Investment Rating - The investment rating for the pharmaceutical industry is "Positive" (maintained) [4] Core Insights - The report highlights the promising data from CTLA-4 drugs, suggesting potential investment opportunities in related areas [3][5] - The pharmaceutical index experienced a slight decline of 0.14% from December 15 to December 19, 2025, but showed a relative outperformance of 0.14% against the CSI 300 index [5] - The report emphasizes the importance of innovative drugs as a key investment theme for 2026, with a focus on companies that are expected to show clear performance trends and potential reversals in operations [5][41] Summary by Sections 1. CTLA-4 Target - CTLA-4 is identified as a significant immune checkpoint that can inhibit T cell activation, presenting potential value in cancer immunotherapy [8][9] - The CTLA-4 monoclonal antibody Gotistobart shows promising clinical trial results for squamous non-small cell lung cancer (sqNSCLC) patients who are resistant to immunotherapy [14][15] - Gotistobart's innovative mechanism targets Treg cells in the tumor microenvironment, potentially leading to a new paradigm in tumor immunotherapy [20][24] 2. Industry Perspective - The report maintains that innovative drugs should be the main focus for the year, while also considering manufacturing exports and aging-related consumption as relatively undervalued assets [25][41] - The pharmaceutical index has shown a year-to-date increase of 14.49%, with a notable number of stocks experiencing significant gains [25][26] - The report suggests that the Chinese pharmaceutical industry has completed a transition from old to new growth drivers, with innovative drugs opening new growth avenues for companies [41][42] 3. Investment Recommendations - Recommended stocks include innovative drug companies such as Xinyi Tai, Zai Jian Pharmaceutical, and others, as well as companies in the medical device sector [5][45] - The report advises focusing on companies with strong performance trends and those expected to benefit from the aging population and outpatient consumption [42][44] - The report also highlights the potential of AI in the pharmaceutical sector, suggesting that related stocks may perform well in the coming years [42][44]