mouse model of STXBP1 disorder: P. P. Lenck-Santini - INSERM

qEEG analysis in STXBP1-disorders: K. Linkenkaer-Hansen - Vrije Universiteit Amsterdam

Session II: Pipeline towards therapies for STXBP1-related disorders

Session II: Part 1
Fly screen with small molecules: L. Neukomm, C. Schäfer - University of Lausanne

ASOs and miRNA modulation for STXBP1-RD: B. Prosser - University of Pennsylvania

Uncovering the biology of STXBP1 poison exons: L. Janssen - Vrije Universiteit Amsterdam

Session II: Part 2

Gene replacement therapy design: R. Toonen - Vrije Universiteit Amsterdam

A preclinical pharmacology study of AAV gene therapy in a mouse model of STXBP1 encephalopathy: M. Xue - Baylor University

Roundtable of pre-clinical researchers: Chair M. Verhage - Vrije Universiteit Amsterdam. Panelists: A. Dolado, N. Guiberson, F. McLeod, B. Prosser, J. Sørensen, M. Xue



Research Roundtable Day 2: STXBP1 in the Clinic

May 17, 2023

Session III: The clinical spectrum and standard of care in STXBP1-related disorders

Session III: Part 1

Multilevel phenotyping of STXBP1 patients: the N=You approach: H. Bruining - Vrije Universiteit Amsterdam

Sensory and behavioral profiles in people with STXBP1-RD: A. Fetta - University of Bologna

STXBP1 ENGAGE Study: Capturing Patient and Family Lived Experiences: J. Gofshteyn - Encoded

Childrens’ Colorado model of a Neurogenetic Multidisciplinary Clinic: S. Demarest - Children’s Hospital Colorado

Launch of the European STXBP1 registry: F. Furia, G. Balagura, H. Stamberger, E. Gardella - Danish Epilepsy Centre, University of Genoa, University of Antwerp - VIB



Session III: Part 2

The role of 4-Phenyl-Butyrate in STXBP1-RD: clinical trial updates: Z. Grinspan - Weill-Cornell Medicine

Standardized assessments in physical and occupational therapy in STXBP1-related disorders: S. Pierce, K Cunningham - Children's Hospital of Philadelphia

Cortical Visual Impairment in STXBP1-RD: M. Abbott - Children’s Hospital Colorado

The emerging scope of neuropsychological abilities in STXBP1: A. Miele - Children’s Hospital Colorado



Session IV: The future therapeutic landscape in STXBP1-related disorders: what to treat, how to measure?

Session IV: Part 1
Introduction to the session: Targeted therapies for STXBP1-RD: J. Goss - STXBP1 Foundation

EEG in STXBP1-RD: not only epilepsy: E. Gardella - Danish Epilepsy Centre

Characterizing gait deviations in DEE and potential impact for rehabilitation: A. Hallemans - University of Antwerp - VIB

Gut-brain axis in epilepsy and autism: E. Russo - University Magna Graecia of Catanzaro

Session IV: Part 2
Prospective, Multi-Site Natural History Study of STXBP1-related Disorder: S. Ruggiero - Children's Hospital of Philadelphia

ESCO natural history study: G. Balagura, M. Verhage - University of Genoa, Vrije Universiteit Amsterdam

The Loulou Foundation CDKL5 pre-competitive consortium: X. Liogier - loulou Foundation

Virtual clinical trials and seizure prediction in STXBP1-related disorders: J. Xian - Children's Hospital of Philadelphia

Roundtable of clinical researchers and industry: Chair A. Soto Padilla - Vrije Universiteit Amsterdam. Panelists: H. Bruining, H. Cahan, S. Demarest, J. Gofshteyn, C. Son Rigby


Session IV: Part 3

Approaching Regulatory Frameworks for Clinical Outcome Measures & Biomarkers: J. Panagoulias - Angelman Syndrome Biomarker and Outcome Measure Consortium, Mahzi Therapeutics


Families & Researcher Day 3: STXBP1 in the Home

May 18, 2023

Session V: STXBP1 in the Home

Session V: Part 1

Family community development and integration: C. Son Rigby - STXBP1 Foundation

Overview of progress and state of the art (day 1+2): G. Balagura & H. Stamberger

Regional STXBP1 associations: introductions & goals: Chair C. Son Rigby
Italy: L. Frassine, Spain: A. Regatero, Israel: L. Dor, France: C. Legré, Germany: G. Schnur, Poland: J. Marut, Brasil: T. Rovaris, USA: C. Son Rigby, Netherlands: R. Martina, Belgium: G. Van Looveren, Sweden: H. Henningsson, Slovakia & Hungary: L. Zuzkovicova, Canada: I. Oldenhof

Roundtable of PAOs, health care professionals and researchers: Chair C. Son Rigby - STXBP1 Foundation. Panelists: A. Azzola, L. Frassine, F. Furia, C. Legré, J. Oldenhof, H. Stamberger, S. Syrbe, M. Verhage

Session V: Part 2

Roundtable of STXBP1 families: Chair C. Son Rigby - STXBP1 Foundation. Panelists: A. Azzola, L. Dior, L. Frassine, R. Martina, J. Marut, A. Regatero, G. Van Looveren, L. Zuzkovicova