2022
Multidimensional Molecular Profiling of Metastatic Triple-Negative Breast Cancer and Immune Checkpoint Inhibitor Benefit.
Barroso-Sousa R, Forman J, Collier K, Weber ZT, Jammihal TR, Kao KZ, Richardson ET, Keenan T, Cohen O, Manos MP, Brennick RC, Ott PA, Hodi FS, Dillon DA, Attaya V, O'Meara T, Lin NU, Van Allen EM, Rodig S, Winer EP, Mittendorf EA, Wu CJ, Wagle N, Stover DG, Shukla SA, Tolaney SM. Multidimensional Molecular Profiling of Metastatic Triple-Negative Breast Cancer and Immune Checkpoint Inhibitor Benefit. JCO Precision Oncology 2022, 6: e2100413. PMID: 35797509, PMCID: PMC9848556, DOI: 10.1200/po.21.00413.Peer-Reviewed Original ResearchConceptsGene expression pathwaysMetastatic triple-negative breast cancerExpression pathwaysWhole-exome sequencingFollicular helper T cellsDNA damage repair pathwaysTriple-negative breast cancerProgression-free survivalMemory T cellsDamage repair pathwaysHelper T cellsTumor mutational burdenT cellsClonal evolutionOverall survivalDNA whole-exome sequencingTranscriptomic landscapeHomologous recombinationRepair pathwaysRNA sequencingM1 macrophagesBreast cancerDefective repairMutational burdenDNA damageMutational Signature 3 Detected from Clinical Panel Sequencing is Associated with Responses to Olaparib in Breast and Ovarian Cancers
Batalini F, Gulhan DC, Mao V, Tran A, Polak M, Xiong N, Tayob N, Tung NM, Winer EP, Mayer EL, Knappskog S, Lønning PE, Matulonis UA, Konstantinopoulos PA, Solit DB, Won H, Eikesdal HP, Park PJ, Wulf GM. Mutational Signature 3 Detected from Clinical Panel Sequencing is Associated with Responses to Olaparib in Breast and Ovarian Cancers. Clinical Cancer Research 2022, 28: of1-of10. PMID: 36048535, PMCID: PMC9623231, DOI: 10.1158/1078-0432.ccr-22-0749.Peer-Reviewed Original ResearchConceptsHomologous recombination deficiencyTriple-negative breast cancerMutational signature 3Ovarian cancerImproved progression-free survivalPARP inhibitorsPanel sequencingHigh-grade serous ovarian cancerPI3K inhibitor buparlisibPhase Ib trialProgression-free survivalIdentification of patientsRoutine clinical careSignature 3Serous ovarian cancerPARP inhibitor olaparibSame patient sampleIb trialObjective responseTNBC patientsBreast cancerBRCA1/2 mutationsClinical careInstability scoreGenomic instability scoreCirculating Tumor DNA and Late Recurrence in High-Risk Hormone Receptor–Positive, Human Epidermal Growth Factor Receptor 2–Negative Breast Cancer
Lipsyc-Sharf M, de Bruin EC, Santos K, McEwen R, Stetson D, Patel A, Kirkner GJ, Hughes ME, Tolaney SM, Partridge AH, Krop IE, Knape C, Feger U, Marsico G, Howarth K, Winer EP, Lin NU, Parsons HA. Circulating Tumor DNA and Late Recurrence in High-Risk Hormone Receptor–Positive, Human Epidermal Growth Factor Receptor 2–Negative Breast Cancer. Journal Of Clinical Oncology 2022, 40: 2408-2419. PMID: 35658506, PMCID: PMC9467679, DOI: 10.1200/jco.22.00908.Peer-Reviewed Original ResearchConceptsMinimal residual diseaseWhole-exome sequencingClinical recurrenceMetastatic recurrenceBreast cancerEarly-stage hormone receptor-positive breast cancerHormone receptor-positive breast cancerTumor tissueHigh-risk stage IIReceptor-positive breast cancerTumor DNAHuman epidermal growth factor receptorDistant metastatic recurrenceHormone receptor positiveMRD-positive patientsPlasma samplesTime of consentPrimary tumor tissuesSufficient tumor tissueEpidermal growth factor receptorAdjuvant settingGrowth factor receptorLocal recurrenceClinical outcomesDistant metastasis
2021
Molecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer
Keenan TE, Guerriero JL, Barroso-Sousa R, Li T, O’Meara T, Giobbie-Hurder A, Tayob N, Hu J, Severgnini M, Agudo J, Vaz-Luis I, Anderson L, Attaya V, Park J, Conway J, He MX, Reardon B, Shannon E, Wulf G, Spring LM, Jeselsohn R, Krop I, Lin NU, Partridge A, Winer EP, Mittendorf EA, Liu D, Van Allen EM, Tolaney SM. Molecular correlates of response to eribulin and pembrolizumab in hormone receptor-positive metastatic breast cancer. Nature Communications 2021, 12: 5563. PMID: 34548479, PMCID: PMC8455578, DOI: 10.1038/s41467-021-25769-z.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntibodies, Monoclonal, HumanizedAntigen PresentationAntineoplastic Combined Chemotherapy ProtocolsB7-H1 AntigenBreast NeoplasmsCytokinesDrug Resistance, NeoplasmEstrogensFemaleFuransGene Expression ProfilingGenetic HeterogeneityGenome, HumanGenomicsHumansImmune Checkpoint InhibitorsKetonesLymphocytes, Tumor-InfiltratingMaleMiddle AgedMutationNeoplasm MetastasisReceptors, EstrogenReceptors, ProgesteroneSignal TransductionSurvival RateTreatment OutcomeConceptsImmune checkpoint inhibitorsBreast cancerHormone receptor-positive metastatic breast cancerHormone receptor-positive breast cancerFinal overall survival resultsRandomized phase 2 trialReceptor-positive breast cancerMinimal therapeutic effectPhase 2 trialMetastatic breast cancerOverall survival resultsPre-treatment tumorsCheckpoint inhibitorsCytokine changesICI responseCombination therapyImmune infiltrationImmunoregulatory cytokinesSurvival resultsAntigen presentationTherapeutic effectTherapeutic validationCancerMolecular correlatesTumor heterogeneityPhase II trial of veliparib and temozolomide in metastatic breast cancer patients with and without BRCA1/2 mutations
Xu J, Keenan TE, Overmoyer B, Tung NM, Gelman RS, Habin K, Garber JE, Ellisen LW, Winer EP, Goss PE, Yeap BY, Chabner BA, Isakoff SJ. Phase II trial of veliparib and temozolomide in metastatic breast cancer patients with and without BRCA1/2 mutations. Breast Cancer Research And Treatment 2021, 189: 641-651. PMID: 34417675, DOI: 10.1007/s10549-021-06292-7.Peer-Reviewed Original ResearchConceptsObjective response rateClinical benefit rateProgression-free survivalMedian progression-free survivalMetastatic breast cancer patientsPhase II trialMetastatic breast cancerBreast cancer patientsBRCA1/2 carriersBreast cancerExpansion cohortII trialPrimary endpointPrimary cohortCancer patientsBenefit rateBRCA1/2 mutationsDay 1Longer median progression-free survivalSingle-arm phase II trialCommon grade 3Doses of veliparibPlatinum-naïve patientsPrior platinum therapyBRCA mutation carriersGenomic features of rapid versus late relapse in triple negative breast cancer
Zhang Y, Asad S, Weber Z, Tallman D, Nock W, Wyse M, Bey JF, Dean KL, Adams EJ, Stockard S, Singh J, Winer EP, Lin NU, Jiang YZ, Ma D, Wang P, Shi L, Huang W, Shao ZM, Cherian M, Lustberg MB, Ramaswamy B, Sardesai S, VanDeusen J, Williams N, Wesolowski R, Obeng-Gyasi S, Sizemore GM, Sizemore ST, Verschraegen C, Stover DG. Genomic features of rapid versus late relapse in triple negative breast cancer. BMC Cancer 2021, 21: 568. PMID: 34006255, PMCID: PMC8130400, DOI: 10.1186/s12885-021-08320-7.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkers, TumorChemotherapy, AdjuvantDatasets as TopicDisease-Free SurvivalDNA Copy Number VariationsFemaleFollow-Up StudiesGene Expression ProfilingGene Expression Regulation, NeoplasticHumansLogistic ModelsMastectomyMiddle AgedModels, GeneticMutationNeoadjuvant TherapyNeoplasm Recurrence, LocalPrognosisRisk AssessmentTime FactorsTriple Negative Breast NeoplasmsConceptsLate relapseRapid relapseImmune signaturesBreast cancerAnti-tumor CD8 T cellsBackgroundTriple-negative breast cancerTriple-negative breast cancerCD8 T cellsTumor mutation burdenIndependent validation cohortNegative breast cancerFisher's exact testPearson's chi-squared testChi-squared testLogistic regression modelsLuminal signaturePrimary TNBCTNBC subsetImmune subsetsClinical featuresValidation cohortWhole-genome copy numberPrimary tumorM1 macrophagesT cellsThe impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer
Janiszewska M, Stein S, Filho O, Eng J, Kingston NL, Harper NW, Rye IH, Alečković M, Trinh A, Murphy KC, Marangoni E, Cristea S, Oakes B, Winer EP, Krop I, Russnes HG, Spellman PT, Bucher E, Hu Z, Chin K, Gray JW, Michor F, Polyak K. The impact of tumor epithelial and microenvironmental heterogeneity on treatment responses in HER2-positive breast cancer. JCI Insight 2021, 6: e147617. PMID: 33886505, PMCID: PMC8262355, DOI: 10.1172/jci.insight.147617.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, Monoclonal, HumanizedAntineoplastic Agents, ImmunologicalBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesDNA Copy Number VariationsDrug Resistance, NeoplasmEpithelial CellsFemaleFibroblastsHumansMacrophagesMiddle AgedMutationNeoplasm TransplantationReceptor, ErbB-2TrastuzumabTumor MicroenvironmentVesicular Transport ProteinsConceptsBreast cancerTherapeutic resistanceHuman epidermal growth factor receptor 2HER2-positive breast cancerEpidermal growth factor receptor 2Patient-derived xenograft modelsLymphatic vessel endothelial hyaluronan receptorHER2-targeted therapiesGrowth factor receptor 2Impact of tumorFibroblastic reticular cellsFactor receptor 2Tumor epithelial cellsIntratumor heterogeneityDivergent cellular phenotypesResistance-conferring mutationsClinical outcomesPIK3CA mutationsTreatment responseClinical challengeDifferent therapiesFrequency of cellsXenograft modelReceptor 2Stromal determinantsGenomic Characterization of de novo Metastatic Breast Cancer
Garrido-Castro AC, Spurr LF, Hughes ME, Li YY, Cherniack AD, Kumari P, Lloyd MR, Bychkovsky B, Barroso-Sousa R, Di Lascio S, Jain E, Files J, Mohammed-Abreu A, Krevalin M, MacKichan C, Barry WT, Guo H, Xia D, Cerami E, Rollins BJ, MacConaill LE, Lindeman NI, Krop IE, Johnson BE, Wagle N, Winer EP, Dillon DA, Lin NU. Genomic Characterization of de novo Metastatic Breast Cancer. Clinical Cancer Research 2021, 27: 1105-1118. PMID: 33293374, PMCID: PMC7887078, DOI: 10.1158/1078-0432.ccr-20-1720.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerPrimary tumorOverall survivalBreast cancerDe novo metastatic breast cancerNovo metastatic breast cancerDifferential therapeutic sensitivityBetter OSPoor OSShorter OSInitial diagnosisHigh TMBMetastatic tumorsDnMBCCurrent treatmentMutational burdenTreatment selectionMetastatic driversStage IMultiple comparison adjustmentTherapeutic sensitivityTumorsPatientsCancerIntrinsic resistance
2020
Acquired FGFR and FGF Alterations Confer Resistance to Estrogen Receptor (ER) Targeted Therapy in ER+ Metastatic Breast Cancer
Mao P, Cohen O, Kowalski KJ, Kusiel JG, Buendia-Buendia JE, Cuoco MS, Exman P, Wander SA, Waks AG, Nayar U, Chung J, Freeman S, Rozenblatt-Rosen O, Miller VA, Piccioni F, Root DE, Regev A, Winer EP, Lin NU, Wagle N. Acquired FGFR and FGF Alterations Confer Resistance to Estrogen Receptor (ER) Targeted Therapy in ER+ Metastatic Breast Cancer. Clinical Cancer Research 2020, 26: 5974-5989. PMID: 32723837, DOI: 10.1158/1078-0432.ccr-19-3958.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBreast NeoplasmsCell Line, TumorDrug Resistance, NeoplasmExome SequencingFemaleFibroblast Growth Factor 3FulvestrantGene Expression Regulation, NeoplasticHumansMCF-7 CellsMiddle AgedMutationNeoplasm MetastasisPiperazinesProtein Kinase InhibitorsPyridinesReceptor, Fibroblast Growth Factor, Type 1Receptor, Fibroblast Growth Factor, Type 2Receptors, EstrogenXenograft Model Antitumor AssaysConceptsMetastatic breast cancerEstrogen receptorBreast cancerFGFR pathwaySelective estrogen receptor degraderCDK4/6 inhibitor palbociclibBreast cancer cellsMAPK pathwayWhole-exome sequencingResistant cell linesMAPK pathway inhibitorsFulvestrant resistanceInhibitor palbociclibDrug combinationsFGFR inhibitorsTherapyPathway inhibitorMEK inhibitorsConfer resistanceCancer cellsCancerInsulin receptorGenes/pathwaysBiopsyCell linesTBCRC 048: Phase II Study of Olaparib for Metastatic Breast Cancer and Mutations in Homologous Recombination-Related Genes.
Tung NM, Robson ME, Ventz S, Santa-Maria CA, Nanda R, Marcom PK, Shah PD, Ballinger TJ, Yang ES, Vinayak S, Melisko M, Brufsky A, DeMeo M, Jenkins C, Domchek S, D'Andrea A, Lin NU, Hughes ME, Carey LA, Wagle N, Wulf GM, Krop IE, Wolff AC, Winer EP, Garber JE. TBCRC 048: Phase II Study of Olaparib for Metastatic Breast Cancer and Mutations in Homologous Recombination-Related Genes. Journal Of Clinical Oncology 2020, 38: 4274-4282. PMID: 33119476, DOI: 10.1200/jco.20.02151.Peer-Reviewed Original ResearchConceptsMetastatic breast cancerObjective response rateProgression-free survivalPoly (ADP-ribose) polymerase (PARP) inhibitorsPhase II studyBreast cancerMutation carriersII studyMedian progression-free survivalNegative metastatic breast cancerHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Clinical benefit rateHER2-negative diseasePlatinum-refractory diseaseGrowth factor receptor 2Population of patientsFactor receptor 2Homologous recombination-related genesConfirmed responsesEligible patientsMeasurable diseaseSecondary endpointsChemotherapy regimensPrimary endpointTBCRC 030: a phase II study of preoperative cisplatin versus paclitaxel in triple-negative breast cancer: evaluating the homologous recombination deficiency (HRD) biomarker
Mayer EL, Abramson V, Jankowitz R, Falkson C, Marcom PK, Traina T, Carey L, Rimawi M, Specht J, Miller K, Stearns V, Tung N, Perou C, Richardson AL, Componeschi K, Trippa L, Tan-Wasielewski Z, Timms K, Krop I, Wolff AC, Winer EP. TBCRC 030: a phase II study of preoperative cisplatin versus paclitaxel in triple-negative breast cancer: evaluating the homologous recombination deficiency (HRD) biomarker. Annals Of Oncology 2020, 31: 1518-1525. PMID: 32798689, PMCID: PMC8437015, DOI: 10.1016/j.annonc.2020.08.2064.Peer-Reviewed Original ResearchConceptsTriple-negative breast cancerHomologous recombination deficiencyPhase II studyPathologic responsePreoperative cisplatinII studyBreast cancerProspective phase II studyEffective predictive biomarkersInadequate clinical responsePreoperative chemotherapy regimenSingle-agent cisplatinHomologous recombination deficiency biomarkersGermline BRCA1/2Preoperative paclitaxelChemotherapy regimenClinical responseCisplatin chemotherapyPredictive biomarkersAlternative chemotherapyPreoperative trialInadequate responseHRD scoreStage IBaseline tissueTumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer
Barroso-Sousa R, Keenan TE, Pernas S, Exman P, Jain E, Garrido-Castro AC, Hughes M, Bychkovsky B, Umeton R, Files JL, Lindeman NI, MacConaill LE, Hodi FS, Krop IE, Dillon D, Winer EP, Wagle N, Lin NU, Mittendorf EA, Van Allen EM, Tolaney SM. Tumor Mutational Burden and PTEN Alterations as Molecular Correlates of Response to PD-1/L1 Blockade in Metastatic Triple-Negative Breast Cancer. Clinical Cancer Research 2020, 26: 2565-2572. PMID: 32019858, PMCID: PMC7269810, DOI: 10.1158/1078-0432.ccr-19-3507.Peer-Reviewed Original ResearchConceptsMetastatic triple-negative breast cancerHigh tumor mutational burdenProgression-free survivalTumor mutational burdenObjective response rateImmune checkpoint inhibitorsAnti-PD-1/L1 therapyTriple-negative breast cancerOverall survivalL1 therapyPD-L1Breast cancerMutational burdenLow objective response rateLonger progression-free survivalShorter progression-free survivalDana-Farber Cancer InstituteTumor genomic featuresShorter overall survivalMutations/megabaseCheckpoint inhibitorsVisceral metastasesL1 blockadePerformance statusPrior linesPrevalence and mutational determinants of high tumor mutation burden in breast cancer
Barroso-Sousa R, Jain E, Cohen O, Kim D, Buendia-Buendia J, Winer E, Lin N, Tolaney S, Wagle N. Prevalence and mutational determinants of high tumor mutation burden in breast cancer. Annals Of Oncology 2020, 31: 387-394. PMID: 32067680, DOI: 10.1016/j.annonc.2019.11.010.Peer-Reviewed Original ResearchConceptsHigh tumor mutation burdenTumor mutation burdenPD-1 inhibitorsBreast cancerMutation burdenMedian tumor mutation burdenDifferent mutational signaturesPembrolizumab-based therapyMetastatic breast cancerSubset of patientsMut/MbMismatch repair deficiencyGenomic profilesMutational patternsAPOBEC activityGene panel sequencingMultiple tumor typesWhole-exome sequencingDe-identified dataDurable responsesMetastatic tumorsPrimary tumorTumor subtypesPatientsTumor types
2019
Phase II trial of AKT inhibitor MK-2206 in patients with advanced breast cancer who have tumors with PIK3CA or AKT mutations, and/or PTEN loss/PTEN mutation
Xing Y, Lin NU, Maurer MA, Chen H, Mahvash A, Sahin A, Akcakanat A, Li Y, Abramson V, Litton J, Chavez-MacGregor M, Valero V, Piha-Paul SA, Hong D, Do KA, Tarco E, Riall D, Eterovic AK, Wulf GM, Cantley LC, Mills GB, Doyle LA, Winer E, Hortobagyi GN, Gonzalez-Angulo AM, Meric-Bernstam F. Phase II trial of AKT inhibitor MK-2206 in patients with advanced breast cancer who have tumors with PIK3CA or AKT mutations, and/or PTEN loss/PTEN mutation. Breast Cancer Research 2019, 21: 78. PMID: 31277699, PMCID: PMC6612080, DOI: 10.1186/s13058-019-1154-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBiomarkersBreast NeoplasmsClass I Phosphatidylinositol 3-KinasesDrug MonitoringFemaleHeterocyclic Compounds, 3-RingHigh-Throughput Nucleotide SequencingHumansImmunohistochemistryMiddle AgedMutationNeoplasm MetastasisNeoplasm StagingProtein Kinase InhibitorsProto-Oncogene Proteins c-aktTreatment OutcomeConceptsObjective response ratePeripheral blood mononuclear cellsPlatelet-rich plasmaAdvanced breast cancerPhase II trialPre-treatment biopsiesBreast cancerAKT inhibitor MKAKT1 mutationsPTEN lossII trialPIK3CA mutationsPIK3CA/AKT1 mutationsAdvanced breast cancer patientsInhibitor MKTriple-negative breast cancerMethodsThe primary endpointPIK3CA/AKT1Common adverse eventsPre-treated patientsProgression-free survivalResultsTwenty-seven patientsBreast cancer patientsBlood mononuclear cellsPTEN mutationsA Phase II Randomized Study of Neoadjuvant Letrozole Plus Alpelisib for Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Breast Cancer (NEO-ORB)
Mayer IA, Prat A, Egle D, Blau S, Fidalgo JAP, Gnant M, Fasching PA, Colleoni M, Wolff AC, Winer EP, Singer CF, Hurvitz S, Estévez LG, van Dam PA, Kümmel S, Mundhenke C, Holmes F, Babbar N, Charbonnier L, Diaz-Padilla I, Vogl FD, Sellami D, Arteaga CL. A Phase II Randomized Study of Neoadjuvant Letrozole Plus Alpelisib for Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Breast Cancer (NEO-ORB). Clinical Cancer Research 2019, 25: 2975-2987. PMID: 30723140, PMCID: PMC6522303, DOI: 10.1158/1078-0432.ccr-18-3160.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBiomarkers, TumorBreast NeoplasmsCell ProliferationClass I Phosphatidylinositol 3-KinasesFemaleHigh-Throughput Nucleotide SequencingHumansLetrozoleMiddle AgedMutationNeoadjuvant TherapyReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneSignal TransductionThiazolesTreatment OutcomeConceptsObjective response rateMetastatic breast cancerBreast cancerResponse rateLetrozole treatmentPathologic complete response ratePhase II Randomized StudyHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Human epidermal growth factor receptorComplete response rateHormone receptor positiveMaculo-papular rashProgression-free survivalGrowth factor receptor 2Early breast cancerPhase I studiesWild-type cohortsFactor receptor 2Epidermal growth factor receptorCombination of alpelisibGrowth factor receptorNeoadjuvant letrozoleNeoadjuvant settingPrimary endpointOlaparib and α-specific PI3K inhibitor alpelisib for patients with epithelial ovarian cancer: a dose-escalation and dose-expansion phase 1b trial
Konstantinopoulos PA, Barry WT, Birrer M, Westin SN, Cadoo KA, Shapiro GI, Mayer EL, O'Cearbhaill RE, Coleman RL, Kochupurakkal B, Whalen C, Curtis J, Farooq S, Luo W, Eismann J, Buss MK, Aghajanian C, Mills GB, Palakurthi S, Kirschmeier P, Liu J, Cantley LC, Kaufmann SH, Swisher EM, D'Andrea AD, Winer E, Wulf GM, Matulonis UA. Olaparib and α-specific PI3K inhibitor alpelisib for patients with epithelial ovarian cancer: a dose-escalation and dose-expansion phase 1b trial. The Lancet Oncology 2019, 20: 570-580. PMID: 30880072, PMCID: PMC7025391, DOI: 10.1016/s1470-2045(18)30905-7.Peer-Reviewed Original ResearchMeSH KeywordsAgedAntineoplastic Combined Chemotherapy ProtocolsCarcinoma, Ovarian EpithelialDose-Response Relationship, DrugDrug-Related Side Effects and Adverse ReactionsFemaleGenome, HumanHumansMaximum Tolerated DoseMiddle AgedMutationOvarian NeoplasmsPhosphoinositide-3 Kinase InhibitorsPhthalazinesPiperazinesPoly(ADP-ribose) Polymerase InhibitorsThiazolesTreatment OutcomeConceptsEpithelial ovarian cancerPhase 2 dosePI3K inhibitor alpelisibPrimary peritoneal cancerPhase 1b trialRecurrent breast cancerGermline BRCA mutationsOvarian cancerBreast cancerDose levelsPeritoneal cancerBRCA mutationsFallopian tubeCommon treatment-related grade 3High-grade serous histologyTreatment-related grade 3Breast Cancer Research FoundationDecreased neutrophil countDose-escalation cohortsDose-expansion cohortsTreatment-related deathsTriple negative histologyResponse Evaluation CriteriaSolid Tumors 1.1Key eligibility criteria
2018
Acquired HER2 mutations in ER+ metastatic breast cancer confer resistance to estrogen receptor–directed therapies
Nayar U, Cohen O, Kapstad C, Cuoco MS, Waks AG, Wander SA, Painter C, Freeman S, Persky NS, Marini L, Helvie K, Oliver N, Rozenblatt-Rosen O, Ma CX, Regev A, Winer EP, Lin NU, Wagle N. Acquired HER2 mutations in ER+ metastatic breast cancer confer resistance to estrogen receptor–directed therapies. Nature Genetics 2018, 51: 207-216. PMID: 30531871, DOI: 10.1038/s41588-018-0287-5.Peer-Reviewed Original ResearchConceptsHER2 mutationsEstrogen receptorBreast cancerClinical resistance mechanismsMainstay of treatmentMetastatic breast cancerReceptor-directed therapyCDK6 inhibitor palbociclibPre-existing mutationsMetastatic settingEstrogen independenceInhibitor palbociclibPrimary tumorMetastatic biopsiesInhibitor neratinibTherapyPatientsER mutationsCancerTamoxifenResistance mechanismsDistinct mechanismsMutationsConfer resistanceBiopsyIntegrated Analysis of RNA and DNA from the Phase III Trial CALGB 40601 Identifies Predictors of Response to Trastuzumab-Based Neoadjuvant Chemotherapy in HER2-Positive Breast Cancer
Tanioka M, Fan C, Parker JS, Hoadley KA, Hu Z, Li Y, Hyslop TM, Pitcher BN, Soloway MG, Spears PA, Henry LN, Tolaney S, Dang CT, Krop IE, Harris LN, Berry DA, Mardis ER, Winer EP, Hudis CA, Carey LA, Perou CM. Integrated Analysis of RNA and DNA from the Phase III Trial CALGB 40601 Identifies Predictors of Response to Trastuzumab-Based Neoadjuvant Chemotherapy in HER2-Positive Breast Cancer. Clinical Cancer Research 2018, 24: 5292-5304. PMID: 30037817, PMCID: PMC6214737, DOI: 10.1158/1078-0432.ccr-17-3431.Peer-Reviewed Original ResearchAllele-Specific Chromatin Recruitment and Therapeutic Vulnerabilities of ESR1 Activating Mutations
Jeselsohn R, Bergholz JS, Pun M, Cornwell M, Liu W, Nardone A, Xiao T, Li W, Qiu X, Buchwalter G, Feiglin A, Abell-Hart K, Fei T, Rao P, Long H, Kwiatkowski N, Zhang T, Gray N, Melchers D, Houtman R, Liu XS, Cohen O, Wagle N, Winer EP, Zhao J, Brown M. Allele-Specific Chromatin Recruitment and Therapeutic Vulnerabilities of ESR1 Activating Mutations. Cancer Cell 2018, 33: 173-186.e5. PMID: 29438694, PMCID: PMC5813700, DOI: 10.1016/j.ccell.2018.01.004.Peer-Reviewed Original ResearchConceptsChromatin recruitmentLigand-independent functionsER mutationsPro-metastatic phenotypeGenetic screenTranscriptional networksTranscriptional programsWild-type ERTherapeutic vulnerabilitiesPotential therapeutic targetMutationsMutantsDomain mutationsLigand-binding domain mutationsActivating mutationsTherapeutic targetTherapy resistanceUnique recruitmentRecruitmentGenetic vulnerabilityCancer modelGenesBreast cancer modelERPhenotype
2017
Neratinib Efficacy and Circulating Tumor DNA Detection of HER2 Mutations in HER2 Nonamplified Metastatic Breast Cancer
X. C, Bose R, Gao F, Freedman RA, Telli ML, Kimmick G, Winer E, Naughton M, Goetz MP, Russell C, Tripathy D, Cobleigh M, Forero A, Pluard TJ, Anders C, Niravath PA, Thomas S, Anderson J, Bumb C, Banks KC, Lanman RB, Bryce R, Lalani AS, Pfeifer J, Hayes DF, Pegram M, Blackwell K, Bedard PL, Al-Kateb H, Ellis MJC. Neratinib Efficacy and Circulating Tumor DNA Detection of HER2 Mutations in HER2 Nonamplified Metastatic Breast Cancer. Clinical Cancer Research 2017, 23: 5687-5695. PMID: 28679771, PMCID: PMC6746403, DOI: 10.1158/1078-0432.ccr-17-0900.Peer-Reviewed Original ResearchConceptsClinical benefit rateProgression-free survivalMetastatic breast cancerStable diseaseCtDNA sequencingMedian progression-free survivalSingle-arm phase II trialCommon adverse eventsPhase II trialClinical trial participationPromising preclinical dataClin Cancer ResTumor-positive casesVariant allele frequencyProphylactic loperamideSecondary endpointsII trialPartial responseAdverse eventsTrial participationPreclinical dataBenefit rateBreast cancerWeek 4Estrogen receptor