Core Insights - The report by Zhongyou Securities focuses on the development of drugs in the autoimmune (self-immune) field, analyzing market demand, dual-antibody research priorities, and related investment targets [1][3]. Market Demand - The autoimmune field has a large patient base and long medication cycles, leading to the potential for blockbuster drugs, such as Dupilumab (Dupi), which has annual sales exceeding $10 billion. Key indications like atopic dermatitis (AD), asthma, and chronic obstructive pulmonary disease (COPD) have millions of affected patients, with nearly 9 million patients accessible to biological agents [1][2]. - Existing therapies still have unmet needs, including the need for long-acting formulations to reduce dosing frequency and improve efficacy, as well as expanding the patient population currently limited by screening criteria [1][2]. Dual-Antibody Research Focus - From the perspective of type 2 inflammation mechanisms, targets can be categorized into upstream (e.g., TSLP, IL-33) and downstream (e.g., IL-4, IL-13). Single-target monoclonal antibodies have limited efficacy, making dual antibodies an important direction due to their synergistic effects. In respiratory diseases, the TSLP×IL-13 (or IL-4R) dual antibody shows significant advantages, with clinical data indicating better reductions in FeNO and eosinophils compared to single-target drugs [2][3]. - The report emphasizes the potential of TSLP dual antibodies, highlighting leading global progress from companies like Sanofi (Lunsekimig) and Pfizer (triple antibodies), as well as domestic advancements from companies like Kangnuo (CM512) and Innovent (IBI3002) [2][3]. Investment Targets - Key investment targets include Kangnuo (CM512), which is leading in domestic progress, Innovent (IBI3002), and Qianxin Biotechnology (QX030N), with a focus on dual-antibody development [3]. Conclusion - Overall, TSLP dual antibodies in the autoimmune field show significant potential and may become the next generation of blockbuster drugs, driven by high patient numbers and unmet medical needs [1][3].