小核酸赛道，挤满了下一代大药

Core Insights - The small nucleic acid drug sector is experiencing a significant surge, marking the beginning of a golden era driven by technological breakthroughs and capital enthusiasm [2][11][22] Industry Developments - On January 5, 2026, Sanofi's APOC3 siRNA drug Plozasiran was approved for domestic market use to treat hyperlipidemia [1] - On January 9, 2026, Rebio Biotech, known as "China's first small nucleic acid stock," successfully listed on the Hong Kong Stock Exchange, with its stock price soaring by 40% on the first day, leading to a market capitalization exceeding 13 billion HKD [1] - China National Pharmaceutical Group announced a 1.2 billion CNY acquisition of Hegia Biotech, securing the world's first clinically validated liver-targeted delivery platform capable of annual dosing [1] Market Trends - The global small nucleic acid drug market has seen nearly 100 business development (BD) collaborations in the past three years, with transaction numbers and amounts increasing annually, reaching over 30 BD deals in 2025 totaling nearly 30 billion USD [4][9] - Notable transactions in 2025 included Novartis acquiring Avidity Biosciences for 12 billion USD and multiple other significant deals involving RNA therapies [7][9] Clinical Advancements - Ionis's APOC3 ASO drug Olezarsen showed promising results in reducing triglyceride levels by up to 72% in patients with severe hypertriglyceridemia, leading to an increase in peak annual sales forecast from 1.5 billion USD to 2.5 billion USD [12] - GSK's ASO therapy Bepirovirsen is expected to be the first drug to achieve functional cure for chronic hepatitis B, with a peak annual sales potential of 2 billion USD [12] Emerging Opportunities - The small nucleic acid drugs are expanding into various therapeutic areas, including obesity and kidney diseases, with promising results from clinical trials demonstrating significant weight loss and metabolic health improvements [13][15] - The number of small nucleic acid drugs in development globally has surpassed 1,200, with siRNA and ASO therapies being the most prominent [17] Strategic Collaborations - Domestic companies are increasingly recognized for their innovative value in small nucleic acid drugs, with active BD transactions, including significant collaborations by Rebio Biotech and other firms [18][21] - Companies like Saintin Biotech are forming strategic partnerships with major pharmaceutical firms to advance their small nucleic acid drug pipelines [19] Conclusion - The convergence of technological advancements, capital influx, and successful clinical outcomes is propelling small nucleic acid drugs into a pivotal position within the pharmaceutical industry, with China poised to become a global innovation hub [22]