Current and emerging ALS biomarkers: utility and potential in clinical trials

Research output: Contribution to journalReview article

Abstract

Introduction: Amyotrophic Lateral Sclerosis (ALS) is a neurodegenerative disorder which results in progressive muscle weakness as a prominent feature. However, clinical and pathogenic heterogeneity with regard to anatomical sites of disease onset and progression overtime are important features of the disease which have frustrated attempts to inform patients about their prognosis as well as limited the potential successes of therapeutic studies. Areas covered: This article discusses: clinical biomarkers which can be measured by history, physical examination, and clinical scales of disability; genetic markers of ALS that may help to distinguish various ALS subtypes; fluid-based biomarkers are actively being pursued for their utility in understanding disease progression and prognosis; electrophysiological studies that are now widely used in ALS clinical trials; neuroimaging biomarkers whose development has been accelerated with evolving techniques. Expert commentary: The investigation and development of biomarkers that could aid in diagnosis of ALS at earlier time points, prognostic biomarkers that could inform about the natural history of these heterogeneous presentations, predictive biomarkers aiding in understanding a potential response to therapy, and pharmacodynamic biomarkers to assess target engagement arguably represent the most important goals for improving ALS care and advancing ALS therapeutics.

Original languageEnglish (US)
Pages (from-to)871-886
Number of pages16
JournalExpert Review of Neurotherapeutics
Volume18
Issue number11
DOIs
StatePublished - Nov 2 2018

Keywords

  • Amyotrophic lateral sclerosis
  • diagnosis
  • electrophysiology
  • imaging
  • neurofilament
  • pharmacodynamics
  • prognosis

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology
  • Pharmacology (medical)

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