2022
Clinical Efficacy and Whole-Exome Sequencing of Liquid Biopsies in a Phase IB/II Study of Bazedoxifene and Palbociclib in Advanced Hormone Receptor-Positive Breast Cancer.
Tsuji J, Li T, Grinshpun A, Coorens T, Russo D, Anderson L, Rees R, Nardone A, Patterson C, Lennon NJ, Cibulskis C, Leshchiner I, Tayob N, Tolaney SM, Tung N, McDonnell DP, Krop IE, Winer EP, Stewart C, Getz G, Jeselsohn R. Clinical Efficacy and Whole-Exome Sequencing of Liquid Biopsies in a Phase IB/II Study of Bazedoxifene and Palbociclib in Advanced Hormone Receptor-Positive Breast Cancer. Clinical Cancer Research 2022, 28: 5066-5078. PMID: 36215125, PMCID: PMC9722539, DOI: 10.1158/1078-0432.ccr-22-2305.Peer-Reviewed Original ResearchConceptsProgression-free survivalPhase Ib/II studyCombination of palbociclibBreast cancerWhole-exome sequencingESR1 mutationsII studyClinical efficacySafety profileHormone receptor-positive/HER2-negative advanced breast cancerAdvanced hormone receptor-positive breast cancerHER2-negative advanced breast cancerHormone receptor-positive breast cancerThird-generation selective estrogen receptor modulatorMedian progression-free survivalEndocrine-resistant breast cancerReceptor-positive breast cancerShorter progression-free survivalSelective estrogen receptor modulatorsClinical benefit rateAcceptable safety profileAdvanced breast cancerEstrogen receptor modulatorsSelective ER degraderDNA whole-exome sequencingLongitudinal circulating tumor DNA (ctDNA) whole-exome sequencing (WES) in the phase Ib/II trial of palbociclib and bazedoxifene reveals genomic dynamics and clonal evolution with the acquisition of treatment resistance in hormone receptor-positive, HER2-negative (HR+ HER2-), advanced breast cancer (ABC).
Grinshpun A, Tsuji J, Li T, Russo D, Anderson L, Rees R, Cibulskis C, Leshchiner I, Stewart C, Tung N, Krop I, Winer E, Tolaney S, Getz G, Jeselsohn R. Longitudinal circulating tumor DNA (ctDNA) whole-exome sequencing (WES) in the phase Ib/II trial of palbociclib and bazedoxifene reveals genomic dynamics and clonal evolution with the acquisition of treatment resistance in hormone receptor-positive, HER2-negative (HR+ HER2-), advanced breast cancer (ABC). Journal Of Clinical Oncology 2022, 40: 1058-1058. DOI: 10.1200/jco.2022.40.16_suppl.1058.Peer-Reviewed Original Research
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
2018
Unraveling the clinicopathological features driving the emergence of ESR1 mutations in metastatic breast cancer
Kuang Y, Siddiqui B, Hu J, Pun M, Cornwell M, Buchwalter G, Hughes ME, Wagle N, Kirschmeier P, Jänne PA, Paweletz CP, Lin NU, Krop IE, Barry WT, Winer EP, Brown M, Jeselsohn R. Unraveling the clinicopathological features driving the emergence of ESR1 mutations in metastatic breast cancer. Npj Breast Cancer 2018, 4: 22. PMID: 30083595, PMCID: PMC6072793, DOI: 10.1038/s41523-018-0075-5.Peer-Reviewed Original ResearchMetastatic breast cancerESR1 mutationsBreast cancerMetastatic settingClinicopathological featuresPIK3CA mutationsAromatase inhibitorsER-positive metastatic breast cancerDetailed clinical dataSpecific systemic treatmentMetastatic treatmentDistant recurrenceMetastatic diseaseSystemic treatmentPrimary diseaseEndocrine resistanceCDK4/6 inhibitorsPathological featuresFulvestrant treatmentClinical dataPrior treatmentSignificant associationPatientsCancerPrevalence
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