2024
Development and validation of RSClin N+ tool for hormone receptor-positive (HR+), HER2-negative (HER2-), node-positive breast cancer.
Pusztai L, Hoag J, Albain K, Barlow W, Stemmer S, Meisner A, Hortobagyi G, Shak S, Hayes D, Rae J, Baehner F, Sharma P, Kalinsky K. Development and validation of RSClin N+ tool for hormone receptor-positive (HR+), HER2-negative (HER2-), node-positive breast cancer. Journal Of Clinical Oncology 2024, 42: 508-508. DOI: 10.1200/jco.2024.42.16_suppl.508.Peer-Reviewed Original ResearchChemoendocrine therapyRecurrence scoreClinicopathological factorsBreast cancerPostmenopausal patientsNode-negative breast cancerNode-positive breast cancerHormone receptor-positiveNode-positive diseaseHR+/HER2- breast cancerRisk estimatesHigh-risk patientsEstimating 5-year riskEstimation of recurrence riskLikelihood ratioPremenopausal patientsHER2-negativeReceptor-positiveChemotherapy benefitEndocrine therapyMenopausal statusRisk patientsInvasive diseasePrognostic informationPostmenopausal model
2008
PIK3CA-activating mutations and chemotherapy sensitivity in stage II–III breast cancer
Liedtke C, Cardone L, Tordai A, Yan K, Gomez HL, Figureoa LJ, Hubbard RE, Valero V, Souchon EA, Symmans WF, Hortobagyi GN, Bardelli A, Pusztai L. PIK3CA-activating mutations and chemotherapy sensitivity in stage II–III breast cancer. Breast Cancer Research 2008, 10: r27. PMID: 18371219, PMCID: PMC2397526, DOI: 10.1186/bcr1984.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnthracyclinesAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantClass I Phosphatidylinositol 3-KinasesDNA Mutational AnalysisFemaleHumansLymphatic MetastasisMiddle AgedMutationNeoadjuvant TherapyNeoplasm StagingPhosphatidylinositol 3-KinasesReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneTaxoidsConceptsPathological complete responseER-positive tumorsPIK3CA mutationsBreast cancerChemotherapy sensitivityPIK3CA exon 9 mutationsStage IIResidual cancer burden scoreER-negative breast tumorsReceptor expression statusNode-positive diseaseResultsTwenty-three patientsTaxane-based chemotherapyType of chemotherapyNode-positive tumorsPIK3CA-activating mutationsEstrogen receptor (ER) expression statusExon 9 mutationsPIK3CA activationRCB scoreChemotherapy regimenNeoadjuvant chemotherapyComplete responseResidual cancerER status
2003
Correlation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma
Zhang F, Yang Y, Smith T, Kau S, McConathy JM, Esteva FJ, Kuerer HM, Symmans WF, Buzdar AU, Hortobagyi GN, Pusztai L. Correlation between HER‐2 expression and response to neoadjuvant chemotherapy with 5‐fluorouracil, doxorubicin, and cyclophosphamide in patients with breast carcinoma. Cancer 2003, 97: 1758-1765. PMID: 12655533, DOI: 10.1002/cncr.11245.Peer-Reviewed Original ResearchConceptsCourses of FACBreast carcinomaNeoadjuvant chemotherapyPathologic responseResponse rateLymph node-positive diseaseGood pathologic responseMedian patient ageClinical response rateNode-positive diseasePercent of patientsTime of surgeryClinical laboratory assessmentsMinimal residual diseaseClinical responsePositive diseasePathologic assessmentPatient agePhysical examinationPositive tumorsResidual diseaseImaging assessmentClinical assessmentResponse assessmentNonsignificant trend