Prognostic impact of reduced HER2 protein expression in post-neoadjuvant therapy resection specimens: A single institution experience and review of the literature
Mogica J, Tang H, Liang Y, Zhong M, Hui P, Harigopal M, Krishnamurti U, Fischbach N, Zhan H. Prognostic impact of reduced HER2 protein expression in post-neoadjuvant therapy resection specimens: A single institution experience and review of the literature. The Breast 2023, 72: 103586. PMID: 37812963, PMCID: PMC10568274, DOI: 10.1016/j.breast.2023.103586.Peer-Reviewed Original ResearchConceptsHER2 IHC 3Human epidermal growth factor receptor 2Kaplan-Meier survival analysisHER2-IHC expressionPathologic complete responseResidual diseaseIHC 3Breast cancerIHC expressionSurvival analysisSuperior disease-free survivalEpidermal growth factor receptor 2Intensive adjuvant therapyPost-therapy surveillanceYale Cancer CenterDisease-free survivalGrowth factor receptor 2Recurrence-free survivalSingle institution experienceLow recurrence rateFactor receptor 2HER2 protein expressionAdjuvant trialsNeoadjuvant treatmentAdjuvant therapyDecreased HER2 expression in residual disease following neoadjuvant therapy in patients with HER2-positive breast cancer.
Paredes Mogica J, Tang H, Fischbach N, Zhan H. Decreased HER2 expression in residual disease following neoadjuvant therapy in patients with HER2-positive breast cancer. Journal Of Clinical Oncology 2023, 41: e12621-e12621. DOI: 10.1200/jco.2023.41.16_suppl.e12621.Peer-Reviewed Original ResearchNeo-adjuvant therapyKaplan-Meier survival analysisHER2 IHC 3Pathologic complete responseResidual diseaseBreast cancerHER2 expressionAdjuvant therapyNeoadjuvant therapyEpidermal growth factor receptor 2 overexpressionHuman epidermal growth factor receptor 2 (HER2) overexpressionSurvival analysisHER2-positive breast cancerAggressive adjuvant therapyHER2-IHC expressionPost-therapy surveillanceResidual invasive tumorTrastuzumab/pertuzumabYale Cancer CenterRecurrence-free survivalBreast cancer outcomesAdo-trastuzumab emtansineLow recurrence rateStandard of careAssociation of pre