• Aleksandra Yakhkind, Naomi Niznick, Yelena G Bodien, Flora M Hammond, Douglas Katz, Jacques Luaute, Molly McNett, Lionel Naccache, Katherine O'Brien, Caroline Schnakers, Tarek Sharshar, Beth S Slomine, Joseph T Giacino, and Curing Coma Campaign and its Contributing Members.
• Department of Neurology, Tufts University School of Medicine, Boston, MA, USA.
• Neurocrit Care. 2024 Jun 1; 40 (3): 909917909-917.

BackgroundThe recent publication of practice guidelines for management of patients with disorders of consciousness (DoC) in the United States and Europe was a major step forward in improving the accuracy and consistency of terminology, diagnostic criteria, and prognostication in this population. There remains a pressing need for a more precise brain injury classification system that combines clinical semiology with neuroimaging, electrophysiologic, and other biomarker data. To address this need, the National Institute of Neurological Disorders and Stroke launched the Common Data Elements (CDEs) initiative to facilitate systematic collection of high-quality research data in studies involving patients with neurological disease. The Neurocritical Care Society's Curing Coma Campaign expanded this effort in 2018 to develop CDEs for DoC. Herein, we present CDE recommendations for behavioral phenotyping of patients with DoC.MethodsThe Behavioral Phenotyping Workgroup used a preestablished, five-step process to identify and select candidate CDEs that included review of existing National Institute of Neurological Disorders and Stroke CDEs, nomination and systematic vetting of new CDEs, CDE classification, iterative review, and approval of panel recommendations and development of corresponding case review forms.ResultsWe identified a slate of existing and newly proposed basic, supplemental, and exploratory CDEs that can be used for behavioral phenotyping of adult and pediatric patients with DoC.ConclusionsThe proposed behavioral phenotyping CDEs will assist with international harmonization of DoC studies and allow for more precise characterization of study cohorts, favorably impacting observational studies and clinical trials aimed at improving outcome in this population.© 2023. Springer Science+Business Media, LLC, part of Springer Nature and Neurocritical Care Society.

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