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Drug Development.
Alzheimers Dement
December 2024
University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA.
Background: Pharmacoepidemiologic studies assessing drug effectiveness for Alzheimer's disease and related dementias (ADRD) are increasingly popular given the critical need for effective therapies for ADRD. To meet the urgent need for robust dementia ascertainment from real-world data, we aimed to develop a novel algorithm for identifying incident and prevalent dementia in claims.
Method: We developed algorithm candidates by different timing/frequency of dementia diagnosis/treatment to identify dementia from inpatient/outpatient/prescription claims for 6,515 and 3,997 participants from Visits 5 (2011-2013; mean age 75.
Drug Development.
Alzheimers Dement
December 2024
Indiana University School of Medicine, Department of Psychiatry, Indianapolis, IN, USA.
Background: Major contributors to AD pathogenesis include aggregates of amyloid-β (Aβ) peptides, hyperphosphorylated tau protein, and neuroinflammation. No currently approved treatment stops or significantly slows the progression of AD. Nevertheless, one class of agents that has shown promise is metal chelators.
View Article and Find Full Text PDFBackground: A new era of Alzheimer's disease (AD) research is beginning now that multiple monoclonal antibodies (mABs) are on the market. Their use may not be widespread initially but will be more common in clinical sites likely to participate in clinical trials and will continue to grow. Many AD investigational treatments have been studied as add-on to acetylcholinesterase inhibitors; however, putative disease-modifying therapies (DMTs) like mABs are expected to alter the underlying rate of progression, potentially reducing our ability to detect effects of other DMTs on top of mABs.
View Article and Find Full Text PDFBackground: Lecanemab is an approved anti-amyloid monoclonal antibody that binds with highest affinity to soluble Aβ protofibrils, which are more toxic than monomers or insoluble fibrils/plaque. In clinical studies, biweekly lecanemab treatment demonstrated a slowing of decline in clinical (global, cognitive, functional, and quality of life) outcomes, and reduction in brain amyloid in early Alzheimer's disease (AD). Herein, we describe the impact of lecanemab treatment on tau PET.
View Article and Find Full Text PDFLecanemab is a humanized IgG1 monoclonal antibody binding with high affinity to protofibrils of amyloid-beta (Aβ) protein. In 18-month clinical studies, lecanemab has been shown to reduce a complex group of protein interactions associated with early symptomatic Alzheimer's disease (AD) and slow decline on clinical endpoints of cognition and function for up to 30 months to date. In prior research, results from the phase 2 study gap period (no study drug treatment) between the end of the study core and the beginning of retreatment in the open-label extension (OLE) provides evidence regarding the need for continued maintenance therapy beyond 18 months.
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