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Abstracts from the International Congress of Parkinson’s and Movement Disorders.

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Articles tagged "Ataxia: Genetics"

  • 2026 International Congress

    The Non-Motor and Extra-Cerebellar Motor Spectrum of Adult-Onset Genetic and Sporadic Cerebellar Ataxias

    E. Woo, D. Abo Alsamh, V. Bruno, V. Karnik, S. Furtado (Calgary, Canada)

    Objective: To characterize non-motor symptoms (NMS) in patients with Adult-Onset cerebellar ataxia (AOCA) to improve phenotypic characterization and inform targeted therapeutic approaches. Background: AOCA comprises…
  • 2026 International Congress

    Spinocerebellar Ataxia Type 27B: A Single-Center Experience

    S. Hooshmand, L. Jackson (Rochester, USA)

    Objective: To describe the phenotypic spectrum of patients with Spinocerebellar ataxia 27B (SCA27B). Background: SCA27B is a recently recognized cause of adult-onset ataxia caused by…
  • 2026 International Congress

    Late-Onset Ataxia, Tremor and Spastic Paraparesis associated with the a Novel CCDC88C Variant: Expanding the Phenotypic Spectrum of mutation in the CCDC88C gene

    I. Sarac, H. Sarac, F. Borovecki (Zagreb, Croatia)

    Objective: to describe a Croatian family presenting with late-onset spastic paraparesis and cognitive decline associated with a distinct amino acid substitution. Background: Variants in CCDC88C…
  • 2026 International Congress

    Genetic Landscape of Hereditary Ataxia in a Highly Consanguineous Population: A Nationwide Multicenter Study

    F. Alqahtani, H. Alqahtani, A. Binbakheet, Z. Alqahtani, A. Sayed, A. Alsayegh, O. Alghamdi, A. Alqahtani, T. Almejaish, A. Almatrafi, A. Alhashim, A. Alotaibi, A. Kentab, R. Alshawaf, M. Abukhalid, A. Aldokheel, S. Alshimemeri, S. Alqahtani, N. Kaya, M. Rifai (Riyadh, Saudi Arabia)

    Objective: To characterize the genetic spectrum and inheritance patterns of hereditary ataxia in a large cohort from Saudi Arabia, a population with a high rate…
  • 2026 International Congress

    Expanding the phenotypic spectrum of FGF14 GAA repeat expansion to paroxysmal kinesigenic dyskinesia

    C. Desjardins, A. Méneret, C. Delvallée, E. Leitão, M. Anheim, C. Depienne, E. Roze, T. Wirth (Paris, France)

    Objective: To assess the frequency and pathogenic role of FGF14 GAA repeat expansion in paroxysmal kinesigenic dyskinesia (PKD). Background: FGF14 GAA repeat expansion causes spinocerebellar…
  • 2026 International Congress

    Progressive Spastic Ataxia Associated with a GRM1 Variant in a Young Female

    WL. Lin, TY. Lin, TL. Lee (Tainan, Taiwan)

    Objective: To report a young patient with progressive spastic ataxia and optic atrophy harboring a GRM1 variant. Background: Spinocerebellar ataxia type 44 (SCA44) is a…
  • 2026 International Congress

    Genetic spectrum of spinocerebellar ataxia type 27b (atx-fgf14-gaa): a single-center study

    A. Protsenko, N. Abramycheva, E. Nuzhnyi, S. Klyushnikov, S. Illarioshkin (Moscow, Russian Federation)

    Objective: To describe the genetic spectrum of (GAA)n-expansions in the FGF14 gene (size and structural repeats) associated with SCA27B in Slavic patients. Background: The genetic…
  • 2026 International Congress

    Detecting Repeat Expansions: Added Diagnostic Yield in Movement Disorders by Optical Genome Mapping

    M. Pauly, H. Tiefenbach, K. Neveling, M. Thomsen, F. Hinrichs, S. Löns, J. Trinh, A. Dalski, C. Klein, A. Münchau, K. Ullrich, N. Brüggemann, K. Lohmann (Lübeck, Germany)

    Objective: To investigate the genetic cause in patients with rare movement disorders by utilizing optical genome mapping (OGM). Background: OGM is a genetic imaging technique,…
  • 2026 International Congress

    Intravenous AAVrh.10hFXN (LX2006) Gene Therapy in Friedreich Ataxia: Early Neurologic Assessment from Two Phase 1 and 2 Studies

    T. Zesiewicz, T. Vu, J. Weinsalft, S. Kaminsky, A. Patel, R. Gavrilova, S. Perlman, U. Krishnan, M. Galbraith, N. Savage, R. Kaner, M. Vo, H. Sarva, A. Yoo, D. Sondhi, C. Rummey, G. Aubert, A. Khan, S. Ghanekar, R. Crystal (Tampa, USA)

    Objective: To evaluate neurologic measures of efficacy of intravenous AAVrh.10hFXN (LX2006) gene therapy in adults with Friedreich ataxia, based on data from the SUNRISE-FA study…
  • 2026 International Congress

    Clinical and Genetic Characteristics of SACS-Related Ataxia: A Case Series of 13 Patients from a Consanguineous Arab Population

    H. Alqahtani, F. Alqahtani, M. Abukhalid, M. Almuhaizea, S. Bohlega, S. Alshimemeri, A. Aldakheel, S. Alqahtani (Riyhadh, Saudi Arabia)

    Objective: To describe the clinical and genetic characteristics of patients with SACS-related ataxia in an Arab population. Background: Pathogenic variants in the SACS gene cause…
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