2013
Biomarker Analysis of Neoadjuvant Doxorubicin/Cyclophosphamide Followed by Ixabepilone or Paclitaxel in Early-Stage Breast Cancer
Horak CE, Pusztai L, Xing G, Trifan OC, Saura C, Tseng LM, Chan S, Welcher R, Liu D. Biomarker Analysis of Neoadjuvant Doxorubicin/Cyclophosphamide Followed by Ixabepilone or Paclitaxel in Early-Stage Breast Cancer. Clinical Cancer Research 2013, 19: 1587-1595. PMID: 23340299, DOI: 10.1158/1078-0432.ccr-12-1359.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Combined Chemotherapy ProtocolsATP Binding Cassette Transporter, Subfamily BATP Binding Cassette Transporter, Subfamily B, Member 1Biomarkers, TumorBreast NeoplasmsCyclophosphamideDoxorubicinEpothilonesFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMicrofilament ProteinsMicrotubule-Associated ProteinsNeoadjuvant TherapyNeoplasm ProteinsNuclear ProteinsPaclitaxelPrognosisTubulinConceptsMDR1 protein expressionNeoadjuvant doxorubicin/cyclophosphamideEarly-stage breast cancerDoxorubicin/cyclophosphamidePositive patientsProtein expressionTreatment armsBreast cancerPathologic complete response rateEfficacy of ixabepiloneInvasive breast adenocarcinomaComplete response ratePhase II trialCore needle biopsyRates of pCRΒIII-tubulin proteinNeoadjuvant settingII trialNegative patientsGene expressionPrimary cancerPredictive biomarkersPredictive markerRisk ratioNeedle biopsy
2007
Markers predicting clinical benefit in breast cancer from microtubule-targeting agents
Pusztai L. Markers predicting clinical benefit in breast cancer from microtubule-targeting agents. Annals Of Oncology 2007, 18: xii15-xii20. PMID: 18083698, DOI: 10.1093/annonc/mdm534.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic AgentsATP Binding Cassette Transporter, Subfamily B, Member 1Biomarkers, TumorBreast NeoplasmsClinical Trials as TopicDrug Resistance, NeoplasmFemaleGene Expression ProfilingHumansMicrotubulesTaxoidsConceptsMicrotubule-targeting agentsSubset of patientsEstrogen receptor negativityBreast cancer patientsNon-cross resistanceMicrotubule-associated protein tauMechanism of actionReceptor negativityClinical benefitPatient groupCancer patientsClinical trialsPoor responseHER2 amplificationClinical dataClinical studiesBreast cancerTaxane resistanceBetaIII-tubulinProtein tauP-glycoproteinPharmacogenomic analysisTaxanesLow expressionPatients
2005
Phase II study of tariquidar, a selective P‐glycoprotein inhibitor, in patients with chemotherapy‐resistant, advanced breast carcinoma
Pusztai L, Wagner P, Ibrahim N, Rivera E, Theriault R, Booser D, Symmans FW, Wong F, Blumenschein G, Fleming DR, Rouzier R, Boniface G, Hortobagyi GN. Phase II study of tariquidar, a selective P‐glycoprotein inhibitor, in patients with chemotherapy‐resistant, advanced breast carcinoma. Cancer 2005, 104: 682-691. PMID: 15986399, DOI: 10.1002/cncr.21227.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic AgentsATP Binding Cassette Transporter, Subfamily B, Member 1Breast NeoplasmsDrug Resistance, NeoplasmFemaleHumansImmunohistochemistryInfusions, IntravenousMiddle AgedNeoplasm Recurrence, LocalQuinolinesTechnetium Tc 99m SestamibiTomography, Emission-ComputedConceptsAdministration of tariquidarP-gp expressionSestamibi scanBreast carcinomaSestamibi uptakeP-gp-positive tumorsTaxane-containing chemotherapy regimensDocetaxel-related toxicitiesLimited clinical activityObjective tumor responsePercent of patientsPhase II studyAdvanced breast carcinomaP-glycoprotein inhibitor tariquidarP-glycoprotein inhibitorsMultidrug resistance modulationP-gp transporterMultidrug resistance inhibitorsSame chemotherapyStable diseaseChemotherapy regimenChemotherapy regimensTaxane chemotherapyClinical responseDose modification