2023
Comparing the prognostic and predictive utility of serum thymidine kinase 1 and CA 15-3 in patients with hormone receptor positive metastatic breast cancer starting first-line endocrine therapy in SWOG S0226.
Cobain E, Barlow W, Paoletti C, Bergqvist M, Williams A, Ritzen H, Mehta R, Gralow J, Hortobagyi G, Albain K, Pusztai L, Sharma P, Godwin A, Thompson A, Hayes D, Rae J. Comparing the prognostic and predictive utility of serum thymidine kinase 1 and CA 15-3 in patients with hormone receptor positive metastatic breast cancer starting first-line endocrine therapy in SWOG S0226. Journal Of Clinical Oncology 2023, 41: 1076-1076. DOI: 10.1200/jco.2023.41.16_suppl.1076.Peer-Reviewed Original ResearchProgression-free survivalMetastatic breast cancerThymidine kinase 1 activityHormone receptor-positive metastatic breast cancerPositive metastatic breast cancerOverall survivalEndocrine therapyCA 15Breast cancerCA15-3Predictors of PFSFirst-line endocrine therapySubsequent progression-free survivalWorse progression-free survivalSerum thymidine kinase 1Systemic endocrine therapyMultivariable Cox modelCox regression analysisWorse overall survivalHypothesis-generating dataCycles of treatmentTamoxifen useSystemic therapySerum levelsMultivariable analysis
2021
Evaluating Serum Thymidine Kinase 1 in Hormone Receptor Positive Metastatic Breast Cancer Patients Receiving First Line Endocrine Therapy in the SWOG S0226 Trial
Paoletti C, Barlow WE, Cobain EF, Bergqvist M, Mehta RS, Gralow JR, Hortobagyi GN, Albain KS, Pusztai L, Sharma P, Godwin AK, Thompson AM, Hayes DF, Rae JM. Evaluating Serum Thymidine Kinase 1 in Hormone Receptor Positive Metastatic Breast Cancer Patients Receiving First Line Endocrine Therapy in the SWOG S0226 Trial. Clinical Cancer Research 2021, 27: clincanres.1562.2021. PMID: 34521624, PMCID: PMC8595696, DOI: 10.1158/1078-0432.ccr-21-1562.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsClinical Trials as TopicFemaleHumansKaplan-Meier EstimateMiddle AgedPrognosisReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRetrospective StudiesThymidine KinaseTreatment OutcomeConceptsProgression-free survivalMetastatic breast cancerFirst-line endocrine therapyOverall survivalEndocrine therapyHormone receptor-positive metastatic breast cancer patientsHormone receptor-positive metastatic breast cancerPositive metastatic breast cancer patientsSubsequent progression-free survivalMetastatic breast cancer patientsWorse progression-free survivalCombination endocrine therapySerum thymidine kinase 1Trial of anastrozoleThymidine kinase 1 activityBreast cancer patientsLog-rank testLine endocrine therapyDu/LAdjuvant tamoxifenPrognostic effectCox regressionPoor prognosisWorse prognosisKaplan-Meier
2012
Ki67 expression in the primary tumor predicts for clinical benefit and time to progression on first-line endocrine therapy in estrogen receptor-positive metastatic breast cancer
Delpech Y, Wu Y, Hess KR, Hsu L, Ayers M, Natowicz R, Coutant C, Rouzier R, Barranger E, Hortobagyi GN, Mauro D, Pusztai L. Ki67 expression in the primary tumor predicts for clinical benefit and time to progression on first-line endocrine therapy in estrogen receptor-positive metastatic breast cancer. Breast Cancer Research And Treatment 2012, 135: 619-627. PMID: 22890751, DOI: 10.1007/s10549-012-2194-2.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Agents, HormonalBreast NeoplasmsBreast Neoplasms, MaleCarcinoma, Ductal, BreastDisease-Free SurvivalFemaleHumansKaplan-Meier EstimateKi-67 AntigenMaleMiddle AgedMultivariate AnalysisNeoplasm Recurrence, LocalNeoplasms, Hormone-DependentProportional Hazards ModelsReceptors, EstrogenRetrospective StudiesTreatment OutcomeConceptsFirst-line endocrine therapyEndocrine therapyMetastatic breast cancerMetastatic diseaseKi67 expressionClinical benefitPrimary tumorBreast cancerExpression groupEstrogen receptor-positive metastatic breast cancerIndependent adverse prognostic factorKaplan-Meier survival curvesClinical benefit rateKi67 expression levelsAdverse prognostic factorMedian survival timeLow Ki67 expressionBreast cancer correlatesHigh Ki67 expressionHigh clinical benefitPrognostic factorsMedian timeMetastatic recurrencePrimary cancerImmunohistochemical variables