2020
Bempegaldesleukin selectively depletes intratumoral Tregs and potentiates T cell-mediated cancer therapy
Sharma M, Khong H, Fa’ak F, Bentebibel SE, Janssen LME, Chesson BC, Creasy CA, Forget MA, Kahn LMS, Pazdrak B, Karki B, Hailemichael Y, Singh M, Vianden C, Vennam S, Bharadwaj U, Tweardy DJ, Haymaker C, Bernatchez C, Huang S, Rajapakshe K, Coarfa C, Hurwitz ME, Sznol M, Hwu P, Hoch U, Addepalli M, Charych DH, Zalevsky J, Diab A, Overwijk WW. Bempegaldesleukin selectively depletes intratumoral Tregs and potentiates T cell-mediated cancer therapy. Nature Communications 2020, 11: 661. PMID: 32005826, PMCID: PMC6994577, DOI: 10.1038/s41467-020-14471-1.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, Monoclonal, HumanizedCarcinoma, Renal CellCD8-Positive T-LymphocytesCohort StudiesDrug Therapy, CombinationFemaleHumansInterferon-gammaInterleukin-2IpilimumabLymphocyte ActivationMelanomaMiceMice, Inbred C57BLPolyethylene GlycolsProdrugsReceptors, Interleukin-2T-Lymphocytes, RegulatoryTumor Necrosis Factor-alphaConceptsNKTR-214Interleukin-2Treg depletionT cellsHigh-dose interleukin-2Suppressive regulatory T cellsSuperior anti-tumor activityAnti-tumor CD8Dose interleukin-2Peptide-based vaccinationRegulatory T cellsCheckpoint blockade therapyTreatment-associated toxicityIL-2 pathwayRenal cell carcinomaAnti-tumor activityAnti-cancer therapyMechanism of actionTreg dynamicsIntratumoral TregsBlockade therapyCytokines IFNCell carcinomaMetastatic melanomaTherapeutic impact
2019
A First-in-Human Study and Biomarker Analysis of NKTR-214, a Novel IL2Rβγ-Biased Cytokine, in Patients with Advanced or Metastatic Solid Tumors
Bentebibel SE, Hurwitz ME, Bernatchez C, Haymaker C, Hudgens CW, Kluger HM, Tetzlaff MT, Tagliaferri MA, Zalevsky J, Hoch U, Fanton C, Aung S, Hwu P, Curti BD, Tannir NM, Sznol M, Diab A. A First-in-Human Study and Biomarker Analysis of NKTR-214, a Novel IL2Rβγ-Biased Cytokine, in Patients with Advanced or Metastatic Solid Tumors. Cancer Discovery 2019, 9: 711-721. PMID: 30988166, DOI: 10.1158/2159-8290.cd-18-1495.Peer-Reviewed Original ResearchConceptsNKTR-214Tumor biopsiesDurable disease stabilizationImmuno-oncology agentsMulticenter phase IPathway-targeted agentsTreatment tumor biopsiesPhase II doseActivation of CD8Metastatic solid tumorsNatural killer cellsOutpatient regimenCheckpoint inhibitorsDisease stabilizationRegulatory cellsEffector phenotypeKiller cellsTreatment algorithmImmune activationTumor shrinkagePharmacodynamic markersImmune cellsClinical activityIL2 receptorHuman studies