Radiotherapy Use and Incidence of Locoregional Recurrence in Patients With Favorable-Risk, Node-Positive Breast Cancer Enrolled in the SWOG S1007 Trial
Jagsi R, Barlow W, Woodward W, Connolly E, Mahtani R, Shumway D, Speers C, Stecklein S, Zeidan Y, Zhang H, Sharma P, Pusztai L, Hortobagyi G, Kalinsky K. Radiotherapy Use and Incidence of Locoregional Recurrence in Patients With Favorable-Risk, Node-Positive Breast Cancer Enrolled in the SWOG S1007 Trial. JAMA Oncology 2023, 9: 1083-1089. PMID: 37410451, PMCID: PMC10326730, DOI: 10.1001/jamaoncol.2023.1984.Peer-Reviewed Original ResearchConceptsInvasive disease-free survivalDisease-free survivalLocoregional recurrenceBreast-conserving surgeryBreast cancerLocoregional therapyCumulative incidenceRecurrence scoreRadiotherapy informationERBB2-negative breast cancerPredictors of LRRRate of LRRSecondary analysisNode-positive breast cancerBreast Recurrence ScoreLimited nodal diseaseLower locoregional recurrenceOmission of chemotherapyAxillary surgeryRadiotherapy receiptEndocrine therapyN1 diseaseNodal diseaseLocoregional treatmentMenopausal statusEvaluation of the Sensitivity to Endocrine Therapy Index and 21-Gene Breast Recurrence Score in the SWOG S8814 Trial
Speers C, Symmans W, Barlow W, Trevarton A, The S, Du L, Rae J, Shak S, Baehner R, Sharma P, Pusztai L, Hortobagyi G, Hayes D, Albain K, Godwin A, Thompson A. Evaluation of the Sensitivity to Endocrine Therapy Index and 21-Gene Breast Recurrence Score in the SWOG S8814 Trial. Journal Of Clinical Oncology 2023, 41: 1841-1848. PMID: 36649570, PMCID: PMC10082279, DOI: 10.1200/jco.22.01499.Peer-Reviewed Original ResearchConceptsBreast Recurrence ScoreAnthracycline-based chemotherapyDisease-free survivalRecurrence scoreEndocrine therapyTherapy indexAdjuvant anthracycline-based chemotherapyNode-positive breast cancerAdjuvant endocrine therapyPrimary end pointSubset of patientsPostmenopausal patientsChemotherapy benefitTreatment armsPrognostic indexPrognostic informationBreast cancerPrognostic assessmentPrognostic performancePatientsEnd pointTumor samplesChemotherapyClinical validationProportional hazards assumption