兴业证券主要观点如下： TCE在血液瘤中的疗效与商业化能力已充分验证，实现实体瘤中的广泛应用仍需解决诸多挑战 当前全球已获批的TCE疗法共有12款(美国获批10款，中国获批6款)，其中9款用于血液瘤，仅3款用于 实体瘤。TCE在实体瘤中的应用需要解决以下问题：(1)靶向肿瘤外毒性，避免TCE分子对健康组织中表 达TAA的组织进行杀伤;(2)解决肿瘤微环境中T细胞浸润的缺乏;(3)调节性T细胞等免疫抑制性细胞及其 产生的细胞因子引起的抑制性肿瘤微环境，导致效应T细胞耗竭等问题。 非全长双抗、2+1格式设计、TCR、前药、共刺激靶点与选择性T细胞靶点等设计进一步增强TCE在实 体瘤的适用性 (1)Amgen与MSD非全长双抗设计在DLL3靶点中表现出突出的抗肿瘤活性：Amgen基于HLE-BiTE平台 开发的DLL3/CD3双抗塔拉妥单抗已成功实现铂化疗进展SCLC的获批上市;MSD的Gocatamig高剂量组在 后线SCLC患者中实现较高比例的肿瘤应答，且对脑转移患者表现出差异化疗效。 (2)"2+1"格式设计有望实现对CD3亲和力的精准调控：Xencor公司XmAb平台的("2+1"格式设计有效调控 CD3靶 ...

国家医保局表示，2025年国家基本医疗保险、生育保险和工伤保险药品目录是国家医保局成立以来的第 8次调整，已形成常态化、规范化、科学化的调整机制。本次调整在坚持"保基本""尽力而为、量力而 行"的基础上，按照"补齐短板、鼓励创新、优化结构"的调整思路，发挥体制优势、政策优势、市场优 势，扎实推进"战略购买""价值购买"，突出对"真创新""差异化创新"的支持，努力实现保障能力和水平 更加提升、参保患者对新药更加可及、引导医药产业更加注重创新的目标。 推动多层次医疗保障体系建设 据悉，首版商保创新药目录重点纳入创新程度高、临床价值大、患者获益显著且超出基本医保保障范围 的创新药。经过自主申报、专家评审、商保专家复审、测算和价格协商等环节，最终18家创新药企业的 19个药品成功纳入，涉及肿瘤、罕见病等治疗领域，其中包括9个1类新药。 据介绍，商保创新药目录突出体现3个特点：一是体现支持创新的导向，纳入目录的药品均是近年来医 药技术进步的优秀成果，包括CAR-T、TCE疗法、双特异性抗体等热门靶点药物；二是体现对重点领域 的关注，既有阿尔兹海默症等适应人口老龄化趋势的药品，也有戈谢病、神经母细胞瘤等多发于儿童的 罕见 ...

Core Viewpoint - Shimai Pharmaceutical has submitted an application to the Hong Kong Stock Exchange for its main board listing, with Huatai International acting as the sole sponsor [1] Industry Summary - The T-cell engaging (TCE) therapy market is projected to grow significantly, from $3 billion in 2024 to $121.1 billion by 2035, representing a compound annual growth rate (CAGR) of 40.0% [1] Company Summary - As of November 5, 2025, Shimai Pharmaceutical has four self-developed clinical-stage candidate drugs, including DNV3 targeting LAG3, SMET12 for intravenous use targeting EGFR×CD3, CMD011 targeting GPC3×CD3, and the next-generation cloaked TCE CMDE005 [1] - The company is also developing two preclinical next-generation multifunctional/logic-gated TCE candidates, CMDE101 and CMDE102, targeting FOLR1×PD-L1×CD3 and PSMA×PD-L1×CD3, respectively [1] - Shimai Pharmaceutical emphasizes that its TCE therapies feature selective activation, zero immune cell toxicity, precise tumor recognition, and prevention of tumor recurrence, aiming to become a cornerstone therapy in future tumor immunotherapy [1]

Investment Rating - The report maintains a "Buy" recommendation for the industry [3] Core Insights - The report highlights the urgent need for innovative therapies in the treatment of systemic lupus erythematosus (SLE), a condition with a significant patient burden and no current curative treatment options [7][19][21] - B cell-targeted therapies, particularly myeloid cell engagers (MCE), are emerging as promising solutions for SLE, with the potential to achieve deep and lasting depletion of pathogenic B cells [9][10][19] - The report emphasizes the clinical progress of companies like Yiming Oncology, Sanofi, Dren Bio, and LTZ Therapeutics, which are leading in the development of MCE therapies [10][19] Summary by Sections B Cell Autoimmune Diseases - Autoimmune diseases are characterized by the immune system mistakenly attacking the body's own tissues, with a wide variety of B cell autoimmune diseases affecting millions globally, including rheumatoid arthritis (39.8 million), systemic lupus erythematosus (7.8 million), and multiple sclerosis (2.8 million) [13][14] SLE: Patient Population and Disease Burden - SLE is a complex autoimmune disease affecting multiple systems and organs, with a significant prevalence in women aged 20-40, leading to severe health impacts and a strong desire for effective treatments [17][18] SLE Treatment: Unmet Clinical Needs - Current treatments for SLE are inadequate, with a low long-term remission rate and high recurrence risk, highlighting the need for innovative therapies that can provide sustained relief and potentially cure the disease [19][20][21] T Cell-Based Therapies: CAR-T and TCE - CAR-T and T cell engagers (TCE) are being explored for their ability to target and deplete pathogenic B cells, with CAR-T showing promising long-term efficacy in SLE patients [24][37] - However, CAR-T therapies are expensive and complex, while TCEs offer a more standardized and potentially safer alternative, though they may not achieve the same depth of B cell depletion [41][43] Myeloid Cell Engagers (MCE) - MCE therapies represent a novel approach by utilizing myeloid cells to target and eliminate pathogenic B cells, with initial clinical data suggesting promising safety and efficacy profiles [9][10][46] - Companies like Yiming Oncology are at the forefront of this innovation, with upcoming clinical data expected to provide further insights into the effectiveness of MCE therapies for SLE [10][19]