期刊
CONTEMPORARY CLINICAL TRIALS
卷 99, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cct.2020.106190
关键词
Cognitive behavioral therapy for insomnia; CBT-I; Cognitive function; Beta amyloid; Older adults
资金
- National Institutes of Health [R01 AG058530-01A1, P30 AG035982]
Lifestyle interventions to increase exercise and improve diet have been the focus of recent clinical trials to potentially prevent Alzheimer's disease (AD). However, despite the strong links between sleep disruptions, cognitive decline, and AD, sleep enhancement has yet to be targeted as a lifestyle intervention to prevent AD. A recent meta-analysis suggests that approximately 15% of AD may be prevented by an efficacious intervention aimed to reduce sleep disturbances and sleep disorders. Chronic insomnia is the most frequent sleep disorder occurring in at least 40% of older adults. Individuals with insomnia are more likely to be diagnosed with Alzheimer's Disease (AD) and demonstrate decline in cognitive function at long-term follow-up. AD is characterized by the accumulation of amyloid-beta (A beta) plaques and tau tangles in the brain, and growing evidence shows impaired sleep contributes to the accumulation of A beta. An intervention aimed at improving insomnia may be a critical opportunity for primary prevention to slow cognitive decline and potentially delay the onset of AD. Cognitive behavioral therapy for insomnia (CBT-I) is an efficacious treatment for insomnia, but the use of CBT-I to improve cognitive function and potentially reduce the rate of A beta accumulation has never been examined. Therefore, the objective of the proposed study is to examine the efficacy of CBT-I on improving cognitive function in older adults with symptoms of insomnia. An exploratory aim is to assess the effect of CBT-I on rate of A beta accumulation.
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