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A feasibility study...
Abstract
Ämnesord
Stäng
- Introduction: We present the rationale and design of a double-blind placebo-controlled feasibility trial combining intranasal insulin (INI) with semaglutide, a GLP-1 receptor agonist, to improve cognition in older adults with metabolic syndrome (MetS) and mild cognitive impairment (MCI). Since both INI and dulaglutide have beneficial effects on the cerebrovascular disease (CVD), we anticipate that improved CVD will underlie the hypothesized cognitive benefits. Methods: This 12-months trial will include 80 older adults aged > 60 with MetS and MCI, randomized to 4 groups: INI/oral semaglutide, intranasal placebo/oral semaglutide, INI/oral placebo, and intranasal placebo/oral placebo. Feasibility of combining INI with semaglutide will be tested by examining the ease of use of INI (20IU, twice/day) with semaglutide (14 once daily), adherence, and safety profile are the efficacy of combination therapy on global cognition and neurobiological markers: cerebral blood flow, cerebral glucose utilization, white matter hyperintensities, Alzheimer's related blood biomarkers and expression of insulin signaling proteins measured in brain-derived exosomes. Efficacy will be assessed for the intent-to-treat sample. Discussion: This feasibility study is anticipated to provide the basis for a multi-center large-scale randomized clinical trial (RCT) of the cognitive benefits of the combination of INI with semaglutide in individuals enriched for CVD and at high dementia risk.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
Nyckelord
- Cerebral blood flow
- Cognition
- Dulaglutide
- Intranasal insulin
- Metabolic syndrome
- Mild cognitive impairment
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Davidy, Tal
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Yore, Iscka
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Cukierman-Yaffe, ...
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Ravona-Springer, ...
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Livny, Abigail
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Lesman-Segev, Or ...
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Azuri, Yossi
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Carmichael, Owen
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Kapogiannis, Dim ...
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Zetterberg, Henr ...
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Lin, Hung Mo
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Sano, Mary
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Beeri, Michal Sc ...
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Göteborgs universitet