Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 135, Issue -, Pages 62-74Publisher
ELSEVIER
DOI: 10.1016/j.addr.2018.04.009
Keywords
Aging; Alzheimer's disease; Blood-brain barrier; Neurodegenerative disease; Parkinson's disease; P-glycoprotein
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Older people are at a greater risk of medicine-induced toxicity resulting from either increased drug sensitivity or age-related pharmacokinetic changes. The scenario is further complicated with the two most prevalent age related neurodegenerative diseases, Alzheimer's disease (AD) and Parkinson's disease (PD). With aging, AD and PD, there is growing evidence of altered structure and function of the blood-brain barrier (BBB), including modifications to tight junctions and efflux transporters, such as P-glycoprotein. The subsequent impact on CNS drug exposure and risk of neurotoxicity from systemically acting medicines is less well characterized. The-pur pose of this review, therefore, is to provide an overview of the multiple changes that occur to the BBB as a result of aging, AD and PD, and the impact that such changes have on CNS exposure of drugs, based on studies conducted in aged rodents or rodent models of disease, and in elderly people with and without AD or PD. Crown Copyright (C) 2018 Published by Elsevier By. All rights reserved.
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