证券研究报告 ➢ siRNA药物机制优势突出，递送为核心技术 相较于传统小分子和生物药，siRNA药物为代表的核酸疗法可精准沉默致病蛋白，高效降解且作用时间长，目前已成为新药开发热门方向。 技术层面主要包括修饰和递送，其中递送为核心技术，肝外递送是目前的突破重心，技术路径包括LNP、抗体、肽类以及VLP递送，各有优劣， 其中AOC发展稍快。 ➢ 海外巨头渐入收获期，静待肝外递送POC 黎明已至，国产争先 ——siRNA药物行业深度报告 行业投资评级：强大于市|维持 盛丽华/陈灿 中邮证券研究所 医药生物团队 中邮证券 1 1 发布时间：2026-02-27 投资要点 siRNA行业先驱Alnylam开发的GalNAc肝内递送凭借递送效率极高、特异性强以及作用持久等优势，已成为肝递送的"标准答案"，其他海 外巨头如Arrowhead和Dicerna等针对PCSK9、AGT、Lp(a)以及ApoC3等心血管常见靶点的siRNA药物已进入临床后期或商业化的收获期，而 针对肌肉、神经系统以及眼部等肝外器官目前仍处于研发早期阶段，目前Alnylam的C16递送平台已在CNS领域、Arrowhead的TRiM平台在脂 肪 ...

Core Viewpoint - Arrowhead Pharmaceuticals, Inc. (ARWR.US) is projected to be one of the best-performing stocks in the U.S. market by 2025, with a cumulative increase of 253%, significantly outperforming major competitors like NVIDIA (NVDA.US) and Micron (MU.US) [1][2] Group 1: Company Overview - Arrowhead Pharmaceuticals is a biotechnology company based in Pasadena, California, focusing on developing therapies for major diseases using RNA interference (RNAi) technology [3] - The company has transitioned from being a clinical-stage biotech firm to a commercialized entity with the approval of its first drug, Redemplo, marking a significant milestone in its development [5][6] Group 2: Product Details - Redemplo is an innovative RNAi-based drug approved by the FDA for treating familial chylomicronemia syndrome (FCS), representing a first-in-class therapy in its category [4][5] - The drug targets the APOC3 gene to significantly lower triglyceride levels in patients, addressing a rare genetic metabolic disorder [4] Group 3: Market Potential and Financial Projections - Piper Sandler has set a bullish target price of $100 for Arrowhead Pharmaceuticals, indicating a potential short- to mid-term upside of 55% from its current price of $64.56 [1][2] - Sales projections for Redemplo in the U.S. market are expected to reach at least $625,000 by Q4 2025, with significant growth anticipated to approximately $12.3 million by 2026 [6] - Morgan Stanley has also raised its target price for Arrowhead from $48 to $81, highlighting the potential for Redemplo to generate over $2 billion in peak global sales if successfully commercialized in broader lipid disorders [7]

Core Viewpoint - Arrowhead Pharmaceuticals, Inc. has shown a remarkable stock performance with a cumulative increase of 253% in 2025, outperforming major players like Nvidia and Micron Technology, indicating strong market interest and potential growth in the biotech sector [1] Group 1: Company Overview - Arrowhead Pharmaceuticals is a California-based biotech company focused on developing therapies using RNA interference (RNAi) technology to treat various serious diseases, including cardiovascular and metabolic diseases, liver diseases, and viral diseases [2] - The company has transitioned from being primarily a clinical-stage biotech firm to a commercial-stage entity with the approval of its first drug, Redemplo, marking a significant milestone in its development [2][4] Group 2: Product Development - Redemplo is a novel RNAi-based drug that has received FDA approval for treating adult familial chylomicronemia syndrome (FCS), representing a first-in-class therapy in its category [3] - The drug targets the APOC3 gene to significantly lower triglyceride levels in the blood, addressing a rare genetic metabolic disorder [3] Group 3: Market Potential and Financial Projections - Piper Sandler has set a bullish target price of $100 for Arrowhead Pharmaceuticals, reflecting a potential upside of 55% from its current stock price of $64.56, indicating strong investor confidence [1] - The expected sales for Redemplo in the U.S. market are projected to reach at least $625,000 in Q4 2025, with significant growth anticipated to approximately $12.3 million in 2026 [4][5] - If Redemplo successfully commercializes in broader lipid disorders, its global peak sales could exceed $2 billion, showcasing substantial revenue potential beyond just FCS [6]

Core Viewpoint - Arrowhead Pharmaceuticals, Inc. has shown a remarkable stock performance in 2025, with a cumulative increase of 253%, outperforming major players like Nvidia and Micron, leading to a target price increase from $70 to $100 by Piper Sandler, indicating a potential upside of 55% from its current price of $64.56 [1] Company Overview - Arrowhead Pharmaceuticals is a California-based biopharmaceutical company focused on developing therapies using RNA interference (RNAi) technology to treat various significant diseases, including cardiovascular metabolic diseases, liver diseases, and viral diseases [1][2] - The company has transitioned from being a purely clinical-stage biotech firm to a commercialized entity with the approval of its first drug, Redemplo, marking a significant milestone in its development [2][3] Product Development - Redemplo is a novel siRNA drug targeting the APOC3 gene, designed to significantly lower triglyceride levels in patients with familial chylomicronemia syndrome (FCS), and has received FDA approval for this indication [3][4] - The approval of Redemplo signifies Arrowhead's shift towards commercialization, with expectations of steady revenue growth and potential expansion into global markets and broader indications [3][4] Market Expectations - Piper Sandler projects that Redemplo will generate sales of at least $625,000 in the U.S. market by Q4 2025, with significant growth anticipated to approximately $12.3 million by 2026 [4] - Morgan Stanley has also raised its target price for Arrowhead from $48 to $81, highlighting the promising clinical data for other treatments in development, which could further enhance the company's value [5] Future Potential - If Redemplo successfully commercializes in the severe hypertriglyceridemia (sHTG) space, its global peak sales could exceed $2 billion, with projections indicating that sales potential could far surpass that of FCS alone by 2031 or beyond [6]

Core Viewpoint - Arrowhead Pharmaceuticals is targeting the obesity market with two gene-silencing candidates showing potential for fat reduction rather than just weight loss, leading to a significant stock price increase after the announcement [5][8]. Group 1: Clinical Data and Mechanisms - Arrowhead disclosed early clinical data for two assets with different mechanisms: one targeting liver INHBE gene expression and the other targeting ACVR1C gene in adipocytes [5]. - In a small exploratory study, participants with obesity and type 2 diabetes showed an average weight loss of 9.4% after 16 weeks of treatment with ARO-INHBE combined with tirzepatide, compared to 4.8% in the control group using tirzepatide plus placebo [6]. - The combination therapy also resulted in reductions in visceral fat, total fat, and liver fat content, although Arrowhead did not disclose data on ARO-INHBE as a monotherapy [6][8]. Group 2: Industry Insights and Regulatory Changes - The industry consensus suggests that such molecules are more likely to serve as enhancers of GLP-1 drugs rather than standalone weight loss medications [7]. - Regulatory pathways are evolving, with the FDA potentially accepting "additional quantifiable fat reduction effects on top of GLP-1" as a primary endpoint, shifting focus from mere weight loss to fat distribution and muscle preservation [7]. - Arrowhead's ACVR1C-targeting asset, ARO-ALK7, showed an 88% average reduction in ALK7 mRNA in adipose tissue at a 200 mg dose, with a 14.1% average reduction in visceral fat after 8 weeks [7]. Group 3: Market Reaction and Future Outlook - The market reacted positively, with Arrowhead's stock rising approximately 17% to $75, indicating investor confidence in the potential of next-generation obesity treatments that may focus on deeper metabolic regulation rather than solely on incretin-based therapies [8].

Core Insights - Argo Biopharma and Novartis have upgraded their collaboration in cardiovascular treatments, granting Novartis rights to two early-stage molecules outside of China for treating severe hypertriglyceridemia and mixed dyslipidemia, along with priority negotiation rights for BW-00112 (ANGPTL3) [1] - The total potential value of the collaboration between Argo Biopharma and Novartis has exceeded $9.3 billion, reflecting a deepening partnership in the siRNA and cardiovascular treatment fields [3] - The global RNAi (RNA interference) market is rapidly expanding, with a projected market size of $25.195 billion by 2030, driven by the increasing application of siRNA therapies in chronic diseases [7] Company Developments - Argo Biopharma, established in April 2021, focuses on siRNA drug development and has previously signed exclusive licensing agreements with Novartis worth up to $4.165 billion [3] - Novartis has been strategically investing in siRNA therapies, including the acquisition of The Medicines Co. for $9.7 billion, which provided access to Inclisiran, a long-acting lipid-lowering drug [4] - Recent collaborations, such as with Arrowhead Pharmaceuticals, highlight Novartis's commitment to expanding its siRNA portfolio, with potential milestone payments reaching $2 billion [5] Industry Trends - The RNAi therapy market has seen significant growth, with a compound annual growth rate (CAGR) of 449.2% from 2018 to 2020, indicating strong future potential [7] - Chinese companies are increasingly participating in the global siRNA market, with notable collaborations and licensing agreements emerging, reflecting a shift in the landscape [8] - Despite the promising advancements in siRNA technology, challenges remain, including delivery mechanisms and potential side effects, necessitating ongoing research and development [8][11]

Core Insights - Small nucleic acid drugs are emerging as a promising frontier in the pharmaceutical industry, particularly in the treatment of cardiovascular diseases, due to their multiple druggable targets, strong efficacy, good safety profile, and low dosing frequency [3][4][5]. Group 1: Industry Trends - Chinese innovative pharmaceutical companies are increasingly engaging in licensing agreements, with a notable $5.2 billion licensing deal between Novartis and Shanghai Bowang Pharmaceutical for next-generation cardiovascular drugs [1]. - The treatment of cardiovascular diseases is rapidly transitioning towards small nucleic acid drugs, with RNA interference (RNAi) technology showing significant potential in addressing conditions like severe hypertriglyceridemia [1][4]. Group 2: Key Developments - Novartis has already received approval for inclisiran, a long-acting siRNA drug targeting the PCSK9 gene, which requires only biannual injections for lipid control [4]. - Eli Lilly is also heavily investing in the next generation of cardiovascular innovations, having signed a partnership worth over $3 billion with Dicerna to develop RNAi therapies, including the long-acting lipid-lowering drug lepodisiran [4]. - Roche has partnered with Alnylam to develop Zilebesiran, an RNAi-based antihypertensive drug that shows promising results in maintaining blood pressure control with just two injections per year [5]. Group 3: Clinical Insights - Alnylam's pipeline for small nucleic acid drugs has a success rate of approximately 60% from project initiation to Phase III clinical trials, significantly higher than traditional small molecule drugs [6]. - Experts in the cardiovascular field acknowledge the potential of small interfering RNA drugs but emphasize the need for further validation of their long-term clinical benefits [7].