2023
Impact of Neoadjuvant Paclitaxel/Trastuzumab/Pertuzumab on Breast Tumor Downsizing for Patients with HER2+ Breast Cancer: Single-Arm Prospective Clinical Trial.
Weiss A, Li T, Desai N, Tung N, Poorvu P, Partridge A, Nakhlis F, Dominici L, Sinclair N, Spring L, Faggen M, Constantine M, Krop I, DeMeo M, Wrabel E, Alberti J, Chikarmane S, Tayob N, King T, Tolaney S, Winer E, Mittendorf E, Waks A. Impact of Neoadjuvant Paclitaxel/Trastuzumab/Pertuzumab on Breast Tumor Downsizing for Patients with HER2+ Breast Cancer: Single-Arm Prospective Clinical Trial. Journal Of The American College Of Surgeons 2023, 237: 247-256. PMID: 37194964, DOI: 10.1097/xcs.0000000000000761.Peer-Reviewed Original ResearchConceptsBreast conservation therapyTrastuzumab/pertuzumabBreast cancerTumor downsizingSystemic therapyBCT ratesSingle-arm prospective clinical trialBreast pathologic complete responseSingle-arm prospective trialBreast cancer warrants further investigationBCT-eligible patientsBreast size ratioCancer warrants further investigationEarly-stage HER2Neoadjuvant systemic therapyPathologic complete responseProspective clinical trialsWarrants further investigationBCT eligibilityMulticentric tumorsNeoadjuvant regimensProspective trialComplete responseLocal therapyConservation therapy
2022
A prospective trial of treatment de-escalation following neoadjuvant paclitaxel/trastuzumab/pertuzumab in HER2-positive breast cancer
Waks AG, Desai NV, Li T, Poorvu PD, Partridge AH, Sinclair N, Spring LM, Faggen M, Constantine M, Metzger O, Alberti J, Deane J, Rosenberg SM, Frank E, Tolaney SM, Krop IE, Tung NM, Tayob N, King TA, Mittendorf EA, Winer EP. A prospective trial of treatment de-escalation following neoadjuvant paclitaxel/trastuzumab/pertuzumab in HER2-positive breast cancer. Npj Breast Cancer 2022, 8: 63. PMID: 35538105, PMCID: PMC9091255, DOI: 10.1038/s41523-022-00429-7.Peer-Reviewed Original ResearchPathologic complete responseProspective trialBreast cancerSingle-arm prospective trialHER2-positive breast cancerHuman epidermal growth factor receptorAdjuvant treatment plansDose of THPEarly-stage HER2Incomplete clinical responsePrimary feasibility endpointTrastuzumab/pertuzumabMajority of patientsOngoing prospective trialsStage II tumorsLong-term efficacyBreast cancer recurrenceEpidermal growth factor receptorAdjuvant chemotherapyFeasibility endpointsGrowth factor receptorNeoadjuvant regimenAdjuvant therapyDoublet therapyPrimary endpoint
2011
P1-06-23: Changes in Gene Expression after One Dose of Trastuzumab (T) in HER2+ Breast Cancer Cell Lines Predict Novel Pathways of Response in HER2 Positive Early Stage Breast Cancer.
Sprecher E, Lezon-Geyda K, Sarkar S, Bossuyt V, Narayaan M, Kumar A, Krop I, Winer E, Tuck D, Kleinstein S, Harris L. P1-06-23: Changes in Gene Expression after One Dose of Trastuzumab (T) in HER2+ Breast Cancer Cell Lines Predict Novel Pathways of Response in HER2 Positive Early Stage Breast Cancer. Cancer Research 2011, 71: p1-06-23-p1-06-23. DOI: 10.1158/0008-5472.sabcs11-p1-06-23.Peer-Reviewed Original ResearchPathologic complete responseBreast cancer patientsBreast cancer cell linesSensitive cell linesCancer cell linesCancer patientsSingle doseBreast cancerHER2-positive early-stage breast cancerPositive early-stage breast cancerCell linesBreast tumorsEarly breast cancer patientsEarly-stage breast cancerDose of trastuzumabEarly-stage HER2Early breast cancerResistant breast tumorsStage breast cancerTumor core biopsiesPathway analysisMechanism of actionResistant HER2RECIST criteriaClinical responseAssociation between response to brief trastuzumab exposure in cell lines and early stage HER2+ breast tumors
Sprecher E, Sarkar S, Kleinstein S, Narayan M, Winer E, Tuck D, Lezon-Geyda K, Krop I, Harris L. Association between response to brief trastuzumab exposure in cell lines and early stage HER2+ breast tumors. 2011, 446-450. DOI: 10.1145/2147805.2147867.Peer-Reviewed Original ResearchEarly-stage HER2Breast cancer patientsBreast tumorsTrastuzumab treatmentCancer patientsCell linesHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Breast cancer settingGrowth factor receptor 2Resistant breast tumorsTrastuzumab-resistant HER2Breast cancer cell linesClinical treatment decisionsFactor receptor 2Trastuzumab exposureCancer cell linesGene expression signaturesResponsive patientsTrastuzumab resistanceSingle doseTargeted therapyBreast cancerCancer settingTreatment decisions