HER2-positive breast cancer

Alexis Ann LeVee MD presented novel research at the 2025 San Antonio Breast Cancer Symposium. Her team's study, the randomized phase II neoHIP trial, revealed that pre-operative gut microbiome composition predicts pathologic complete response to immune checkpoint inhibition in patients with early-stage HER2-positive breast cancer. This highlights the microbiome's crucial role in influencing treatment outcomes for HER2-positive breast cancer.