A phase 1a dose-escalation study of PY159, a monoclonal antibody targeting TREM1 (triggering receptor expressed on myeloid cells 1).
Winer I, Patnaik A, Barve M, Kummar S, Schenk E, LoRusso P, Yeku O, Fu S, Jahchan N, Myers M, Liang L, Deegan D, Jackson L, Li Y, Reyno L, Chamberlain M. A phase 1a dose-escalation study of PY159, a monoclonal antibody targeting TREM1 (triggering receptor expressed on myeloid cells 1). Journal Of Clinical Oncology 2023, 41: 2523-2523. DOI: 10.1200/jco.2023.41.16_suppl.2523.Peer-Reviewed Original ResearchSingle agentDose levelsNon-small cell lung cancerAdvanced refractory solid tumorsDose-escalation study designImmune-related adverse eventsTriple-negative breast cancerImmune checkpoint inhibitorsAcceptable safety profileDose-escalation studyRefractory solid tumorsCell lung cancerArchival tumor tissueEnrollment of subjectsImmune-related reactionsDose proportionalECOG PSRECIST 1.1Stable diseaseTREM1 expressionCheckpoint inhibitorsAdverse eventsPartial responseRadiographic responseGynecologic cancer