2021
866 RBN-2397, a novel, potent, and selective PARP7 inhibitor, induces tumor-intrinsic type I interferon responses and adaptive immunity in preclinical models and patient tumors
Kuplast-Barr K, Kuplast-Barr K, Johnson M, Patel M, Yap T, Falchook G, LoRusso P, Abo R, Liu C, Manyak E, Cleary L, Bozon V, Parasuraman S, Keilhack H, McEachern K. 866 RBN-2397, a novel, potent, and selective PARP7 inhibitor, induces tumor-intrinsic type I interferon responses and adaptive immunity in preclinical models and patient tumors. Journal For ImmunoTherapy Of Cancer 2021, 9: a907-a907. DOI: 10.1136/jitc-2021-sitc2021.866.Peer-Reviewed Original ResearchPreclinical modelsPatient tumor biopsiesTumor biopsiesAdaptive immunityCancer cellsHuman phase 1 studyTumor-specific immune memoryCD8 T cell infiltrationTumor microenvironmentPhase I clinical studyType IAdvanced solid tumorsPhase 1 studyT cell infiltrationGranzyme B expressionDurable tumor regressionAdaptive immune responsesInterferon-stimulated gene expressionImmune stimulatory effectsType I interferon responseCytosolic nucleic acidsType I interferonActivated T cellsNon-tumor tissuesI interferon response
2020
PROCLAIM-CX-072: Analysis of patients with advanced solid tumors receiving long-term treatment with CX-072, a PD-L1 probody therapeutic, as a single agent or in combination with ipilimumab.
Thistlethwaite F, Naing A, Gil-Martin M, LoRusso P, Randhawa M, Eskens F, Sanborn R, Uboha N, Cho D, Spira A, Bondarenko I, Plummer E, Garcia-Corbacho J, Victoria I, Lavernia J, Melero I, De Vries E, Garner W, Arkenau H, Bendell J. PROCLAIM-CX-072: Analysis of patients with advanced solid tumors receiving long-term treatment with CX-072, a PD-L1 probody therapeutic, as a single agent or in combination with ipilimumab. Journal Of Clinical Oncology 2020, 38: 3005-3005. DOI: 10.1200/jco.2020.38.15_suppl.3005.Peer-Reviewed Original ResearchImmune-related AEImmune checkpoint inhibitorsCX-072Tumor microenvironmentDisease control rateLong-term therapyMo of treatmentDose-response effectMultiple tumor typesMonotherapy doseCheckpoint inhibitorsDose modificationDose escalationPD-L1Control rateTreatment durationTumor typesIPI 3Enhanced efficacyMonotherapyEfficacyQ2WQ3W.PatientsProbodyPhase I/II dose-escalation and expansion study of FLX475 alone and in combination with pembrolizumab in advanced cancer.
Powderly J, Chmielowski B, Brahmer J, Piha-Paul S, Bowyer S, LoRusso P, Catenacci D, Wu C, Barve M, Chisamore M, Nasrah N, Johnson D, Ho W. Phase I/II dose-escalation and expansion study of FLX475 alone and in combination with pembrolizumab in advanced cancer. Journal Of Clinical Oncology 2020, 38: tps3163-tps3163. DOI: 10.1200/jco.2020.38.15_suppl.tps3163.Peer-Reviewed Original ResearchCheckpoint inhibitorsExpansion cohortT cellsPhase 1 dose escalationAnti-tumor immune responseTumor microenvironmentPhase I/IIPreliminary anti-tumor activityCohort expansion phaseCohort expansion studyPhase 2 dosePredominant chemokine receptorPhase 1/2 studyDose-escalation phaseEffector T cellsRegulatory T cellsAnti-tumor responseTumor-associated macrophagesAnti-tumor efficacyAnti-tumor activityEligible subjectsDendritic cellsDose escalationPhase 1/2Advanced cancer