Maria Hafez: New Strategies to Enhance Immunotherapy in HR+/HER2- Breast Cancer
Maria Hafez and Shigehira Saji/X

Maria Hafez: New Strategies to Enhance Immunotherapy in HR+/HER2- Breast Cancer

Maria Hafez, Assistant Professor at St. Luke’s University Health Network, shared on X:

“Day 3 ESMO26

Prof Shigehira Saji on IO in HR+/HER2− early BC

  • KN-756 and CM-7FL: ~10-pt pCR gain
  • Signals: ER-low, PD-L1+, high TILs, MP High2
  • irAEs like TNBC; EFS pending
  • pCR gain alone doesn’t yet justify ICI

Maria Hafez

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Neo-CheckRay (phase II): tumor SBRT may turn PD-L1-negative tumors ‘hot’. pCR rose from ~3% to ~30% in PD-L1 <1% disease with SBRT + ICI. Small trial, so this is hypothesis-generating. SWOG S2206 (MP High2, EFS endpoint) is the trial to watch.”

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Maria Hafez: New Strategies to Enhance Immunotherapy in HR+/HER2- Breast Cancer