2023
Genomics of ERBB2-Positive Breast Cancer in Young Women Before and After Exposure to Chemotherapy Plus Trastuzumab
Lipsyc-Sharf M, Jain E, Collins L, Rosenberg S, Ruddy K, Tamimi R, Schapira L, Come S, Peppercorn J, Borges V, Warner E, Snow C, Krop I, Kim D, Weiss J, Zanudo J, Partridge A, Wagle N, Waks A. Genomics of ERBB2-Positive Breast Cancer in Young Women Before and After Exposure to Chemotherapy Plus Trastuzumab. JCO Precision Oncology 2023, 7: e2300076. PMID: 37364233, DOI: 10.1200/po.23.00076.Peer-Reviewed Original ResearchConceptsPositive breast cancerWhole-exome sequencingBreast cancerYoung womenWomen age 40 yearsErbB2-positive breast cancerErb-b2 receptor tyrosine kinase 2Half of patientsTime pointsLarge prospective cohortAge 40 yearsPost-treatment tumorsReceptor tyrosine kinase 2Post-treatment specimensPost-treatment samplesProspective cohortPositive tumorsTyrosine kinase 2Cancer-related genesPatientsTumor-normal pairsTherapeutic resistanceTumor tissueCNS changesHotspot mutations
2017
Phase I Dose-Escalation Study of Taselisib, an Oral PI3K Inhibitor, in Patients with Advanced Solid Tumors
Juric D, Krop I, Ramanathan RK, Wilson TR, Ware JA, Bohorquez S, Savage HM, Sampath D, Salphati L, Lin RS, Jin H, Parmar H, Hsu JY, Von Hoff DD, Baselga J. Phase I Dose-Escalation Study of Taselisib, an Oral PI3K Inhibitor, in Patients with Advanced Solid Tumors. Cancer Discovery 2017, 7: 704-715. PMID: 28331003, PMCID: PMC5501742, DOI: 10.1158/2159-8290.cd-16-1080.Peer-Reviewed Original ResearchConceptsDose-limiting toxicityAdverse eventsMutant tumorsHigh-grade adverse eventsTreatment-related adverse eventsConfirmed response rateMetastatic solid tumorsTumor xenograft modelPatient tumor samplesMeasurable diseasePharmacodynamic findingsPreclinical dataTumor patientsTumor growth inhibitorLow doseXenograft modelDose levelsResponse rateSolid tumorsPathway inhibitionPatientsPathway suppressionTumor samplesTumorsHotspot mutations
2016
Heterogeneity and clinical significance of ESR1 mutations in ER-positive metastatic breast cancer patients receiving fulvestrant
Spoerke JM, Gendreau S, Walter K, Qiu J, Wilson TR, Savage H, Aimi J, Derynck MK, Chen M, Chan IT, Amler LC, Hampton GM, Johnston S, Krop I, Schmid P, Lackner MR. Heterogeneity and clinical significance of ESR1 mutations in ER-positive metastatic breast cancer patients receiving fulvestrant. Nature Communications 2016, 7: 11579. PMID: 27174596, PMCID: PMC4869259, DOI: 10.1038/ncomms11579.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBreastBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesDisease-Free SurvivalDNA Mutational AnalysisDNA, NeoplasmDrug Resistance, NeoplasmEstradiolEstrogen Receptor alphaEstrogen Receptor AntagonistsEstrogensFemaleFulvestrantHumansIndazolesMiddle AgedMutationProtein Kinase InhibitorsSulfonamidesConceptsMetastatic breast cancer patientsESR1 mutationsBreast cancer patientsCancer patientsPan-PI3K inhibitorPIK3CA-mutated tumorsProgression-free survivalMetastatic breast cancerWild-type patientsClinical trial samplesMutation allele frequencyInhibitor therapyFulvestrant treatmentBreast cancerClinical significanceClinical resistancePatientsBaseline samplesHotspot mutationsK inhibitorsTherapyLongitudinal analysisTrial samplesESR1Distinct clones