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.
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