Masterkey-01: Phase I/II, open-label multicenter study to assess safety, tolerability, pharmacokinetics, and antitumor activity of BDTX-189, an inhibitor of allosteric ErbB mutations, in patients with advanced solid malignancies.
Hamilton E, Patel M, Rodon J, Hong D, Schram A, Janne P, LoRusso P, Sachdev J, Ou S, Buck E, O'Connor M, Waters N, Witt K, Cook C. Masterkey-01: Phase I/II, open-label multicenter study to assess safety, tolerability, pharmacokinetics, and antitumor activity of BDTX-189, an inhibitor of allosteric ErbB mutations, in patients with advanced solid malignancies. Journal Of Clinical Oncology 2020, 38: tps3665-tps3665. DOI: 10.1200/jco.2020.38.15_suppl.tps3665.Peer-Reviewed Original ResearchAntitumor activityStandard therapyPreliminary efficacyERBB mutationsOpen-label multicenter studySignificant unmet need existsPhase I/IIHER2 tyrosine kinase inhibitorPhase 2 doseAdvanced solid malignanciesAdequate drug exposureMetastatic solid tumorsPreliminary antitumor activityExon 20 insertionsOncogenic driver mutationsTyrosine kinase inhibitorsUnmet need existsAssessment of safetyCurrent eGFRExpansion cohortMulticenter studyPharmacodynamic effectsSolid malignanciesDrug exposureCohort 1