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一种新药研发失败率达99%的病,“记性差”的人要当心
Huan Qiu Shi Bao· 2025-09-21 07:53
Core Viewpoint - Alzheimer's disease remains a significant global health challenge, with no definitive cure, and the focus is on symptom management and disease progression delay [5][6][10]. Group 1: Disease Overview - Alzheimer's disease is a common form of dementia, accounting for 60% to 70% of cases, with approximately 57 million people affected globally as of 2021 [3][6]. - The disease is the fifth leading cause of death worldwide, with nearly 10 million new cases each year [3][6]. - In China, around 16.99 million elderly individuals are affected, representing about one-quarter of global cases [3]. Group 2: Research and Development Challenges - The exact mechanisms behind Alzheimer's disease remain unclear, leading to a high failure rate in drug development, with a 99% failure rate reported in this field [6][7]. - From 2000 to 2017, over $600 billion was invested in Alzheimer's drug research, but most projects were halted due to ineffective clinical trials or safety concerns [6][7]. - Despite challenges, at least 10 drugs have been approved since 1996, which can delay early disease progression but do not stop neurodegeneration [7]. Group 3: Treatment Approaches - Treatment has evolved from supportive care to symptom improvement and now includes interventions aimed at disease mechanisms [7][10]. - New therapies such as immunotherapy and gene intervention require long-term clinical validation for safety [7][10]. - Current treatment options are limited, with some approved drugs not covered by insurance in China, leading to high out-of-pocket costs for patients [10]. Group 4: Prevention and Early Detection - Experts emphasize the importance of healthy living and early diagnosis as key strategies to reduce risk and delay disease progression [11][12]. - Recognizing early symptoms, such as memory loss and changes in behavior, can significantly improve treatment outcomes [12][15]. - Lifestyle recommendations include a diet rich in fruits, vegetables, whole grains, and omega-3 fatty acids, regular aerobic exercise, and ensuring quality sleep [13][14].