2019
PIK3CA and MAP3K1 alterations imply luminal A status and are associated with clinical benefit from pan-PI3K inhibitor buparlisib and letrozole in ER+ metastatic breast cancer
Nixon MJ, Formisano L, Mayer IA, Estrada MV, González-Ericsson PI, Isakoff SJ, Forero-Torres A, Won H, Sanders ME, Solit DB, Berger MF, Cantley LC, Winer EP, Arteaga CL, Balko JM. PIK3CA and MAP3K1 alterations imply luminal A status and are associated with clinical benefit from pan-PI3K inhibitor buparlisib and letrozole in ER+ metastatic breast cancer. Npj Breast Cancer 2019, 5: 31. PMID: 31552290, PMCID: PMC6757060, DOI: 10.1038/s41523-019-0126-6.Peer-Reviewed Original ResearchMetastatic breast cancerClinical benefitBreast cancerPan-PI3K inhibitor buparlisibHuman epidermal growth factor 2Epidermal growth factor 2K inhibitorsPan-PI3K inhibitorPhase Ib studySubset of patientsPI3KBreast cancer cell linesPI3K inhibitorsPAM50 analysisCancer cell linesEndocrine therapyGrowth factor 2Only biomarkerPIK3CA mutationsClinical trialsMetastatic tissuesTherapeutic combinationsIb studyPatientsBuparlisib
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
2013
Tumor pharmacokinetics (PK) and pharmacodynamics (PD) of SAR245409 (XL765) and SAR245408 (XL147) administered as single agents to patients with recurrent glioblastoma (GBM): An Ivy Foundation early-phase clinical trials consortium study.
Cloughesy T, Mischel P, Omuro A, Prados M, Wen P, Wu B, Rockich K, Xu Y, Lager J, Mellinghoff I. Tumor pharmacokinetics (PK) and pharmacodynamics (PD) of SAR245409 (XL765) and SAR245408 (XL147) administered as single agents to patients with recurrent glioblastoma (GBM): An Ivy Foundation early-phase clinical trials consortium study. Journal Of Clinical Oncology 2013, 31: 2012-2012. DOI: 10.1200/jco.2013.31.15_suppl.2012.Peer-Reviewed Original ResearchPan-PI3K inhibitorCohort 1Cohort 2Frozen tumor tissueTumor tissueTumor samplesK inhibitorsArchived tumor samplesPK/PD analysisPI3K/mTOR pathwayPD analysisTreatment of glioblastomaInhibition of proliferationPI3K inhibitorsPharmacodynamic impactEarly surgeryLast doseSurgical resectionCNS tumorsMean tumorRecurrent glioblastomaTumor resectionFFPE tumor samplesPK analysisCohort 3
2011
P1-17-02: A Phase 1/2 Study of SAR245408 (S08) in Combination with Trastuzumab (T) or Paclitaxel (P) and T in Patients with HER2+ Metastatic Breast Cancer (MBC) Who Progressed on a Previous T-Based Regimen.
Tolaney S, Burris H, Gartner E, Mayer I, Saura C, Maurer M, DeCillis A, Ruiz-Soto R, Lager J, Winer E, Krop I. P1-17-02: A Phase 1/2 Study of SAR245408 (S08) in Combination with Trastuzumab (T) or Paclitaxel (P) and T in Patients with HER2+ Metastatic Breast Cancer (MBC) Who Progressed on a Previous T-Based Regimen. Cancer Research 2011, 71: p1-17-02-p1-17-02. DOI: 10.1158/0008-5472.sabcs11-p1-17-02.Peer-Reviewed Original ResearchPhase 1/2 studyMetastatic breast cancerOverall response rateArm 1Arm 2Epigastric painMulticenter phase 1/2 studyPan-PI3K inhibitorECOG PS 0Preliminary PK dataDose-escalation designAge 55 yrPhase 2 portionDifferent dose levelsPhase 1PI3K pathwayDisease refractoryFemale ptsMost HER2Recurrent HER2MBC patientsMetastatic diseaseAdverse eventsPeripheral neuropathyPS 0A phase I dose-escalation study to evaluate GDC-0941, a pan-PI3K inhibitor, administered QD or BID in patients with advanced or metastatic solid tumors.
Von Hoff D, LoRusso P, Demetri G, Weiss G, Shapiro G, Ramanathan R, Ware J, Raja R, Jin J, Levy G, Mazina K, Wagner A. A phase I dose-escalation study to evaluate GDC-0941, a pan-PI3K inhibitor, administered QD or BID in patients with advanced or metastatic solid tumors. Journal Of Clinical Oncology 2011, 29: 3052-3052. DOI: 10.1200/jco.2011.29.15_suppl.3052.Peer-Reviewed Original Research
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