Summary of Cullinan Therapeutics Conference Call Company Overview - **Company**: Cullinan Therapeutics (NasdaqGS:CGEM) - **Focus**: Development of best-in-class molecules for oncology and autoimmune diseases, with a portfolio centered around high-priority programs including CLN-978 for autoimmune diseases and zipalertinib for oncology [2][4] Key Programs and Developments - **Lead Program**: CLN-978, a CD19 x CD3 bispecific T cell engager, is currently in phase 1 clinical studies for systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and Sjogren's disease, with initial clinical data expected in the first half of 2026 [3][4] - **Oncology Program**: Zipalertinib TKI for EGFR exon 20 non-small cell lung cancer is planned for regulatory filing by the end of 2025 [4] Clinical Data and Study Design - **SLE and RA Studies**: Initial clinical data for SLE and RA has been shifted to the first half of 2026, with ongoing patient enrollment in global sites [3][25] - **Study Design**: The SLE study includes a modified single ascending dose study to identify a deeply B cell depleting dose while maintaining a therapeutic index [14][15] - **Eligibility Criteria Update**: Adjustments made to broaden patient eligibility, allowing those who have only received small molecule immune suppressants to participate [20][22] Therapeutic Benefits and Differentiation - **T Cell Engagers**: The potential for T cell engagers to provide therapeutic benefits without ongoing immune suppression is highlighted, with a focus on achieving durable responses [6][10] - **Differentiation of CLN-978**: High affinity binding to CD19 and a favorable cytokine window are key differentiators from other CD19 T cell engagers [8][9] Evidence and Market Potential - **RA Evidence**: Previous studies indicate that T cell engagers can provide clinical benefits through B cell depletion in RA, supporting the rationale for further development [28][30] - **Sjogren's Disease**: While evidence for T cell engagers in Sjogren's is limited, the disease's B cell-centric nature suggests potential therapeutic benefits from B cell-targeting therapies [32][33] Financial Position - **Cash Reserves**: As of the end of Q2, the company reported over $500 million in cash reserves, providing a runway into 2028 [39][41] Regulatory Pathway - **Collaboration with Genrex Bio**: Ongoing studies in China are expected to facilitate regulatory ambitions outside of China, with data generation in autoimmune disease patients aiding in the development of Cullinan's own studies [36][38] Conclusion - Cullinan Therapeutics is positioned to advance its innovative therapies in both oncology and autoimmune diseases, with a strong financial foundation and promising clinical programs aimed at addressing significant unmet medical needs in these areas [41]