Clinicopathological Features Among Patients With Advanced Human Epidermal Growth Factor–2-Positive Breast Cancer With Prolonged Clinical Benefit to First-Line Trastuzumab-Based Therapy: A Retrospective Cohort Study
Vaz-Luis I, Seah D, Olson EM, Wagle N, Metzger-Filho O, Sohl J, Litsas G, Burstein HJ, Krop IE, Winer EP, Lin NU. Clinicopathological Features Among Patients With Advanced Human Epidermal Growth Factor–2-Positive Breast Cancer With Prolonged Clinical Benefit to First-Line Trastuzumab-Based Therapy: A Retrospective Cohort Study. Clinical Breast Cancer 2013, 13: 254-263. PMID: 23829891, PMCID: PMC4084778, DOI: 10.1016/j.clbc.2013.02.010.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Agents, HormonalBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, LobularChemotherapy, AdjuvantFemaleFollow-Up StudiesHumansMiddle AgedNeoplasm MetastasisNeoplasm Recurrence, LocalNeoplasm StagingPractice Patterns, Physicians'PrognosisReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRetrospective StudiesSurvival RateTamoxifenYoung AdultConceptsTrastuzumab-based therapyFirst-line trastuzumab-based therapyAdvanced HER2-positive breast cancerHER2-positive breast cancerAdjuvant trastuzumabBreast cancerClinicopathological featuresClinical benefitC-statisticHuman epidermal growth factor-2-positive breast cancerTreatment durationPredictive valueHormone receptor-positive tumorsLong-term clinical benefitPrevious adjuvant trastuzumabTreatment duration groupsRetrospective cohort studyDisease-free intervalHormone receptor positivityReceptor-positive tumorsDuration of treatmentMagnitude of benefitLow predictive valueLogistic regression modelsDifferent logistic regression models