Group 1 - The global market for Multiple Sclerosis (MS) products is approximately $20 billion, with a significant focus on Relapsing Multiple Sclerosis (RMS) treatments [1][2] - The existing approved products primarily target RMS, while there is a notable unmet clinical need in the Progressive Multiple Sclerosis (PMS) area, with only one product, Ocrelizumab, approved for Primary Progressive Multiple Sclerosis (PPMS) [2][3] - The patient base for MS is substantial, with projections indicating that the number of MS patients globally will reach 3.71 million by 2030 [1] Group 2 - BTK inhibitors are expected to address the treatment gap in PMS, with their ability to penetrate the blood-brain barrier and modulate key immune cells [3] - Sanofi's Tolebrutinib and Roche's Fenebrutinib are anticipated to release Phase III clinical trial data in the second half of 2025, which could enhance the value of BTK inhibitors in PMS [3][4] - Tolebrutinib has received priority review from the FDA for the treatment of non-relapsing Secondary Progressive Multiple Sclerosis (nrSPMS), with a PDUFA date set for September 28, 2025 [4]

Investment Rating - The investment rating for the biotechnology industry is "Positive" (maintained) [1] Core Insights - The global stock of multiple sclerosis (MS) patients is significant, with the market size exceeding $20 billion, primarily focused on relapsing forms of MS (RMS) [6][9] - BTK inhibitors are expected to fill the treatment gap in primary progressive MS (PPMS) and non-relapsing secondary progressive MS (nrSPMS) [7][9] - The anticipated release of clinical data for BTK inhibitors in the second half of 2025 is expected to enhance the attractiveness of the sector [9] Summary by Sections 1. Multiple Sclerosis Overview - MS is an immune-mediated inflammatory demyelinating disease of the central nervous system, characterized by "spatial" and "temporal" multiplicity [5][27] - The global and Chinese stock of MS patients is projected to reach 3.71 million and 60,000 respectively by 2030, with a CAGR of approximately 2.7% and 2.1% from 2025 to 2030 [19][22] 2. Market Size and Product Landscape - The global MS market is approximately $20 billion, with a focus on RMS treatments [6][40] - Existing products include monoclonal antibodies and oral therapies, with CD20 monoclonal antibodies expected to account for over 60% of sales by 2024 [6][46] 3. BTK Inhibitors and Clinical Development - BTK inhibitors are positioned to address unmet needs in the treatment of PPMS and nrSPMS, with several candidates in late-stage clinical trials [7][51] - Tolebrutinib and Fenebrutinib are expected to release pivotal clinical data in the second half of 2025, which could significantly impact their market potential [8][51] 4. Investment Recommendations - The ongoing clinical developments and the large patient base present significant investment opportunities in companies like 诺诚健华, 翰森制药, 云顶新耀, 恒瑞医药, and 百济神州-U [9]

Investment Rating - The report maintains an "Overweight" rating for the pharmaceutical and biotechnology sector [1] Core Insights - The pharmaceutical sector shows higher certainty under the backdrop of the tariff war, with a focus on innovation and domestic substitution strategies [1][15] - The A-share pharmaceutical index has increased by 1.20% this week and 4.77% year-to-date, outperforming the CSI 300 by 2.57% and 6.64% respectively [3][9] - The report highlights the approval of significant drugs in China, such as Roche's Ocrelizumab for multiple sclerosis and Novartis' Pluvicto for prostate cancer treatment [3][4] Summary by Sections Industry Performance - The A-share pharmaceutical index has shown a weekly increase of 1.20% and a year-to-date increase of 4.77%, while the H-share biotech index has increased by 1.7% this week and 30.77% year-to-date [3][9] - Notable stock performances include Duorui Pharmaceutical (+56%), Oukang Pharmaceutical (+49%), and Weisi Medical (+31%) [3][9] Tariff Impact - The recent U.S. tariff exemptions for the pharmaceutical industry include drug formulations, active pharmaceutical ingredients, and plant extracts, indicating minimal impact on the sector [3][15] - The report notes that 90% of antiviral and antibiotic drugs consumed in the U.S. rely on imported active pharmaceutical ingredients, with a significant portion coming from India and China [15][16] Investment Strategy - Recommended investment focus areas include innovative drugs, blood products, research services, and medical devices, with a specific emphasis on domestic companies benefiting from tariff changes [10][16] - Companies to watch include Baijia Shenzhou, Kelun Pharmaceutical, and Shanghai Laisai in the innovative drug sector, and Shanghai Laisai and Boya Biological in blood products [10][16] R&D Developments - Over 200 Chinese innovative drugs are set to be showcased at the 2025 AACR conference, reflecting the growing international recognition of domestic innovations [3][18] - The report lists several key drugs and their respective companies that have received U.S. approvals, highlighting the advancements in the Chinese pharmaceutical sector [18][19]

Investment Rating - The report maintains an investment rating of "Outperform the Market - A" for the biopharmaceutical sector [4]. Core Insights - The report highlights that Heng Rui Medicine has updated its innovative drug pipeline, entering a harvest period with 19 Class 1 innovative drugs approved for market, 11 in NDA stage, and 16 in Phase 3 clinical trials [2][18]. Summary by Sections Weekly New Drug Market Review - From March 31 to April 4, 2025, the top five companies in the new drug sector by stock price increase were: Hai Chuang Pharmaceutical (20.74%), Yi Ming An Ke (17.89%), Jia He Bio (15.20%), Kang Fang Bio (15.15%), and Mai Wei Bio (12.25%). The top five companies with the largest declines were: Chuang Sheng Group (-24.18%), Teng Sheng Bo Yao (-19.92%), He Bo Pharmaceutical (-17.76%), Mai Bo Pharmaceutical (-17.19%), and Ge Li Pharmaceutical (-12.75%) [1][14]. Key Analysis of the New Drug Industry - Heng Rui Medicine's 2024 annual report reveals its latest research pipeline as of March 2025, with 19 Class 1 innovative drugs approved, 11 in NDA stage, and 16 in Phase 3 clinical trials. The approved drugs include various treatments across multiple therapeutic areas [2][18][21]. New Drug Approvals and Acceptance - In the past week, 10 new drugs or new indications were approved for market, 37 new drugs received IND approval, 19 new drugs had IND applications accepted, and 5 new drugs had NDA applications accepted [22][23]. Domestic New Drug Industry Focus - Key highlights include Heng Rui Medicine's JAK1 inhibitor, Aima Xitini (SHR0302), receiving approval for a new indication for adult patients with moderate to severe active rheumatoid arthritis. Additionally, the company has initiated Phase 3 clinical trials for its GLP-1 receptor agonist, HRS-7535, aimed at weight loss [30][31].