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Stroke is the leading cause of adult disability and the third leading cause of death in Canada. Most stroke survivors live with residual impairments that diminish independence and quality of life. This may include vascular cognitive impairment (loss of ability to plan, think and reason) which can lead to dementia and loss of mental and functional independence.
The current treatment to reduce stroke induced brain tissue injury is limited to thrombolytics (clot busters), a therapy useful only if given in the first hours following stroke. One major new approach aims to reduce cell death after stroke by targeting the ongoing tissue loss initiated by the stroke. The tissue can be maintained by interfering with later neurochemical processes that are activated by stroke, potentially through activating natural substances in the brain that help survival and growth of nerve cells ("neurotrophic" factors).
The recent recognition of lithium as a neurotrophic agent has generated the first studies of lithium treatment for managing brain diseases. Clinically, lithium has now been shown to increase brain gray matter volume in bipolar patients. This effect is potentially important in stroke because gray matter loss has been implicated in the development of cognitive impairment after stroke, a result of the series of brain processes that are activated by lack of oxygen due to stroke. Our primary objective is to examine the effects of lithium on total brain gray matter volume in the post-stroke population, as measured by volumetric magnetic resonance imaging (MRI) with the hope that lithium may increase gray matter volume in post-stroke patients and lead to greater cognitive and functional rehabilitation. This study will provide valuable information on the tolerability of lithium, and its effects on clinical outcomes relevant to stroke, providing the information needed for designing a large-scale clinical trial.
Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Sunnybrook Health Sciences Centre
Sunnybrook Health Sciences Centre
Published on BioPortfolio: 2014-08-27T03:14:06-0400
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A salt of lithium that has been used experimentally as an immunomodulator.
Inorganic compounds that contain lithium as an integral part of the molecule.
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