Core Insights - Pfizer won a dramatic bidding war against Novo Nordisk for the weight loss drug manufacturer Metsera, acquiring it for $10 billion, which includes a competitive amylin drug pipeline [3][4] - Amylin drugs mimic the action of the pancreatic hormone amylin, differing from currently marketed GLP-1 drugs, but both types suppress appetite and reduce food intake [3][4] - Analysts believe that the future combination of GLP-1 and amylin therapies could enhance weight loss efficiency and quality [4][5] Industry Developments - Major pharmaceutical companies, including Novo Nordisk, Eli Lilly, AbbVie, and Roche, are developing amylin-targeting weight loss drugs [4][6] - Eli Lilly's amylin therapy, eloralintide, showed positive results in a mid-stage study, indicating potential for further development [4][5] - Novo Nordisk presented data at the 2025 EASD annual meeting showing that its amylin drug cagrilintide led to an average weight loss of approximately 12.5 kg in obese or overweight patients [5][6] Competitive Landscape - Roche has partnered with Zealand Pharma to develop long-acting amylin drugs, indicating a collaborative approach in the industry [6] - Experts suggest that while direct comparisons between GLP-1 and amylin therapies are not yet possible, they may offer different benefits for various patient populations [6] - In China, several biopharmaceutical companies are also developing next-generation amylin-targeting weight loss therapies, with notable advancements from companies like Genscript and Xianju Pharmaceutical [6]