开源证券：siRNA药物快速发展 国内药企出海潜力大

Group 1 - The core viewpoint is that starting from 2024, Chinese companies are accelerating the overseas expansion of their siRNA pipelines, while also proactively laying out the siRNA sector domestically, leading to increased transactions [1][4] - Novartis reported a significant increase in sales for its long-acting siRNA drug Leqvio, with sales rising from $0.12 million in 2021 to $7.54 million in 2024, and achieving $5.55 million in H1 2025, representing a 66% increase [2] - The development of siRNA drugs is complex and involves multiple dimensions such as nucleotide modification, sequence screening, target gene selection, delivery vector optimization, and breakthroughs in non-liver targeting, indicating substantial room for improvement [1][4] Group 2 - The siRNA drug development landscape is expanding, with a shift from rare diseases to chronic disease indications like hyperlipidemia, hepatitis B, and obesity, suggesting a rapidly opening market space [3][4] - In 2023, there were 13 global siRNA drug transactions, with Chinese companies leading in transaction numbers, indicating a strong presence in the siRNA market [4] - Recommended stocks benefiting from the siRNA sector include Yuyuan Pharmaceutical, Innovent Biologics, East China Pharmaceutical, and others, highlighting potential investment opportunities [5]