2021
Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer
Vathiotis IA, Moutafi MK, Divakar P, Aung TN, Qing T, Fernandez A, Yaghoobi V, El-Abed S, Wang Y, Guillaume S, Nuciforo P, Huober J, Di Cosimo S, Kim SB, Harbeck N, Gomez H, Shafi S, Syrigos KN, Fountzilas G, Sotiriou C, Pusztai L, Warren S, Rimm DL. Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer. Clinical Cancer Research 2021, 27: 6156-6163. PMID: 34465600, PMCID: PMC8595766, DOI: 10.1158/1078-0432.ccr-21-2103.Peer-Reviewed Original ResearchConceptsDisease-free survivalHER2-positive breast cancerShorter disease-free survivalBreast cancerQuantitative immunofluorescenceEarly-stage HER2-positive breast cancerAlpha-smooth muscle actin expressionAlpha-smooth muscle actinProgesterone receptor statusHigh α-SMA expressionDigital Spatial ProfilerΑ-SMA expressionPromising candidate biomarkerCompanion diagnostic testsMuscle actin expressionDigital spatial profilingCohort validationNeoadjuvant lapatinibAdjuvant trastuzumabReceptor statusClinical trialsUnivariate analysisEstrogen receptorMAIN OUTCOMEΑ-SMA
2012
Survival outcomes in HER2-positive invasive lobular breast carcinoma.
Barcenas C, Hess K, Delpech Y, Pusztai L, Hortobagyi G, Giordano S, Esteva F. Survival outcomes in HER2-positive invasive lobular breast carcinoma. Journal Of Clinical Oncology 2012, 30: 612-612. DOI: 10.1200/jco.2012.30.15_suppl.612.Peer-Reviewed Original ResearchInvasive lobular breast carcinomaDisease-free survivalER/PRInvasive ductal carcinomaLobular breast carcinomaSurvival outcomesOverall survivalBreast carcinomaCox proportional hazards regressionMD Anderson Cancer CenterProgesterone receptor statusRare clinical entityBreast cancer patientsProportional hazards regressionNumber of patientsAnderson Cancer CenterMedian followBetter OSMedian ageReceptor statusClinical entityDuctal carcinomaHazards regressionCancer CenterLobular carcinoma
2007
Standardizing Slide-Based Assays in Breast Cancer: Hormone Receptors, HER2, and Sentinel Lymph Nodes
Ross JS, Symmans WF, Pusztai L, Hortobagyi GN. Standardizing Slide-Based Assays in Breast Cancer: Hormone Receptors, HER2, and Sentinel Lymph Nodes. Clinical Cancer Research 2007, 13: 2831-2835. PMID: 17504980, DOI: 10.1158/1078-0432.ccr-06-2522.Peer-Reviewed Original ResearchConceptsReceptor statusClinical practiceHormone receptor statusProgesterone receptor statusBreast cancer careBreast cancer patientsSentinel lymph nodesDaily clinical practiceCurrent clinical practiceSignificant unmet needFalse-positive result ratesLymph nodesCancer careCancer patientsHER2 statusBreast cancerEstrogen receptorImmunohistochemistry techniquesUnmet needResult rateHormone receptorsPreanalytic conditionsNovel diagnosticsCareReceptors
2005
Epidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy
Buchholz TA, Tu X, Ang KK, Esteva FJ, Kuerer HM, Pusztai L, Cristofanilli M, Singletary SE, Hortobagyi GN, Sahin AA. Epidermal growth factor receptor expression correlates with poor survival in patients who have breast carcinoma treated with doxorubicin‐based neoadjuvant chemotherapy. Cancer 2005, 104: 676-681. PMID: 15981280, DOI: 10.1002/cncr.21217.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicCyclophosphamideDisease-Free SurvivalDoxorubicinErbB ReceptorsFemaleFluorouracilHumansImmunohistochemistryNeoadjuvant TherapyPrognosisRandomized Controlled Trials as TopicSurvival AnalysisConceptsEpidermal growth factor receptorBreast carcinomaEGFR expressionAnthracycline chemotherapyLymph nodesEpidermal growth factor receptor expression correlatesSurvival ratePathologic complete response ratePretreatment tumor tissue samplesDisease-free survival ratesCox regression analysis modelComplete response rateEGFR-negative tumorsEGFR-positive diseasePositive lymph nodesAdvanced breast carcinomaMore lymph nodesOutcomes of patientsOverall survival rateProgesterone receptor statusEGFR-positive tumorsTumor tissue samplesKnowledge of outcomesGrowth factor receptorCyclophosphamide chemotherapy