2024
A phase 1 dose expansion study of a first-in-class KAT6 inhibitor (PF-07248144) in patients with advanced or metastatic ER+ HER2− breast cancer.
Mukohara T, Park Y, Sommerhalder D, Yonemori K, Kim S, Kim J, Iwata H, Yamashita T, Layman R, Kim G, Im S, Lindeman G, Rugo H, Liyanage M, Homji Mishra N, Maity A, Bogg O, Liu L, Li M, LoRusso P. A phase 1 dose expansion study of a first-in-class KAT6 inhibitor (PF-07248144) in patients with advanced or metastatic ER+ HER2− breast cancer. Journal Of Clinical Oncology 2024, 42: 3006-3006. DOI: 10.1200/jco.2024.42.16_suppl.3006.Peer-Reviewed Original ResearchHER2- metastatic breast cancerTreatment-related adverse eventsMetastatic breast cancerCirculating tumor DNABreast cancerGene mutationsFrequent treatment-related adverse eventsMedian duration of follow-upAntitumor activityDuration of follow-upClinical benefit rateProgression-free survivalHER2 breast cancerMutant allele frequencyExpansion doseFulvestrant combinationMedian DoRESR1 mutationsMetastatic settingDose modificationEndocrine therapySystemic therapyMedian durationTumor DNACDK4/6 inhibitors184MO First-in-human phase I/IIa study of the first-in-class, next-generation CDK4-selective inhibitor PF-07220060 in combination with endocrine therapy (ET) in patients (pts) with HR+/HER2− metastatic breast cancer (mBC) who progressed on prior CDK4/6 inhibitors (CDK4/6i): Safety and efficacy update
Yap T, Sharma M, Hamilton E, Lorusso P, Basu C, Delioukina M, Liu F, Neumann H, Park J, Giordano A. 184MO First-in-human phase I/IIa study of the first-in-class, next-generation CDK4-selective inhibitor PF-07220060 in combination with endocrine therapy (ET) in patients (pts) with HR+/HER2− metastatic breast cancer (mBC) who progressed on prior CDK4/6 inhibitors (CDK4/6i): Safety and efficacy update. ESMO Open 2024, 9: 103206. DOI: 10.1016/j.esmoop.2024.103206.Peer-Reviewed Original Research
2023
First-in-human phase 1 dose escalation study of the KAT6 inhibitor PF-07248144 in patients with advanced solid tumors.
Sommerhalder D, Hamilton E, Mukohara T, Yonemori K, Mita M, Yamashita T, Zheng J, Liu L, Maity A, Homji Mishra N, Bogg O, Li M, LoRusso P. First-in-human phase 1 dose escalation study of the KAT6 inhibitor PF-07248144 in patients with advanced solid tumors. Journal Of Clinical Oncology 2023, 41: 1054-1054. DOI: 10.1200/jco.2023.41.16_suppl.1054.Peer-Reviewed Original ResearchWhite blood cellsEndocrine therapyPartial responsePart 1BPhase 1 dose-escalation studyHuman phase 1 studyPreclinical anti-tumor activityDurable partial responseTreatment-related AEsAdvanced solid tumorsDose-escalation studySystemic anticancer therapyPhase 1 studyAnti-tumor activityPart 1AEscalation studyMedian agePrior linesStandard therapyDose escalationCDK4/6 inhibitorsDisease progressionBreast cancerTumor biopsiesG1-2First-in-human first-in-class phase 1/2a study of the next generation CDK4-selective inhibitor PF-07220060 in patients (pts) with advanced solid tumors, enriched for HR+ HER2- mBC who progressed on prior CDK4/6 inhibitors and endocrine therapy.
Yap T, Giordano A, Hamilton E, LoRusso P, Bowers M, Basu C, Billotte S, Delioukina M, Liu F, Yang J, Sharma M. First-in-human first-in-class phase 1/2a study of the next generation CDK4-selective inhibitor PF-07220060 in patients (pts) with advanced solid tumors, enriched for HR+ HER2- mBC who progressed on prior CDK4/6 inhibitors and endocrine therapy. Journal Of Clinical Oncology 2023, 41: 3009-3009. DOI: 10.1200/jco.2023.41.16_suppl.3009.Peer-Reviewed Original ResearchTreatment-emergent adverse eventsHR+/HER2- MBCEndocrine therapySolid tumorsCDK4/6 inhibitorsMedian progression-free survivalClinical benefit responseMedian prior linesDose-limiting toxicityProgression-free survivalAdvanced/metastatic breast cancerPhase 1/2a studyLines of treatmentFirst-in-humanDose-dependent increaseAnti-tumor activityDose expansionHER2-MBCSecondary/exploratory objectivesDose escalationData cutoffECOG PSSystemic therapyMedian ageMulticenter trial
2021
A phase Ib study of xentuzumab plus abemaciclib and fulvestrant in patients (pts) with advanced hormone receptor-positive (HR+), HER2-negative breast cancer (BC) with visceral or non-visceral disease.
Yee D, LoRusso P, Sablin M, Prat A, Stradella A, Utriainen M, Oliveira M, Yonemori K, Naito Y, Hardebeck M, Puig M, Hu J, Biyukov T, Iwata H. A phase Ib study of xentuzumab plus abemaciclib and fulvestrant in patients (pts) with advanced hormone receptor-positive (HR+), HER2-negative breast cancer (BC) with visceral or non-visceral disease. Journal Of Clinical Oncology 2021, 39: 1057-1057. DOI: 10.1200/jco.2021.39.15_suppl.1057.Peer-Reviewed Original ResearchDisease control rateNon-visceral diseaseEndocrine therapyBreast cancerVisceral metastasesProgression-free survival benefitHER2-negative breast cancerDisease controlDose-finding cohortMost common AEsMedian treatment durationOpen-label studyPhase Ib studyPhase II doseNon-measurable diseaseHypo/hyperglycemiaCyclin-dependent kinase 4Advanced hormoneCommon AEsPFS ratesExpansion cohortPostmenopausal womenPrimary endpointSecondary endpointsMedian duration
2017
A Phase I/Ib Study of Enzalutamide Alone and in Combination with Endocrine Therapies in Women with Advanced Breast Cancer
Schwartzberg LS, Yardley D, Elias A, Patel M, LoRusso P, Burris HA, Gucalp A, Peterson A, Blaney M, Steinberg J, Gibbons J, Traina TA. A Phase I/Ib Study of Enzalutamide Alone and in Combination with Endocrine Therapies in Women with Advanced Breast Cancer. Clinical Cancer Research 2017, 23: 4046-4054. PMID: 28280092, DOI: 10.1158/1078-0432.ccr-16-2339.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnastrozoleAntineoplastic Agents, HormonalAntineoplastic Combined Chemotherapy ProtocolsAromatase InhibitorsBenzamidesBreast NeoplasmsCytochrome P-450 CYP3ADose-Response Relationship, DrugDrug-Related Side Effects and Adverse ReactionsFemaleHumansMiddle AgedNeoplasm StagingNitrilesPhenylthiohydantoinPostmenopauseReceptors, EstrogenReceptors, ProgesteroneTriazolesConceptsEndocrine therapyEnzalutamide monotherapyBreast cancerEstrogen receptor-positive/progesterone receptor-positive breast cancerProgesterone receptor-positive breast cancerCytochrome P450 3A4 inducerRandomized phase II studyReceptor-positive breast cancerDose-expansion cohortsEffect of enzalutamidePhase II studyAdvanced breast cancerAndrogen receptor signalingBreast cancer modelClin Cancer ResDose modificationII studyPharmacokinetic interactionsPreclinical dataProstate cancerIb studyAdditional cohortMonotherapyCancer modelExemestane