Amgen's Imdelltra-Imfinzi combination cuts death risk 58% in Phase 3 small cell lung cancer trial
- Amgen reported interim Phase 3 DeLLphi-305 results showing Imdelltra with AstraZeneca’s Imfinzi improved survival versus Imfinzi alone in extensive-stage small cell lung cancer.
- The first-line maintenance combination also delayed disease progression in patients whose cancer had not progressed following initial treatment.
- Results are being presented at ESMO Congress 2026 and simultaneously published in The New England Journal of Medicine.
- Severe treatment-related adverse events were more frequent with the combination, although its safety profile remained consistent with the individual drugs.
- The findings support earlier use of Imdelltra; Amgen plans to share the results with regulatory authorities worldwide.
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