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Biomarkers of recovery after stroke.

  • Author(s): Milot, Marie-Hélène
  • Cramer, Steven C
  • et al.
Abstract

Purpose of review

A better understanding of the molecular events underlying stroke recovery might be useful to optimize restorative therapies. Measurement of these events, however, is generally inaccessible in humans, at least at the molecular level. Substitute measures, or biomarkers, that are accessible might provide deeper insights into spontaneous recovery in humans. This review considers advances in use of biomarkers to understand recovery from stroke, and to serve as a surrogate measure of stroke recovery, including in a clinical trial context.

Recent findings

Among the key recent findings is that measures of brain function and injury are the strongest predictors of treatment effect, moreso than behavioral measures are, despite the reliance on behavioral measures as study entry criteria. Functional neuroimaging studies have provided insights into therapeutic mechanism of action. In addition, measures of central nervous system function have been used to estimate individual therapy needs, findings that suggest the potential to tailor restorative therapies to the specific needs of individual patients.

Summary

Many therapies are emerging as potentially useful to promote improved recovery after stroke. Continued advances in biomarkers are providing new insights into the neurobiology of both spontaneous and therapy-induced brain repair after stroke.

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