2024
Identification of HER2-positive breast cancer molecular subtypes with potential clinical implications in the ALTTO clinical trial
Rediti M, Venet D, Joaquin Garcia A, Maetens M, Vincent D, Majjaj S, El-Abed S, Di Cosimo S, Ueno T, Izquierdo M, Piccart M, Pusztai L, Loi S, Salgado R, Viale G, Rothé F, Sotiriou C. Identification of HER2-positive breast cancer molecular subtypes with potential clinical implications in the ALTTO clinical trial. Nature Communications 2024, 15: 10402. PMID: 39613746, PMCID: PMC11607438, DOI: 10.1038/s41467-024-54621-3.Peer-Reviewed Original ResearchMeSH KeywordsAntineoplastic Agents, ImmunologicalBiomarkers, TumorBreast NeoplasmsClinical Trials, Phase III as TopicFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansMiddle AgedNeoplasm Recurrence, LocalPrognosisRandomized Controlled Trials as TopicReceptor, ErbB-2TrastuzumabTumor MicroenvironmentConceptsHER2-positive breast cancerMolecular subtypesBreast cancerRate of pathological complete responseSensitive to HER2-targeted therapiesClinical trialsRisk of distant recurrenceBreast cancer molecular subtypesPathological complete responseHER2-targeted therapyCancer molecular subtypesPotential clinical implicationsNeoALTTO trialDistant recurrenceComplete responseAdjuvant trastuzumabPrognostic/predictive valueHeterogeneous biologySurvival outcomesI-SPY2Clinical outcomesMicroenvironment featuresGene expression profilesExternal cohortTumor
2022
139MO Identification of biologically-driven HER2-positive breast cancer subgroups associated with prognosis after adjuvant trastuzumab in the ALTTO trial
Rediti M, Venet D, Garcia A, Agbor-tarh D, Maetens M, Vincent D, Majjaj S, El-Abed S, Liu M, Di Cosimo S, Piccart M, Pusztai L, Loi S, Salgado R, Viale G, Rothé F, Sotiriou C. 139MO Identification of biologically-driven HER2-positive breast cancer subgroups associated with prognosis after adjuvant trastuzumab in the ALTTO trial. Annals Of Oncology 2022, 33: s602-s603. DOI: 10.1016/j.annonc.2022.07.174.Peer-Reviewed Original Research
2021
Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer
Vathiotis IA, Moutafi MK, Divakar P, Aung TN, Qing T, Fernandez A, Yaghoobi V, El-Abed S, Wang Y, Guillaume S, Nuciforo P, Huober J, Di Cosimo S, Kim SB, Harbeck N, Gomez H, Shafi S, Syrigos KN, Fountzilas G, Sotiriou C, Pusztai L, Warren S, Rimm DL. Alpha-smooth muscle actin expression in the stroma predicts resistance to trastuzumab in patients with early-stage HER2-positive breast cancer. Clinical Cancer Research 2021, 27: 6156-6163. PMID: 34465600, PMCID: PMC8595766, DOI: 10.1158/1078-0432.ccr-21-2103.Peer-Reviewed Original ResearchConceptsDisease-free survivalHER2-positive breast cancerShorter disease-free survivalBreast cancerQuantitative immunofluorescenceEarly-stage HER2-positive breast cancerAlpha-smooth muscle actin expressionAlpha-smooth muscle actinProgesterone receptor statusHigh α-SMA expressionDigital Spatial ProfilerΑ-SMA expressionPromising candidate biomarkerCompanion diagnostic testsMuscle actin expressionDigital spatial profilingCohort validationNeoadjuvant lapatinibAdjuvant trastuzumabReceptor statusClinical trialsUnivariate analysisEstrogen receptorMAIN OUTCOMEΑ-SMA
2011
Coping with uncertainty: T1a,bN0M0 HER2-positive breast cancer, do we have a treatment threshold?
Kelly CM, Pritchard KI, Trudeau M, Andreopoulou E, Hess K, Pusztai L. Coping with uncertainty: T1a,bN0M0 HER2-positive breast cancer, do we have a treatment threshold? Annals Of Oncology 2011, 22: 2387-2393. PMID: 21406473, DOI: 10.1093/annonc/mdq786.Peer-Reviewed Original ResearchConceptsHER2-positive breast cancerBreast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Baseline risk estimatesBN0M0 breast cancerHER2-positive cohortNode-negative T1aStudy end pointDisease-free survivalRisks of therapyGrowth factor receptor 2Subset of patientsPositive breast cancerRetrospective database analysisHER2-negative cancersRecent retrospective studiesHER2-positive cancersFactor receptor 2Small cohort sizeAdjuvant therapyAdjuvant trastuzumabComorbid illnessesCardiac eventsAbsolute benefit