502 Recommended phase 2 dose, pharmacokinetics, pharmacodynamics, and preliminary efficacy of the IL-15 superagonist SO-C101 as monotherapy in patients with advanced/metastatic solid tumors
Marabelle A, Champiat S, Galvao V, Naing A, Janku F, LoRusso P, Grell P, Sachse R, Bechard D, Kiemle-Kallee J, Garralda E. 502 Recommended phase 2 dose, pharmacokinetics, pharmacodynamics, and preliminary efficacy of the IL-15 superagonist SO-C101 as monotherapy in patients with advanced/metastatic solid tumors. 2021, a534-a534. DOI: 10.1136/jitc-2021-sitc2021.502.Peer-Reviewed Original ResearchPhase 2 doseDose-limiting toxicityAdverse eventsPartial responseStable diseaseTransaminase increaseSolid tumorsDrug-related adverse eventsIL-15 receptor αCutaneous squamous cell carcinomaLocal injection site reactionsPrevious systemic therapyResults Thirty patientsSignificant partial responseTreatment-related deathsCommon adverse eventsFlu-like syndromeRelated adverse eventsInjection site reactionsMetastatic solid tumorsAdditional clinical benefitDose-escalation designSquamous cell carcinomaDose-dependent increaseT cell activation