2019
Genomic alterations in breast cancer: level of evidence for actionability according to ESMO Scale for Clinical Actionability of molecular Targets (ESCAT)
Condorelli R, Mosele F, Verret B, Bachelot T, Bedard P, Cortes J, Hyman D, Juric D, Krop I, Bieche I, Saura C, Sotiriou C, Cardoso F, Loibl S, Andre F, Turner N. Genomic alterations in breast cancer: level of evidence for actionability according to ESMO Scale for Clinical Actionability of molecular Targets (ESCAT). Annals Of Oncology 2019, 30: 365-373. PMID: 30715161, DOI: 10.1093/annonc/mdz036.Peer-Reviewed Original ResearchConceptsLevel of evidenceBreast cancerESMO ScaleClinical actionabilityGenomic alterationsMicrosatellite instabilityLarge randomized trialsMolecular targetsBRCA 1/2 mutationsGermline BRCA1/2 mutationsESR1 mutationsPreclinical evidenceNTRK fusionsRandomized trialsPIK3CA mutationsERBB2 mutationsBRCA1/2 mutationsRecurrent genomic alterationsMDM2 amplificationERBB2 amplificationClinical practiceDriver alterationsPTEN lossTumor genomic landscapeAntitumor activity
2015
PI3K-p110α mediates resistance to HER2-targeted therapy in HER2+, PTEN-deficient breast cancers
Wang Q, Liu P, Spangle JM, Von T, Roberts TM, Lin NU, Krop IE, Winer EP, Zhao JJ. PI3K-p110α mediates resistance to HER2-targeted therapy in HER2+, PTEN-deficient breast cancers. Oncogene 2015, 35: 3607-3612. PMID: 26500061, PMCID: PMC4846581, DOI: 10.1038/onc.2015.406.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBreast NeoplasmsCell Line, TumorCell SurvivalClass I Phosphatidylinositol 3-KinasesDrug Resistance, NeoplasmFemaleHumansLapatinibMammary Neoplasms, ExperimentalMice, KnockoutMolecular Targeted TherapyPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsProtein Kinase InhibitorsProto-Oncogene Proteins c-aktPTEN PhosphohydrolaseQuinazolinesReceptor, ErbB-2Signal TransductionThiazolesTumor BurdenXenograft Model Antitumor AssaysConceptsBreast tumorsP110β inhibitorsHuman epidermal growth factor receptor 2 (HER2) amplificationP110α inhibitionPTEN lossInhibition of HER2Treatment of HER2Human cancersPI3K pathway activationPTEN-deficient breast cancersGenetic mouse modelsPI3K/Akt signalingPTEN-deficient tumorsPI3K/AktDual HER2Therapeutic regimenHER2 inhibitionPIK3CA mutationsTumor regressionBreast cancerMouse modelXenograft modelHER2Null tumorsHER2 activation
2011
Phase I/II Study of Trastuzumab in Combination With Everolimus (RAD001) in Patients With HER2-Overexpressing Metastatic Breast Cancer Who Progressed on Trastuzumab-Based Therapy
Morrow PK, Wulf GM, Ensor J, Booser DJ, Moore JA, Flores PR, Xiong Y, Zhang S, Krop IE, Winer EP, Kindelberger DW, Coviello J, Sahin AA, Nuñez R, Hortobagyi GN, Yu D, Esteva FJ. Phase I/II Study of Trastuzumab in Combination With Everolimus (RAD001) in Patients With HER2-Overexpressing Metastatic Breast Cancer Who Progressed on Trastuzumab-Based Therapy. Journal Of Clinical Oncology 2011, 29: 3126-3132. PMID: 21730275, PMCID: PMC3157979, DOI: 10.1200/jco.2010.32.2321.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, MonoclonalAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsDisease-Free SurvivalEverolimusFemaleHumansImmunohistochemistryKaplan-Meier EstimateMiddle AgedNeoplasm MetastasisPTEN PhosphohydrolaseReceptor, ErbB-2Salvage TherapySirolimusTOR Serine-Threonine KinasesTrastuzumabConceptsHER2-overexpressing metastatic breast cancerMetastatic breast cancerProgression-free survivalCombination of everolimusTrastuzumab-based therapyPTEN lossBreast cancerPhase I/II studyMedian progression-free survivalDana-Farber Cancer InstituteTexas MD Anderson Cancer CenterMD Anderson Cancer CenterBeth Israel Deaconess Medical CenterClinical benefit ratePersistent stable diseaseAnderson Cancer CenterDownstream mammalian targetDaily everolimusNonhematologic toxicityStable diseaseII studyOverall survivalPartial responseHER2 overexpressingClinical benefit