Novel outcome measures for Charcot-Marie-Tooth disease: Validation and reliability of the 6-min walk test and StepWatch Activity Monitor and identification of the walking features related to higher quality of life

Luca Padua, Costanza Pazzaglia, Davide Pareyson, Angelo Schenone, A. Aiello, G. M. Fabrizi, Tiziana Cavallaro, Lucio Santoro, Fiore Manganelli, F. Gemignani, F. Vitetta, A. Quattrone, A. Mazzeo, M. Russo, G. Vita

Research output: Contribution to journalArticle

Abstract

Background and purpose: Charcot-Marie-Tooth (CMT) disease is the most common inherited neuropathy, but therapeutic options have been limited to symptom management. Past pharmacological trials have failed, possibly due to insensitive outcome measures (OMs). The aim of the current study was to evaluate the validity and reliability of the 6-min walk test (6MWT) and StepWatch Activity Monitoring (SAM) with other previously validated OMs in CMT disease. Methods: A prospective multicenter study was performed, consecutively enrolling 168 CMT patients (104 with CMT1A, 27 with CMT1B, 37 with X-linked CMT) from Italian centers specializing in CMT care. Results: Statistical analysis showed that the 6MWT was highly related with all previously used OMs. Some, but not all, SAM parameters were related to commonly used OMs but may provide more information about quality of life. Conclusions: The current study demonstrated the validity and reliability of the 6MWT and SAM as OMs for CMT. Moreover, SAM provides data that correlate better with quality of life measures, making it useful in future rehabilitation trials.

Original languageEnglish
JournalEuropean Journal of Neurology
DOIs
Publication statusAccepted/In press - 2016

Keywords

  • Charcot-Marie-Tooth
  • Outcome measures
  • Quality of life
  • Rehabilitation

ASJC Scopus subject areas

  • Clinical Neurology
  • Neurology

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