9月25日，据美国临床试验登记库显示，礼来撤回了ActRIIA/B单抗bimagrumab与司美格鲁肽核心成分tirzepatide联用治疗2型糖尿病患者的IIb期 临床试验，理由是"战略业务原因"。 这项试验原计划为180名既往超重或肥胖并伴有糖尿病的受试者随机给予bimagrumab、tirzepatide或二者联用，监测70周的体重下降及脂肪/肌肉分 布，试验时间自2024年10月21日起、预计2027年1月结束。礼来强调，对所有项目进行例行评估以优化资源，并未透露试验终止的具体原因，外界 普遍解读为公司需要集中资源推进更具前景的肥胖适应症研究。 这一决定并不意味着礼来放弃bimagrumab赛道。公司仍在开展一项针对非糖尿病肥胖成人的II期试验，该试验同样评估bimagrumab与tirzepatide的 联合效果，公司发言人称结果将于2026年读出。 从时间上看，与原计划2027年结束的糖尿病试验相比，肥胖适应症读数提前一年，礼来把精力投向更有望率先获批的肥胖领域。 "高质量减重"依旧重要 bimagrumab由VersanisBio开发，可阻断ActivinⅡ型受体（ActRII），从而抑制肌肉降 ...

Core Insights - The market is anticipating significant business development (BD) transactions at the upcoming ADA (American Diabetes Association) conference in late June 2025, particularly in the obesity treatment sector [9][11] - Regeneron and Hansoh Pharmaceutical have announced a major licensing deal for Hansoh's GLP-1/GIP dual receptor agonist HS-20094, indicating a strategic shift towards high-quality weight loss solutions [1][2] Group 1: Company Developments - Regeneron has committed to enhancing obesity treatment quality, focusing on sustainable weight loss and muscle preservation, as highlighted by their management during the Q1 2025 earnings call [2][3] - The licensing agreement for HS-20094 includes an upfront payment of $80 million and potential milestone payments totaling up to $1.93 billion, emphasizing the financial stakes involved in this partnership [1] - HS-20094 has shown promising results in Phase II trials, demonstrating significant weight loss comparable to existing treatments while currently undergoing Phase III and Phase IIb trials in China [1][3] Group 2: Industry Trends - The obesity treatment industry is transitioning from a focus on mere weight loss to a more nuanced approach that emphasizes fat loss without muscle loss, termed "weight loss 2.0" [4][5] - There is a growing emphasis on developing "muscle-friendly" weight loss drugs that not only reduce fat but also preserve or enhance muscle mass, addressing a significant unmet need in the market [4][6] - Multiple pharmaceutical companies are exploring various pathways to achieve muscle preservation during weight loss, with several candidates currently in development [5][7] Group 3: Future Outlook - The ADA 2025 conference is expected to showcase important research findings in weight management, potentially catalyzing further collaborations and transactions in the industry [9][10] - The trend of "conference-driven transactions" is anticipated to continue, with the ADA conference serving as a pivotal moment for innovation in obesity treatments [10][11] - The expansion of high-quality weight loss medications could broaden the market's reach, appealing to diverse patient populations, including the elderly and those with sarcopenic obesity [8][7]