Guolian Minsheng Securities·2026-02-12 00:25Investment Rating - The report maintains a "Recommended" rating for companies involved in the small nucleic acid drug sector targeting obesity [4]. Core Insights - The obesity treatment market is gaining significant attention, with GLP-1 drugs demonstrating efficacy in weight loss, but they also have high rebound rates post-treatment and associated muscle loss. Small nucleic acid drugs offer a different approach by targeting fat metabolism at the genetic level [12][21]. - Arrowhead and Wave Life have shown promising initial results for their small nucleic acid drugs ARO-INHBE and WVE-007, respectively, indicating effective fat reduction without muscle loss [22][38]. - The collaboration between major pharmaceutical companies and small nucleic acid drug developers is intensifying, with significant investments aimed at advancing RNAi therapies for metabolic diseases [49]. Summary by Sections 1. Unmet Needs in Obesity Treatment - The report highlights the unmet demand in obesity treatment, emphasizing that small nucleic acid drugs could provide solutions by directly intervening in fat metabolism [12][16]. 2. Initial Efficacy of Small Nucleic Acid Drugs - Arrowhead's ARO-INHBE demonstrated an average fat reduction of 9.9% and a liver fat reduction of 38.6%, while also increasing lean tissue by 3.6% [22][27]. - Wave Life's WVE-007 showed a 9.4% reduction in visceral fat and a 4.5% reduction in total fat after three months, with a 3.2% increase in lean body mass [38][49]. 3. Investment Recommendations - The report suggests focusing on companies developing small nucleic acid drugs for obesity, including HengRui Medicine, Chengdu XianDao, China Biopharmaceutical, and others [50].