《自然》重磅解读“双效减脂法”！全新瘦身利器有望让“爆款减肥药”相形失色

Core Insights - The article discusses the revolutionary impact of GLP-1 receptor agonists, particularly semaglutide, in the treatment of obesity, highlighting its FDA approval and significant weight loss results in clinical trials [6][8] - A new innovative approach combining GLP-1 receptor agonists with NMDA receptor antagonists has shown promising results in animal studies, potentially leading to more effective weight loss treatments [8][11][13] Group 1: GLP-1 Receptor Agonists - In 2021, the FDA approved semaglutide for long-term weight management, demonstrating an average weight reduction of 15% in obese patients with weekly injections [6] - GLP-1 receptor agonists were initially approved for type 2 diabetes treatment, with their weight loss effects discovered during early clinical trials [8] - The combination of GLP-1 receptor agonists with NMDA receptor-targeting drugs is being explored to enhance weight loss efficacy [8][11] Group 2: Innovative Combination Therapy - Researchers from the University of Copenhagen have developed a new compound, GLP-1–MK-801, which combines GLP-1 receptor agonists with NMDA receptor antagonists, showing significant weight loss in mice [11][13] - In experiments, mice treated with GLP-1–MK-801 exhibited a remarkable weight reduction of 23.2%, outperforming traditional calorie restriction methods [13] - The new compound appears to bypass the metabolic compensation mechanism that often hinders weight loss, maintaining metabolic rates similar to obese mice despite reduced food intake [13][14] Group 3: Safety and Future Research - The safety profile of GLP-1–MK-801 was evaluated, showing no severe adverse reactions in mice, supporting further development of this innovative treatment [14] - Future studies are needed to assess the long-term effects and safety of GLP-1–MK-801, with the potential to become a more powerful treatment option compared to existing weight loss medications [14]