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Astellas to Present New Clinical Data Across Its Gastrointestinal Cancers Portfolio at 2026 ASCO GI Cancers Symposium

Astellas will share Phase 2 results for zolbetuximab and new Phase 1 data for ASP3082 targeting KRAS G12D mutations in gastrointestinal cancers at ASCO GI 2026.

  • On January 8, 2026, Astellas Pharma Inc. will present Phase 2 ILUSTRO cohort results and Phase 1 ASP3082 data at ASCO Gastrointestinal Cancers Symposium, San Francisco, California.
  • Astellas is advancing CLDN18.2 targets because in SPOTLIGHT and GLOW Phase 3 trials about 38% of patients had CLDN18.2-positive tumors, supported by Ventana CLDN18 and RXDX assays.
  • Safety data indicate high rates of nausea and vomiting for VYLOY combinations, with 82% in mFOLFOX6 and 69% in CAPOX; SPOTLIGHT reported 45% serious adverse reactions and 20% discontinuations.
  • Regulatory uncertainty remains because the safety and efficacy of investigational agents ASP3082 and ASP4396 have not been established, and ClinicalTrials.gov identifiers NCT06901531, NCT05382559, NCT06364696 provide trial details.
  • Astellas is positioning its KRAS G12D program by advancing ASP4396 and ASP3082 , targeting a mutation present in approximately 40% of pancreatic ductal adenocarcinomas.
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Astellas to Present New Clinical Data Across Its Gastrointestinal Cancers Portfolio at 2026 ASCO GI Cancers Symposium

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The Billings Gazette broke the news in Billings, United States on Wednesday, December 10, 2025.
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