2023
Effects of CYP3A4 and CYP2C9 genotype on systemic anastrozole and fulvestrant concentrations in SWOG S0226
Rutherford D, Medley S, Henderson N, Gersch C, Vandenberg T, Albain K, Dakhil S, Tirumali N, Gralow J, Hortobagyi G, Pusztai L, Mehta R, Hayes D, Kidwell K, Henry N, Barlow W, Rae J, Hertz D. Effects of CYP3A4 and CYP2C9 genotype on systemic anastrozole and fulvestrant concentrations in SWOG S0226. Pharmacogenomics 2023, 24: 665-673. PMID: 37615099, PMCID: PMC10565537, DOI: 10.2217/pgs-2023-0097.Peer-Reviewed Original ResearchMeSH KeywordsAnastrozoleAntineoplastic Agents, HormonalBreast NeoplasmsCytochrome P-450 CYP2C9Cytochrome P-450 CYP3AEstradiolFemaleFulvestrantGenotypeHumansNitrilesTriazoles
2021
21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer
Kalinsky K, Barlow WE, Gralow JR, Meric-Bernstam F, Albain KS, Hayes DF, Lin NU, Perez EA, Goldstein LJ, Chia SKL, Dhesy-Thind S, Rastogi P, Alba E, Delaloge S, Martin M, Kelly CM, Ruiz-Borrego M, Gil-Gil M, Arce-Salinas CH, Brain EGC, Lee ES, Pierga JY, Bermejo B, Ramos-Vazquez M, Jung KH, Ferrero JM, Schott AF, Shak S, Sharma P, Lew DL, Miao J, Tripathy D, Pusztai L, Hortobagyi GN. 21-Gene Assay to Inform Chemotherapy Benefit in Node-Positive Breast Cancer. New England Journal Of Medicine 2021, 385: 2336-2347. PMID: 34914339, PMCID: PMC9096864, DOI: 10.1056/nejmoa2108873.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleGene Expression ProfilingHumansLymphatic MetastasisMiddle AgedNeoplasm Recurrence, LocalPostmenopausePremenopauseProspective StudiesReceptor, ErbB-2Receptors, SteroidReverse Transcriptase Polymerase Chain ReactionConceptsInvasive disease-free survivalDistant relapse-free survivalDisease-free survivalRelapse-free survivalChemotherapy benefitRecurrence scoreBreast cancerChemoendocrine therapyAdjuvant chemotherapyPostmenopausal womenPremenopausal womenLymph nodesAxillary lymph node-negative breast cancerLymph node-negative breast cancerPositive axillary lymph nodesHER2-negative breast cancerNode-positive breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Positive lymph node diseasePositive lymph nodesSecondary end pointsAxillary lymph nodesLymph node diseaseGrowth factor receptor 2Evaluating 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
2018
Benefit of the addition of hormone therapy to neoadjuvant anthracycline-based chemotherapy for breast cancer: comparison of predicted and observed pCR
Generali D, Corona SP, Pusztai L, Rouzier R, Allevi G, Aguggini S, Milani M, Strina C, Frati A. Benefit of the addition of hormone therapy to neoadjuvant anthracycline-based chemotherapy for breast cancer: comparison of predicted and observed pCR. Journal Of Cancer Research And Clinical Oncology 2018, 144: 601-606. PMID: 29344722, DOI: 10.1007/s00432-017-2574-4.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnthracyclinesAntibiotics, AntineoplasticAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsChemotherapy, AdjuvantCombined Modality TherapyFemaleHumansMiddle AgedNeoadjuvant TherapyPreoperative PeriodRetrospective StudiesTamoxifenTreatment OutcomeConceptsAnthracycline-based chemotherapyNeoadjuvant chemotherapyHormone receptor-positive breast cancer patientsHormone receptor positive BC patientsReceptor-positive breast cancer patientsHormone receptor-positive BCHormone receptor-positive patientsNeoadjuvant anthracycline-based chemotherapyPathological complete response ratePositive breast cancer patientsReceptor-positive patientsComplete response rateUse of chemotherapyLuminal B tumorsBreast cancer patientsPositive BC patientsCombination of tamoxifenCombination of chemotherapyAddition of tamoxifenSmall patient populationProbability of benefitCremona HospitalEndocrine therapyHormonal therapyNeoadjuvant treatment
2017
Bidirectional Text Messaging to Monitor Endocrine Therapy Adherence and Patient-Reported Outcomes in Breast Cancer
Mougalian SS, Epstein LN, Jhaveri AP, Han G, Abu-Khalaf M, Hofstatter EW, DiGiovanna MP, Silber ALM, Adelson K, Pusztai L, Gross CP. Bidirectional Text Messaging to Monitor Endocrine Therapy Adherence and Patient-Reported Outcomes in Breast Cancer. JCO Clinical Cancer Informatics 2017, 1: 1-10. PMID: 30657377, DOI: 10.1200/cci.17.00015.Peer-Reviewed Original ResearchConceptsAdverse effectsEndocrine therapyClinical trialsBreast cancerFrequency of AEsMedication-related adverse effectsTherapy-related adverse effectsBidirectional Text MessagingEndocrine therapy adherenceAdjuvant endocrine therapyMajority of patientsMedical record reviewSevere adverse effectsText message systemConsecutive patientsVaginal symptomsRecord reviewHot flashesTherapy adherenceClinic nursesHistorical controlsPatient acceptanceProvider teamGeneral populationPatients
2016
Clinical Utility of Biomarker Tests in Decisions on Extended Endocrine Therapy
Sanft T, Pusztai L. Clinical Utility of Biomarker Tests in Decisions on Extended Endocrine Therapy. Journal Of Clinical Oncology 2016, 34: 3942-3943. PMID: 27551119, DOI: 10.1200/jco.2016.67.3285.Peer-Reviewed Original Research
2015
Prospective assessment of the decision-making impact of the Breast Cancer Index in recommending extended adjuvant endocrine therapy for patients with early-stage ER-positive breast cancer
Sanft T, Aktas B, Schroeder B, Bossuyt V, DiGiovanna M, Abu-Khalaf M, Chung G, Silber A, Hofstatter E, Mougalian S, Epstein L, Hatzis C, Schnabel C, Pusztai L. Prospective assessment of the decision-making impact of the Breast Cancer Index in recommending extended adjuvant endocrine therapy for patients with early-stage ER-positive breast cancer. Breast Cancer Research And Treatment 2015, 154: 533-541. PMID: 26578401, PMCID: PMC4661200, DOI: 10.1007/s10549-015-3631-9.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Agents, HormonalAnxietyBreast NeoplasmsChemotherapy, AdjuvantDecision MakingFemaleGene Expression Regulation, NeoplasticGenetic TestingHumansMiddle AgedNeoplasm Recurrence, LocalPrognosisProspective StudiesReceptors, EstrogenSurveys and QuestionnairesTamoxifenConceptsBreast Cancer IndexExtended endocrine therapyER-positive breast cancerAdjuvant endocrine therapyEndocrine therapyDecisional Conflict ScaleBreast cancerCancer indexPhysician recommendationRisk/benefit discussionEarly-stage estrogen receptorEndocrine therapy trialsYale Cancer CenterPositive breast cancerState-Trait Anxiety Inventory FormMean STAIExtended therapyLate recurrenceAbsolute benefitCancer CenterPatient satisfactionPrognostic informationTreatment recommendationsPatient anxietyImproved outcomesGenomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers
Khan SS, Karn T, Symmans WF, Rody A, Müller V, Holtrich U, Becker S, Pusztai L, Hatzis C. Genomic predictor of residual risk of recurrence after adjuvant chemotherapy and endocrine therapy in high risk estrogen receptor-positive breast cancers. Breast Cancer Research And Treatment 2015, 149: 789-797. PMID: 25651779, DOI: 10.1007/s10549-015-3277-7.Peer-Reviewed Original ResearchConceptsRecurrence-free survivalAdjuvant chemotherapyEndocrine therapyHigh riskOncotype DXBreast cancerEstrogen receptor-positive breast cancerReceptor-positive breast cancerRisk categoriesEarly-stage estrogen receptorEndocrine therapy sensitivityGood prognosis patientsER-positive patientsHigh-risk patientsPoor prognosis groupPositive breast cancerLow-risk groupAdjuvant endocrineMultimodality therapyPrognosis patientsRisk patientsEndocrine sensitivityIndependent predictorsPrognosis groupT stage
2013
Proliferation and estrogen signaling can distinguish patients at risk for early versus late relapse among estrogen receptor positive breast cancers
Bianchini G, Pusztai L, Karn T, Iwamoto T, Rody A, Kelly C, Müller V, Schmidt M, Qi Y, Holtrich U, Becker S, Santarpia L, Fasolo A, Del Conte G, Zambetti M, Sotiriou C, Haibe-Kains B, Symmans WF, Gianni L. Proliferation and estrogen signaling can distinguish patients at risk for early versus late relapse among estrogen receptor positive breast cancers. Breast Cancer Research 2013, 15: r86. PMID: 24060333, PMCID: PMC3978752, DOI: 10.1186/bcr3481.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalBiomarkers, TumorBreast NeoplasmsCell ProliferationChemoradiotherapy, AdjuvantEstrogensFemaleFollow-Up StudiesGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedMitosisNeoplasm GradingNeoplasm MetastasisNeoplasm Recurrence, LocalNeoplasm StagingPrognosisReceptors, EstrogenRiskSignal TransductionTamoxifenConceptsNode-negative tumorsLate relapseNeoadjuvant letrozoleEndocrine therapyEarly relapseNegative tumorsBreast cancerEstrogen receptor-positive breast cancerProliferation markersReceptor-positive breast cancerER-positive breast cancerAdjuvant endocrine therapyAffymetrix gene expression profilesExtended endocrine therapyTamoxifen-treated patientsER-positive patientsGenomic grade indexPositive breast cancerRisk of recurrenceRisk of relapseEstrogen receptor activitySmall independent cohortEstrogen-related genesAdjuvant tamoxifenSystemic therapyConcordance Between CYP2D6 Genotypes Obtained From Tumor-Derived and Germline DNA
Rae JM, Regan MM, Thibert JN, Gersch C, Thomas D, Leyland-Jones B, Viale G, Pusztai L, Hayes DF, Skaar T, Van Poznak C. Concordance Between CYP2D6 Genotypes Obtained From Tumor-Derived and Germline DNA. Journal Of The National Cancer Institute 2013, 105: 1332-1334. PMID: 23958736, PMCID: PMC3888280, DOI: 10.1093/jnci/djt204.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, HormonalBlood CellsBreast NeoplasmsCytochrome P-450 CYP2D6DNA, NeoplasmEstrogen Receptor ModulatorsFemaleGenotypeHumansLymph NodesTamoxifenConceptsCYP2D6 genotypeCYP2D6 metabolic phenotypeBreast cancer patientsMetabolic phenotypeAnti-estrogen tamoxifenCancer clinical trialsCancer patientsClinical trialsTumor alterationsGermline DNAConflicting resultsPatientsTumorsTissue sourcesGenotype association studiesConcordanceGenotypesPhenotypeAssociation studiesFFPETTamoxifenEndoxifenWBCCYP2D6TrialsInfluence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer
Abu-Khalaf M, Pusztai L. Influence of genomics on adjuvant treatments for pre-invasive and invasive breast cancer. The Breast 2013, 22: s83-s87. PMID: 24074799, DOI: 10.1016/j.breast.2013.07.015.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsAgedAntineoplastic Agents, HormonalBiopsy, NeedleBreast NeoplasmsChemotherapy, AdjuvantCost SavingsCost-Benefit AnalysisFemaleForecastingGenetic TestingGenomicsHumansImmunohistochemistryMiddle AgedNeoplasm InvasivenessNeoplasm StagingPrognosisReceptors, EstrogenRisk AssessmentSurvival AnalysisTreatment OutcomeConceptsLow-risk patientsBreast cancerRisk patientsTreatment recommendationsEarly-stage breast cancerER-positive breast cancerUse of chemotherapyInvasive breast cancerGenomic testingStage breast cancerInternational practice guidelinesMultivariate prognostic modelCost-effectiveness studiesPotential clinical valueAdjuvant treatmentBreast cancer biomarkersCurrent guidelinesPractice guidelinesClinical utilityClinical valueTumor markersStage IPrognostic modelPrognostic testClinical use
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 variablesCentromere protein-A, an essential centromere protein, is a prognostic marker for relapse in estrogen receptor-positive breast cancer
McGovern SL, Qi Y, Pusztai L, Symmans WF, Buchholz TA. Centromere protein-A, an essential centromere protein, is a prognostic marker for relapse in estrogen receptor-positive breast cancer. Breast Cancer Research 2012, 14: r72. PMID: 22559056, PMCID: PMC3446334, DOI: 10.1186/bcr3181.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic Agents, HormonalAutoantigensBiomarkers, TumorBreast NeoplasmsCentromere Protein ACentromere Protein BChromosomal Proteins, Non-HistoneDisease-Free SurvivalFemaleGene Expression Regulation, NeoplasticHumansKi-67 AntigenMiddle AgedNeoadjuvant TherapyNeoplasm Recurrence, LocalReceptors, EstrogenRNA, MessengerTamoxifenConceptsER-positive diseaseDistant relapse-free survivalSystemic therapyER-negative tumorsIndependent prognostic markerNeoadjuvant chemotherapyPrognostic markerBreast cancerChemotherapy responseKi-67Estrogen receptor-positive breast cancerReceptor-positive breast cancerER-positive breast cancerSignificant independent prognostic markerER-positive tumorsRelapse-free survivalBreast cancer patientsHigh-grade cancerSignificant independent predictorsKi-67 expressionFree survivalHazard ratioIndependent predictorsPrognostic factorsNegative tumors
2011
A Genomic Predictor of Response and Survival Following Taxane-Anthracycline Chemotherapy for Invasive Breast Cancer
Hatzis C, Pusztai L, Valero V, Booser DJ, Esserman L, Lluch A, Vidaurre T, Holmes F, Souchon E, Wang H, Martin M, Cotrina J, Gomez H, Hubbard R, Chacón JI, Ferrer-Lozano J, Dyer R, Buxton M, Gong Y, Wu Y, Ibrahim N, Andreopoulou E, Ueno NT, Hunt K, Yang W, Nazario A, DeMichele A, O’Shaughnessy J, Hortobagyi GN, Symmans WF. A Genomic Predictor of Response and Survival Following Taxane-Anthracycline Chemotherapy for Invasive Breast Cancer. JAMA 2011, 305: 1873-1881. PMID: 21558518, PMCID: PMC5638042, DOI: 10.1001/jama.2011.593.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlgorithmsAnthracyclinesAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsBiopsy, NeedleBreast NeoplasmsBridged-Ring CompoundsDisease-Free SurvivalDrug Resistance, NeoplasmFemaleForecastingGene Expression ProfilingGenes, erbB-2Genes, NeoplasmGenomicsHumansMiddle AgedNeoadjuvant TherapyNeoplasm Recurrence, LocalOligonucleotide Array Sequence AnalysisPredictive Value of TestsPrognosisProspective StudiesReceptors, EstrogenRiskTaxoidsConceptsDistant relapse-free survivalInvasive breast cancerBreast cancerGenomic predictorsD. Anderson Cancer CenterAnthracycline-based regimensER-negative subsetExcellent pathologic responseProspective multicenter studyRelapse-free survivalAbsolute risk reductionStandard cancer treatmentPredictors of responseIndependent validation cohortAnderson Cancer CenterNegative breast cancerCancer treatment strategiesSequential taxaneNeoadjuvant chemotherapyPreoperative chemotherapyPathologic responseWorse survivalEndocrine sensitivityER statusMulticenter study
2010
Molecular Anatomy of Breast Cancer Stroma and Its Prognostic Value in Estrogen Receptor–Positive and –Negative Cancers
Bianchini G, Qi Y, Alvarez RH, Iwamoto T, Coutant C, Ibrahim NK, Valero V, Cristofanilli M, Green MC, Radvanyi L, Hatzis C, Hortobagyi GN, Andre F, Gianni L, Symmans WF, Pusztai L. Molecular Anatomy of Breast Cancer Stroma and Its Prognostic Value in Estrogen Receptor–Positive and –Negative Cancers. Journal Of Clinical Oncology 2010, 28: 4316-4323. PMID: 20805453, DOI: 10.1200/jco.2009.27.2419.Peer-Reviewed Original ResearchMeSH KeywordsAmyloid beta-Protein PrecursorAntineoplastic Agents, HormonalBiopsy, Fine-NeedleB-LymphocytesBreast NeoplasmsChi-Square DistributionCollagen Type IVExtracellular Matrix ProteinsFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMetagenomeNeoplasm Recurrence, LocalPhospholipid Transfer ProteinsPrognosisProportional Hazards ModelsProspective StudiesProtease NexinsProtein Serine-Threonine KinasesReceptor, Transforming Growth Factor-beta Type IIReceptors, Cell SurfaceReceptors, EstrogenReceptors, Transforming Growth Factor betaSurvival AnalysisTamoxifenConceptsER-negative cancersBreast cancer stromaER-positive cancersPrognostic valueCancer stromaNegative cancersProliferative cancersSystemic adjuvant therapyTamoxifen-treated patientsNode-negative patientsEstrogen-receptor positiveStrong prognostic valueCore needle biopsySubset of tumorsLess prognostic valueDistant relapseAdjuvant therapyHazard ratioFavorable prognosisHighest tertilePrognostic scoreCore biopsyBreast cancerImmune functionMultivariate analysisGenomic Index of Sensitivity to Endocrine Therapy for Breast Cancer
Symmans WF, Hatzis C, Sotiriou C, Andre F, Peintinger F, Regitnig P, Daxenbichler G, Desmedt C, Domont J, Marth C, Delaloge S, Bauernhofer T, Valero V, Booser DJ, Hortobagyi GN, Pusztai L. Genomic Index of Sensitivity to Endocrine Therapy for Breast Cancer. Journal Of Clinical Oncology 2010, 28: 4111-4119. PMID: 20697068, PMCID: PMC2953969, DOI: 10.1200/jco.2010.28.4273.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, HormonalAromatase InhibitorsBiomarkers, TumorBreast NeoplasmsChemotherapy, AdjuvantChi-Square DistributionDisease-Free SurvivalEstrogen Receptor alphaFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGenomicsHumansMiddle AgedNeoplasm StagingOligonucleotide Array Sequence AnalysisPatient SelectionProportional Hazards ModelsRisk AssessmentRisk FactorsSurvival AnalysisTamoxifenTime FactorsTranscription, GeneticTreatment OutcomeConceptsAdjuvant endocrine therapyEndocrine therapyBreast cancerDistant relapseER-positive breast cancerChemo-endocrine therapyDistant relapse riskYears of tamoxifenAdjuvant systemic therapyEstrogen receptor αBreast cancer samplesPrior chemotherapyNeoadjuvant chemotherapyPathologic responseSurvival benefitSystemic therapyUntreated cohortRelapse riskDeath riskTherapy indexAromatase inhibitionESR1 levelsReceptor αTamoxifenTherapyPIK3CA mutations associated with gene signature of low mTORC1 signaling and better outcomes in estrogen receptor–positive breast cancer
Loi S, Haibe-Kains B, Majjaj S, Lallemand F, Durbecq V, Larsimont D, Gonzalez-Angulo AM, Pusztai L, Symmans WF, Bardelli A, Ellis P, Tutt AN, Gillett CE, Hennessy BT, Mills GB, Phillips WA, Piccart MJ, Speed TP, McArthur GA, Sotiriou C. PIK3CA mutations associated with gene signature of low mTORC1 signaling and better outcomes in estrogen receptor–positive breast cancer. Proceedings Of The National Academy Of Sciences Of The United States Of America 2010, 107: 10208-10213. PMID: 20479250, PMCID: PMC2890442, DOI: 10.1073/pnas.0907011107.Peer-Reviewed Original ResearchMeSH KeywordsAntibiotics, AntineoplasticAntineoplastic Agents, HormonalBase SequenceBreast NeoplasmsCell Line, TumorClass I Phosphatidylinositol 3-KinasesDNA PrimersFemaleGene Expression ProfilingHumansMechanistic Target of Rapamycin Complex 1Multiprotein ComplexesMutationNeoplasms, Hormone-DependentOligonucleotide Array Sequence AnalysisPhosphatidylinositol 3-KinasesPrognosisProteinsProto-Oncogene Proteins c-aktReceptor, ErbB-2Receptors, EstrogenSignal TransductionSirolimusTamoxifenTOR Serine-Threonine KinasesTranscription FactorsConceptsBreast cancerPIK3CA mutationsClinical outcomesEstrogen receptor-positive breast cancerReceptor-positive breast cancerGene signaturePIK3CA mutation statusPI3K/mTOR inhibitorBetter clinical outcomesPI3K/mTOR inhibitionHuman breast cancerBC cell linesPIK3CA mutant breast cancersCommon genetic aberrationsTamoxifen monotherapyBetter prognosisMTOR inhibitorsBetter outcomesMutation statusMTOR inhibitionPathway activationExperimental modelGenetic aberrationsPrognosisCell lines
2008
Effect of Molecular Disease Subsets on Disease-Free Survival in Randomized Adjuvant Chemotherapy Trials for Estrogen Receptor–Positive Breast Cancer
Pusztai L, Broglio K, Andre F, Symmans WF, Hess KR, Hortobagyi GN. Effect of Molecular Disease Subsets on Disease-Free Survival in Randomized Adjuvant Chemotherapy Trials for Estrogen Receptor–Positive Breast Cancer. Journal Of Clinical Oncology 2008, 26: 4679-4683. PMID: 18662965, DOI: 10.1200/jco.2008.17.2544.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, HormonalBreast NeoplasmsChemotherapy, AdjuvantDisease-Free SurvivalFemaleHumansRandomized Controlled Trials as TopicReceptors, EstrogenResearch DesignRisk AssessmentConceptsDisease-free survivalER-positive breast cancerAdjuvant chemotherapy trialsProportion of patientsBreast cancerChemotherapy trialsRS patientsEstrogen receptor-positive breast cancerRandomized adjuvant chemotherapy trialReceptor-positive breast cancerFuture adjuvant studiesProportion of casesTwo-arm clinical trialChemotherapy decreasesMolecular diagnostic testsAdjuvant chemotherapyEndocrine therapyAdjuvant studiesDisease subsetsPositive cancersClinical trialsDFS estimatesRisk groupsEstrogen receptorMolecular subtypes
2005
Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks
Green MC, Buzdar AU, Smith T, Ibrahim NK, Valero V, Rosales MF, Cristofanilli M, Booser DJ, Pusztai L, Rivera E, Theriault RL, Carter C, Frye D, Hunt KK, Symmans WF, Strom EA, Sahin AA, Sikov W, Hortobagyi GN. Weekly Paclitaxel Improves Pathologic Complete Remission in Operable Breast Cancer When Compared With Paclitaxel Once Every 3 Weeks. Journal Of Clinical Oncology 2005, 23: 5983-5992. PMID: 16087943, DOI: 10.1200/jco.2005.06.232.Peer-Reviewed Original ResearchConceptsPrimary systemic chemotherapyWeekly paclitaxelLymph nodesBreast cancerClinical responseFrequent administrationPathologic complete response rateClinical N0 diseaseDoxorubicin/cyclophosphamidePathologic complete remissionSchedule of paclitaxelClinical stage IComplete response rateIIIA breast cancerOperable breast cancerBreast conservation ratesLymph node involvementInvasive breast cancerLymph node statusDoses of paclitaxelFine-needle aspirationN0 diseaseComplete remissionNode involvementSystemic chemotherapy