GLP1减重宝典·2025-11-22 03:28Core Viewpoint - Novo Nordisk's upcoming research results may provide strong indications on whether GLP-1 drugs can slow the progression of Alzheimer's disease, with a focus on their diabetes drug Rybelsus, which contains the same active ingredient as Ozempic and Wegovy, semaglutide [5][7]. Group 1: Research and Development - The trials aim to reduce cognitive decline in mild Alzheimer's patients by at least 20% [5]. - Approximately 50 million people globally are affected by Alzheimer's disease, highlighting the potential impact of successful trials [7]. - Previous studies indicated that GLP-1 drugs may lower the risk of dementia in diabetes patients, with earlier research showing that liraglutide could slow brain volume loss in mild Alzheimer's patients [9][10]. Group 2: Mechanism of Action - The exact mechanism by which GLP-1 drugs affect the brain remains unclear, with possibilities including direct brain action or improvements in weight and inflammation reduction [10]. - Not all GLP-1 drugs are the same; studies suggest that liraglutide may penetrate the brain more easily than semaglutide [10]. Group 3: Current Treatments and Future Implications - Currently, two drugs are approved to slow Alzheimer's progression by removing amyloid plaques, showing about 30% effectiveness but with serious side effects [11]. - If Rybelsus can slow cognitive decline by nearly 30%, it would be considered a success, and the results may guide future trial designs, including potential combinations with existing Alzheimer's drugs [11][12]. - Novo Nordisk's research results are expected to be announced at the Alzheimer's Clinical Trials Conference on December 3, with preliminary data possibly released beforehand [12].