Safety and Antitumor Activity of a Novel aCD25 Treg Depleter RG6292 as a Single Agent and in Combination with Atezolizumab in Patients with Solid Tumors
Gambardella V, Ong M, Rodriguez-Ruiz M, Machiels J, Sanmamed M, Galvao V, Spreafico A, Renouf D, Luen S, Galot R, de Spéville B, Calvo E, Naing A, Curdt S, Kolben T, Rossmann E, Tanos T, Smart K, Amann M, Xie Y, Xu L, Alcaide E, Städler N, Justies N, Boetsch C, Karanikas V, Schnetzler G, Rohrberg K. Safety and Antitumor Activity of a Novel aCD25 Treg Depleter RG6292 as a Single Agent and in Combination with Atezolizumab in Patients with Solid Tumors. Cancer Research Communications 2025, 5: 422-432. PMID: 39983024, PMCID: PMC11891644, DOI: 10.1158/2767-9764.crc-24-0638.Peer-Reviewed Original ResearchConceptsRecommended phase II dosePhase II doseMaximum tolerated dosePhase I studyTreg depletionSolid tumorsII doseTolerated doseResistance to cancer immunotherapyRegulatory T-cell depletionImmunosuppressive regulatory T cellsEffector T cell functionAdvanced solid tumorsT-cell depletionRegulatory T cellsAnti-CD25 antibodyFrequent adverse eventsT cell functionDose-dependent depletionIL-2 signalingAtezolizumab combinationDeplete TregsTreg reductionDose escalationPeripheral Tregs
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