484 Preliminary efficacy of the IL-15 superagonist SO-C101 in combination with pembrolizumab in patients with advanced/metastatic solid tumors
Garralda E, Galvao V, Champiat S, LoRusso P, Grell P, Naing A, Janku F, Sachse R, Bechard D, Kiemle-Kallee J, Marabelle A, Garralda E. 484 Preliminary efficacy of the IL-15 superagonist SO-C101 in combination with pembrolizumab in patients with advanced/metastatic solid tumors. Journal For ImmunoTherapy Of Cancer 2021, 9: a514-a514. DOI: 10.1136/jitc-2021-sitc2021.484.Peer-Reviewed Original ResearchStudy drug-related adverse eventsDrug-related adverse eventsCytokine release syndromeDose-limiting toxicityAdverse eventsCommon study drug-related adverse eventsAnti-programmed cell death protein 1 antibodyGrade 3 cytokine release syndromeSolid tumorsCell death protein 1 antibodyAnti-PD-1 therapyLong-term stable diseaseLocal injection site reactionsSkin squamous cell carcinomaPhase 2 dosePrevious systemic therapyTreatment-related deathsInjection site reactionsMetastatic solid tumorsAdditional clinical benefitDose-escalation designProtective memory responsesProtein 1 antibodySquamous cell carcinomaAvailable safety data516 Peripheral and tumoral immune activity in the expansion part of the first-in-human DuoBody®-PD-L1×4–1BB (GEN1046) trial
Aix S, Calvo E, Moreno V, Garralda E, Cervantes A, Ramalingam S, Pérez J, LoRusso P, Furqan M, Cho D, Muik A, Lagkadinou E, Türeci Ö, Couto S, Pencheva N, Forssmann U, Şahin U, Ahmadi T, Higgs B, Jure-Kunkel M, Melero I. 516 Peripheral and tumoral immune activity in the expansion part of the first-in-human DuoBody®-PD-L1×4–1BB (GEN1046) trial. Journal For ImmunoTherapy Of Cancer 2021, 9: a546-a546. DOI: 10.1136/jitc-2021-sitc2021.516.Peer-Reviewed Original ResearchPrior anti-PD-1 therapyAnti-PD-1 therapyPD-L1NK cellsTumor reductionAnti-PD-1 combination therapyEffector memory T cellsPD-L1 blockadePhase 1/2a trialPrior systemic therapySoluble immune mediatorsTumor PD-L1Disease control rateAdvanced solid tumorsAntitumor immune responseSubset of patientsMemory T cellsSerial blood samplesImproved clinical efficacyTumor biopsy specimensCycle 1Tumor biopsy samplesEthics committees/institutional review boardsInstitutional review boardCycle 2