MDS Abstracts

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

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  • 2026 International Congress

    Influence of disease stage upon real-world turning performance in people with Parkinson’s

    C. Wilkinson, S. Del Din, C. Schlenstedt, C. Becker, J. Buekers, B. Caulfield, L. Delgado, J. Garcia-Aymerich, H. Gassner, A. Nieuwboer, J. Hausdorff, A. Mirelman, L. Rochester, W. Maetzler, A. Yarnall, L. Alcock (Newcastle-upon-Tyne, United Kingdom)

    Objective: To explore the influence of disease stage on real-world turning in people with Parkinson’s disease (PD). Background: Turning can be challenging in PD due…
  • 2026 International Congress

    Describing Factors Associated with Progression in Parkinson’s Disease: A Retrospective Chart Review

    S. Rodrigo, T. Anderson, C. Goetz (Chicago, USA)

    Objective: To describe differences in sociodemographic and clinical profiles between patients with Parkinson’s disease (PD) who remain at Hoehn and Yahr (HY) stage 1–2 up…
  • 2026 International Congress

    An Elevation in the Serum Biomarker pTau-181 May Identify Progressive Supranuclear Palsy Pathology

    K. Ramirez (Redwood City, USA)

    Objective: To report three cases of progressive supranuclear palsy (PSP) with significantly elevated pTau-181 levels on serum testing. Background: According to the MDS-endorsed PSP Study…
  • 2026 International Congress

    Optimal and invariant hierarchical cognitive indices in the Parkinson’s Progression Markers Initiative

    D. González, W. Kent, G. Springer, A. Karstens (Chicago, USA)

    Objective: To expand cognitive indices derived from PPMI cognitive battery (PPMI-CB) by testing hierarchical models and measurement invariance across pertinent groups. Background: Parkinson’s can cause…
  • 2026 International Congress

    Intersectin-1 (ITSN1) Loss-of-Function Variants in Parkinson’s Disease: Clinical Phenotypes and Neuropathological Insights

    J. Frost, O. Serrano Asensio, J. Ooi, YK. Chia, S. Lim, Y. Tay, C. Lin, A. Robinson, C. Kobylecki, A. Tan, K. Kurian, C. Smith, D. Grosset, L. Parkkinen, Z. Jaunmuktane, T. Warner, C. Blauwendraat, R. Real, H. Morris, GP2. Consortium (London, United Kingdom)

    Objective: To examine the clinical and neuropathological features of carriers of loss-of-function (LoF) variants in ITSN1. Background: Intersectin-1 (ITSN1) is a large multidomain protein involved…
  • 2026 International Congress

    Advancing Mobility-Related Activities of Daily Living Monitoring in Parkinson’s Disease: A Systematic Review of Wearable Sensor Technologies

    S. Yamutai, R. Bhidayasiri, O. Phokeawvarangkul (Bangkok, Thailand)

    Objective: To systematically review current evidence on wearable sensor devices for the objective monitoring of mobility-related ADLs in patients with PD. Background: Detecting Activities of…
  • 2026 International Congress

    Midbrain Hypometabolism in Idiopathic REM Sleep Behavior Disorder Detected by [18F]-FDG PET as a Potential Biomarker of Nigral degeneration

    A. Below, M. Ruppert-Junck, T. van Eimeren, L. Timmermann, A. Drzezga, A. Janzen, W. Oertel, D. Pedrosa (Marburg, Germany)

    Objective: The aim of this study was to investigate whether midbrain hypometabolism can already be detected in iRBD patients using [18F]-FDG PET scans. Background: Parkinson’s…
  • 2026 International Congress

    Levodopa Responsiveness and Motor Complication Trajectories in Parkinson’s Disease by α-Synuclein Seed Amplification Assay Status

    H. Azizi, SM. Fereshtehnejad, R. Moqadam, M. Dadar, A. Siderowf, A. Dagher, Y. Zeighami (Montreal, Canada)

    Objective: To investigate whether longitudinal trajectories of medication responsiveness and motor complications differ based on cerebrospinal fluid α-synuclein seed amplification assay (CSF SAA) status in…
  • 2026 International Congress

    Physical Proximity Influences Mobility in Advanced Parkinson’s Disease Patient–Caregiver Dyads.

    N. Harroum, R. Ruben Jordan, C. Duval (Montréal, Canada)

    Objective: To investigate the relationship between physical proximity within advanced Parkinson’s disease (PD) patient–caregiver dyads and the mobility of each dyad member during daily life.…
  • 2026 International Congress

    Assessing Concordance Between Clinical judgment And 5-2-1 Criteria In Advanced Parkinsons Disease

    A. Subramaniam, M. Mann, B. Mohamed, J. Adenwalla (Cardiff, United Kingdom)

    Objective: 1. Assess how accurately clinicians diagnose Advanced Parkinson’s Disease (APD) in a routine clinical setting2. Evaluate concordance between 5-2-1 criteria and clinician judgement, including…
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The Society that manages the annual International Congress »

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