Dianthus Therapeutics Conference Call Summary Company Overview - **Company**: Dianthus Therapeutics (NasdaqCM:DNTH) - **Focus**: Development of therapies for autoimmune diseases, specifically targeting myasthenia gravis (MG) and chronic inflammatory demyelinating polyneuropathy (CIDP) Key Developments Claseprubart (C1s Inhibitor) - **Phase 2 Data**: Positive results for myasthenia gravis with a 300 mg dose every two weeks showing rapid efficacy across five measures [2][3] - **Phase 3 Plans**: Transitioning to phase 3 with both every two-week and every four-week dosing paradigms [3][10] - **Efficacy Comparison**: Anticipated better efficacy than traditional complement inhibitors (C5s) due to its upstream inhibition mechanism [5][6] - **Placebo Response**: Noted a high placebo response in phase 2, which may be mitigated by adjusting screening criteria for future studies [16][17] Financial Position - **Funding**: Recently raised $288 million, resulting in a cash balance of approximately $525 million, providing a runway into 2028 [8] DNTH212 (Bifunctional Fusion Protein) - **Mechanism**: Targets both innate and adaptive immune systems, aiming for infrequent subcutaneous self-administration [9] - **Phase 1 Study**: IND cleared in the U.S. and soon in China, with a single-dose study in healthy volunteers starting imminently [10] Upcoming Catalysts - **Phase 3 for Claseprubart**: Expected to start in 2026, with details to be announced post-FDA alignment [10][40] - **CIDP Interim Analysis**: Results anticipated in the second quarter of 2026, moved up from the second half of the year [10][40] - **MMN Phase 2 Results**: Expected in the second half of 2026 [10][40] Market Positioning and Pricing Strategy - **Pricing Considerations**: Pricing for MG will inform CIDP and MMN pricing strategies, with potential flexibility based on market dynamics [31][32] Competitive Landscape - **Comparison with Competitors**: Dianthus aims to differentiate itself from competitors like Sanofi and Argenx by offering improved dosing and administration [22][30][34] Conclusion - **Strategic Focus**: Dianthus is positioned to leverage its innovative therapies in the autoimmune space, with a strong financial foundation and a clear roadmap for upcoming clinical trials and market entry strategies [40]