2017
Activity of the PI3K-δ,γ inhibitor duvelisib in a phase 1 trial and preclinical models of T-cell lymphoma
Horwitz SM, Koch R, Porcu P, Oki Y, Moskowitz A, Perez M, Myskowski P, Officer A, Jaffe JD, Morrow SN, Allen K, Douglas M, Stern H, Sweeney J, Kelly P, Kelly V, Aster JC, Weaver D, Foss FM, Weinstock DM. Activity of the PI3K-δ,γ inhibitor duvelisib in a phase 1 trial and preclinical models of T-cell lymphoma. Blood 2017, 131: 888-898. PMID: 29233821, PMCID: PMC5824337, DOI: 10.1182/blood-2017-08-802470.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralAdultAgedAged, 80 and overClass I Phosphatidylinositol 3-KinasesClass Ib Phosphatidylinositol 3-KinaseFemaleHumansIsoquinolinesLymphoma, T-Cell, CutaneousLymphoma, T-Cell, PeripheralMaleMaximum Tolerated DoseMiddle AgedPhosphoinositide-3 Kinase InhibitorsPrognosisPurinesSafetySkin NeoplasmsTissue DistributionConceptsT-cell lymphomaPhospho-AktImmunosuppressive M2-like phenotypeCutaneous T-cell lymphomaNonmalignant immune cellsOpen-label studySerum cytokine profilesAcceptable safety profileImmune-mediated effectsPhase 1 trialOverall response rateM1-like phenotypePatient-derived xenograftsTumor-associated macrophagesM2-like phenotypeInflammatory M1-like phenotypeT cell growthRefractory PTCLTransaminase increaseAdverse eventsClinical responseCytokine profileMaculopapular rashComplete responsePreclinical evidenceDuvelisib, a novel oral dual inhibitor of PI3K-δ,γ, is clinically active in advanced hematologic malignancies
Flinn IW, O'Brien S, Kahl B, Patel M, Oki Y, Foss FF, Porcu P, Jones J, Burger JA, Jain N, Kelly VM, Allen K, Douglas M, Sweeney J, Kelly P, Horwitz S. Duvelisib, a novel oral dual inhibitor of PI3K-δ,γ, is clinically active in advanced hematologic malignancies. Blood 2017, 131: 877-887. PMID: 29191916, PMCID: PMC6033052, DOI: 10.1182/blood-2017-05-786566.Peer-Reviewed Original ResearchConceptsT-cell lymphomaChronic lymphocytic leukemiaIndolent non-Hodgkin lymphomaOral dual inhibitorAdvanced hematologic malignanciesComplete responseTransaminase increaseHematologic malignanciesRefractory chronic lymphocytic leukemiaPeripheral T-cell lymphomaCutaneous T-cell lymphomaAlanine transaminase increaseHematologic malignancy treatmentDose-escalation phaseSevere adverse eventsPhase 1 studyDual inhibitorOverall response rateLate-stage clinical developmentNon-Hodgkin lymphomaCLL tumor cellsRange of dosesAdverse eventsClinical responseMedian time
2015
Utility of18fluoro-deoxyglucose positron emission tomography for prognosis and response assessments in a phase 2 study of romidepsin in patients with relapsed or refractory peripheral T-cell lymphoma
Horwitz S, Coiffier B, Foss F, Prince HM, Sokol L, Greenwood M, Caballero D, Morschhauser F, Pinter-Brown L, Iyer SP, Shustov A, Nichols J, Balser J, Balser B, Pro B. Utility of18fluoro-deoxyglucose positron emission tomography for prognosis and response assessments in a phase 2 study of romidepsin in patients with relapsed or refractory peripheral T-cell lymphoma. Annals Of Oncology 2015, 26: 774-779. PMID: 25605745, PMCID: PMC4374388, DOI: 10.1093/annonc/mdv010.Peer-Reviewed Original ResearchConceptsPeripheral T-cell lymphomaInternational Workshop CriteriaFDG-PET scansRefractory peripheral T-cell lymphomaBaseline FDG-PET scanCR/CRuT-cell lymphomaPositron emission tomographyConventional radiologyPET criteriaStable diseaseEnd pointFDG-PETConventional stagingPET statusResponse assessmentPivotal phase 2 trialEmission tomographyDeoxyglucose positron emission tomographyExploratory end pointsObjective response ratePET-positive diseasePrimary end pointProgression-free survivalPhase 2 study
2002
Interleukin-7 receptor expression and activation in nonhaematopoietic neoplastic cell lines
Cosenza L, Gorgun G, Urbano A, Foss F. Interleukin-7 receptor expression and activation in nonhaematopoietic neoplastic cell lines. Cellular Signalling 2002, 14: 317-325. PMID: 11858939, DOI: 10.1016/s0898-6568(01)00245-5.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsCell LineEpithelial CellsHematopoietic Stem CellsHumansImmunoblottingInterleukin Receptor Common gamma SubunitJanus Kinase 3Lung NeoplasmsNeoplasmsNuclease Protection AssaysProtein-Tyrosine KinasesProto-Oncogene ProteinsProto-Oncogene Proteins c-fynReceptors, Interleukin-7RNA, MessengerSignal TransductionTissue DistributionTranscription, GeneticTumor Cells, CulturedConceptsIL-7R mRNABrain tumor cell linesIL-7RIL-7RalphaCell linesTumor cell linesInterleukin-7 receptor expressionReceptor-directed therapyNational Cancer Institute tumor panelBreast cancer cell linesReceptor gamma chainLung cancer cellsInterleukin-2 receptor gamma chainHeterodimeric complex consistingS1 nuclease protection assaysCellular differentiation processesEpithelial tumor cellsCancer cell linesNuclease protection assaysS1 nuclease protectionLung cancerSerine residue phosphorylationReceptor expressionNeoplastic cell linesInterleukin-7