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Alternatives to amyloid for Alzheimer's disease therapies-a symposium report
Jennifer Cable1, David M Holtzman2, Bradley T Hyman3
1PhD Science Writer, New York, New York.
Abstract:
For decades, Alzheimer's disease research has focused on amyloid as the primary pathogenic agent. This focus has driven the development of numerous amyloid-targeting therapies; however, with one possible exception, none of these therapies have been effective in preventing or delaying cognitive decline in patients, and there are no approved disease-modifying agents. It is becoming more apparent that alternative drug targets are needed to address this complex disease. An increased understanding of Alzheimer's disease pathology has highlighted the need to target the appropriate disease pathology at the appropriate time in the disease course. Preclinical and early clinical studies have focused on targets, including inflammation, tau, vascular health, and the microbiome. This report summarizes the presentations from a New York Academy of Sciences' one-day symposium entitled "Alzheimer's Disease Therapeutics: Alternatives to Amyloid," held on November 20, 2019.
Insights
Alzheimer's disease research needs new targets beyond amyloid. Exploring inflammation, tau, and microbiome may offer effective Alzheimer's therapeutics.
Area of Science:
- Neuroscience
- Pharmacology
- Gerontology
Background:
- Decades of Alzheimer's disease (AD) research centered on amyloid pathology.
- Amyloid-targeting therapies have shown limited success in preventing cognitive decline.
- The lack of approved disease-modifying agents necessitates exploring alternative therapeutic strategies for AD.
Framework:
- The symposium highlighted the need for timely intervention targeting specific AD pathologies.
- Focus shifted towards understanding AD as a complex disease with multiple contributing factors.
- Exploration of novel therapeutic targets beyond amyloid is crucial for effective AD treatment.
Implementation:
- Preclinical and early clinical studies are investigating targets such as neuroinflammation, tau protein, vascular health, and the gut microbiome.
- Symposium discussions emphasized the importance of a multi-faceted approach to AD drug development.
- Presentations covered emerging research on non-amyloid targets for Alzheimer's disease therapeutics.
Implications:
- Identifying and validating alternative targets could lead to the first approved disease-modifying therapies for Alzheimer's.
- A paradigm shift in AD research towards diverse pathologies may accelerate therapeutic breakthroughs.
- Future AD treatments may involve combination therapies targeting multiple disease pathways.
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