Safety and preliminary efficacy from the phase 1 portion of MasterKey-01: A First-in-human dose-escalation study to determine the recommended phase 2 dose (RP2D), pharmacokinetics (PK) and preliminary antitumor activity of BDTX-189, an inhibitor of allosteric ErbB mutations, in patients (pts) with advanced solid malignancies.
Schram A, Ahnert J, Patel M, Jauhari S, Sachdev J, Zhu V, LoRusso P, Nguyen D, Le X, O'Connor M, Waters N, Cook C, Witt K, Humphrey R, Janne P, Hamilton E. Safety and preliminary efficacy from the phase 1 portion of MasterKey-01: A First-in-human dose-escalation study to determine the recommended phase 2 dose (RP2D), pharmacokinetics (PK) and preliminary antitumor activity of BDTX-189, an inhibitor of allosteric ErbB mutations, in patients (pts) with advanced solid malignancies. Journal Of Clinical Oncology 2021, 39: 3086-3086. DOI: 10.1200/jco.2021.39.15_suppl.3086.Peer-Reviewed Original ResearchFE cohortHER2 amplificationSolid tumorsHuman dose-escalation studyDose-escalation cohortsManageable safety profilePhase 2 doseAdvanced solid malignanciesAdvanced solid tumorsDose-escalation studyMetastatic solid tumorsPreliminary antitumor activityPhase 1 portionAnti-tumor activityTumor growth inhibitionBID cohortQD scheduleEGFR/HER2Adverse eventsEscalation cohortsPartial responseProgressive diseaseStandard therapySafety profilePreliminary efficacy