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C4 Therapeutics (CCCC) investor relations material
C4 Therapeutics Guggenheim Securities Emerging Outlook: Biotech Summit 2026 summary
Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.Pipeline and development updates
Lead program cemsidomide, an IKZF1/3 degrader, is advancing to a phase II MOMENTUM trial in fourth-line myeloma, starting this quarter, and a phase IB combination study with elranatamab in Q2, supported by a supply agreement with Pfizer.
An EGFR degrader is in clinical development in China with Betta Pharmaceuticals; decision on U.S. development will follow review of partner data.
Discovery pipeline focuses on inflammation and neurodegenerative diseases, with ongoing collaborations with Biogen (IRAK4, BTK in phase I), Roche (two targets), and Merck KGaA.
Emphasis remains on cemsidomide, but new discovery efforts and collaborations are key strategic priorities.
Regulatory and clinical strategy
Recent FDA draft guidance on MRD negativity as a surrogate endpoint in myeloma is expected to expedite development and approval pathways.
MOMENTUM phase II trial aims to establish efficacy for accelerated approval, with MRD negativity as a key early endpoint.
Combination trial with elranatamab will test for MRD negativity in all CRs, informing phase III design and potential accelerated approval.
Full regulatory endpoints for pivotal studies will require follow-up into 2028, with early response data expected within a year of study closure.
Competitive landscape and positioning
Upcoming phase III data from competitors' degraders (iberdomide, mezigdomide) will provide benchmarks and validate the class, but cemsidomide's strategy is differentiated by focus on immune-based combinations and contemporary trial populations.
Cemsidomide demonstrated a 53% response rate in heavily pretreated patients and robust immune enhancement at all doses, supporting its use across myeloma treatment lines.
Combination with BiTEs is supported by early data showing high response rates and safety, with cemsidomide offering unique efficacy and immune enhancement.
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