C4 Therapeutics(US:CCCC)2025-12-03 21:27Summary of C4 Therapeutics FY Conference Call Company Overview - C4 Therapeutics is a targeted protein degradation company focused on developing breakthrough medicines for patients with high unmet medical needs [3][4] - The company has two active clinical programs: - Cemsidomide (IKZF1/3 degrader) with data recently presented at IMS in Toronto, expected to enter the next phase of development early next year [3][4] - CFT8919 (EGFR L858R degrader) currently in a phase one first-in-human study in collaboration with Betta Pharmaceuticals in China [3][4] Clinical Program Updates - Cemsidomide: - Phase 1 dose escalation study showed an overall objective response rate (ORR) of 36% across 72 patients, with higher doses (75 micrograms and 100 micrograms) achieving ORRs of 40% and 53% respectively [6][7] - Median duration of treatment was 9.3 months, with a safety profile indicating only 6% of patients had dose reductions due to safety reasons [7][8] - 100% of patients were triple-class exposed, with 75% having prior CAR T or T cell engager therapy, showing consistent response rates across these subgroups [8][14] - Comparison with Mezigdomide: - Cemsidomide's response rate (53%) is competitive with mezigdomide (55%), but with a significantly better safety profile, as mezigdomide had higher rates of discontinuations and dose reductions due to safety [13][14] Future Development Plans - The company plans to advance Cemsidomide to the next phase of studies, with a meeting scheduled with the FDA to align on dosing [16][18] - The expected ORR for the upcoming 4L+ study is around 40%, based on a background rate of 20% [20] Financial and Strategic Considerations - C4 Therapeutics has a cash runway through the end of 2028, which does not include potential milestone payments of up to $40 million from collaboration partners [32] - The company is focused on moving Cemsidomide to the next phase while also supporting the ongoing study with Betta Pharmaceuticals [31][32] Commercial Considerations - Pricing for Cemsidomide is still under consideration, with the goal to be competitive based on the value it brings to patients [21] - The expected duration of response in a last-line setting is anticipated to be over six months, with current data showing 9.3 months [23] Combination Therapy Insights - C4 Therapeutics is exploring the combination of Cemsidomide with bispecific T-cell engagers, with evidence suggesting potential synergistic effects [24][25] - The study design will introduce Cemsidomide only after patients reach the loaded dose of the BiTE, with careful monitoring of safety and tolerability [26][27] Key Takeaways - C4 Therapeutics is making significant progress in its clinical programs, particularly with Cemsidomide, which shows promising efficacy and safety profiles compared to competitors - The company is strategically positioned for future growth with a solid financial runway and ongoing collaborations, while also preparing for potential commercial opportunities in the near future