Group 1 - The stock of Qianxin Biopharmaceuticals-B (02509) rose over 6%, reaching 29.04 HKD with a trading volume of 15.28 million HKD [1] - Tianfeng Securities forecasts that the market size for autoimmune disease drugs in China will reach 36.3 billion RMB by 2024, with the share of biological agents increasing to 65.6% by 2030 [1] - The market size for psoriasis in China is expected to reach 30.65 billion RMB by 2030, while the market for ankylosing spondylitis is projected to be approximately 46.3 billion RMB by 2030 [1] Group 2 - The company has a rich product pipeline in the autoimmune monoclonal antibody sector, including QX001S (IL-23p40), the first approved biosimilar of ustekinumab in China, which significantly improves the clinical accessibility of psoriasis treatment [2] - QX008N (TSLP) has completed Phase II enrollment for chronic obstructive pulmonary disease, leading among domestic products [2] - QX005N (IL-4Rα) has received breakthrough therapy designation and completed Phase III enrollment for nodular prurigo [2] - QX002N (IL-17A) has completed Phase III trials for ankylosing spondylitis, with a BLA submission expected in the second half of 2025 [2] - QX004N (IL-23p19) has shown significant efficacy and safety in treating psoriasis and has initiated Phase III trials [2] - QX013N is the first c-kit targeted biologic in China, having completed Phase I trials for chronic spontaneous urticaria [2]

Core Viewpoint - The report highlights the growth potential of the autoimmune disease drug market in China, with significant contributions from biopharmaceuticals, particularly in the treatment of psoriasis and ankylosing spondylitis [1][2]. Industry Summary - The Chinese autoimmune disease drug market is projected to reach 36.3 billion yuan by 2024, with biopharmaceuticals' market share expected to increase to 65.6% by 2030 [1]. - The psoriasis market is anticipated to reach 30.65 billion yuan by 2030, while the market for ankylosing spondylitis is expected to grow to approximately 46.3 billion yuan by 2030 [1]. - Current first-line treatments for autoimmune diseases primarily include glucocorticoids, immunosuppressants, and non-steroidal anti-inflammatory drugs, which have limitations such as short treatment duration and systemic side effects [1]. Company Summary - The company has a diverse product pipeline in the autoimmune monoclonal antibody sector, including QX001S (IL-23p40), the first approved biosimilar of ustekinumab in China, which significantly improves the clinical accessibility of psoriasis treatment [2]. - QX008N (TSLP) has completed Phase II enrollment for chronic obstructive pulmonary disease, leading the progress among domestic products [2]. - QX005N (IL-4Rα) has received breakthrough therapy designation and completed Phase III enrollment for nodular prurigo [2]. - QX002N (IL-17A) has completed Phase III trials for ankylosing spondylitis, with a BLA submission expected in the second half of 2025 [2]. - QX004N (IL-23p19) has shown significant efficacy and safety in treating psoriasis and has initiated Phase III trials [2]. - QX013N is the first c-kit targeted biopharmaceutical in China, having completed Phase I trials for chronic spontaneous urticaria [2].

Core Viewpoint - Tianchen Biopharmaceuticals (Suzhou) Co., Ltd. has submitted a listing application to the Hong Kong Stock Exchange, with Guotai Junan Securities (Hong Kong) as the sole sponsor [1] Company Overview - Tianchen Biopharmaceuticals is a clinical-stage biopharmaceutical company focused on the development of innovative drugs targeting allergic and autoimmune diseases, with a comprehensive pipeline of biological products across various medical fields [3] - The company has established two proprietary research and development platforms: a high-affinity antibody discovery platform and a bifunctional antibody development platform [3] Market Potential - The global autoimmune disease drug market is projected to grow from $138.9 billion in 2024 to $176.7 billion by 2030, with a compound annual growth rate (CAGR) of 4.1% [3] - The Chinese autoimmune disease drug market is expected to increase from $5.1 billion in 2024 to $19 billion by 2030, with a CAGR of 24.5% [3] - The global allergy disease drug market is anticipated to grow from $42.8 billion in 2018 to $68.8 billion in 2024, with a CAGR of 8.2%, reaching $111.4 billion by 2030 [3] Key Products - The core product, LP-003, is a next-generation anti-IgE antibody designed to treat allergic diseases, with the fastest clinical development progress among global candidates [4] - The key product, LP-005, is a bifunctional antibody fusion protein targeting C5 and C3b complement, aimed at treating various complement-mediated diseases [4] Clinical Development - LP-003 has received IND approval in China for multiple indications, including allergic rhinitis (AR) and chronic spontaneous urticaria (CSU), with ongoing Phase III trials for seasonal AR [5] - LP-005 is currently undergoing a Phase II clinical trial for treating paroxysmal nocturnal hemoglobinuria (PNH) and plans to initiate trials for other complement-mediated kidney diseases [5] Financial Overview - Tianchen Biopharmaceuticals reported other income and revenue of approximately RMB 2.23 million, RMB 3.07 million, RMB 1.38 million, and RMB 0.88 million for the fiscal years 2023, 2024, and the first half of 2025, respectively [6] - The company incurred total losses of approximately RMB 95.78 million, RMB 137.32 million, RMB 58.93 million, and RMB 94.21 million during the same periods [6][7]