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抗癫痫新药临床进展领衔国内,海南海药狙击难治病种赛道助推估值重塑
Quan Jing Wang· 2025-09-15 01:42
Core Viewpoint - Hainan Haiyao's new anti-epileptic drug, Paiengabin, is progressing rapidly in clinical trials, with its development being second only to Xenon's XEN1101 globally, indicating a significant opportunity in the anti-epileptic market due to unmet clinical needs and potential overseas value [1][3]. Group 1: Market Potential - The global epilepsy patient population is approximately 51.7 million, with around 9 million in China, highlighting a substantial market for anti-epileptic treatments [1]. - The Chinese anti-epileptic drug market has seen a compound annual growth rate of 2% over the past five years, with a market size of 5.3 billion RMB in 2023, and is expected to reach a scale in the hundred billion range [2]. Group 2: Drug Development and Advantages - Paiengabin, a new generation KCNQ2 channel agonist, shows significant improvements over the first-generation drug Retigabine, including better chemical stability, activity, and safety profile [3][4]. - Non-clinical and early clinical trials indicate that Paiengabin has superior efficacy, distribution, and safety compared to Retigabine, making it a promising option for patients with epilepsy [4]. Group 3: Clinical Progress and Competitive Landscape - Paiengabin is currently the fastest progressing KCNQ channel agonist in clinical trials in China, having successfully completed Phase IIa studies, while the global landscape shows limited competition with only a few candidates in development [5][6]. - The focus on developing effective and safer KCNQ2-targeted anti-epileptic drugs positions Hainan Haiyao favorably in a market with significant unmet needs [5]. Group 4: Strategic Transformation - Hainan Haiyao has adopted a strategy of combining generics with innovation, enhancing its R&D capabilities, and focusing on high-value innovative drugs to drive growth [7]. - The company's commitment to innovation and its robust pipeline are expected to facilitate its entry into the international pharmaceutical market, benefiting a larger patient population [7].