2021
Tumor-selective, antigen-independent delivery of a pH sensitive peptide-topoisomerase inhibitor conjugate suppresses tumor growth without systemic toxicity
Gayle S, Aiello R, Leelatian N, Beckta JM, Bechtold J, Bourassa P, Csengery J, Maguire RJ, Marshall D, Sundaram RK, Van Doorn J, Jones K, Moore H, Lopresti-Morrow L, Paradis T, Tylaska L, Zhang Q, Visca H, Reshetnyak YK, Andreev OA, Engelman DM, Glazer PM, Bindra RS, Paralkar VM. Tumor-selective, antigen-independent delivery of a pH sensitive peptide-topoisomerase inhibitor conjugate suppresses tumor growth without systemic toxicity. NAR Cancer 2021, 3: zcab021. PMID: 34316708, PMCID: PMC8210154, DOI: 10.1093/narcan/zcab021.Peer-Reviewed Original ResearchAntigen-independent mannerTherapeutic indexTumor growthSystemic toxicityHigh unmet needFavorable therapeutic indexHuman tumor modelsTopoisomerase inhibitorsSevere systemic toxicityHigh therapeutic indexRibose polymerase inhibitorsHuman solid tumorsSuppress tumor growthTumor cell killingAntibody-drug conjugatesSynergistic tumor cell killingUniversal tumorSpecific antigenSolid tumorsUnmet needPARP inhibitorsTumor modelCytotoxic payloadDNA repair inhibitorsPolymerase inhibitorsClinical Efficacy of Olaparib in IDH1/IDH2-Mutant Mesenchymal Sarcomas
Eder JP, Doroshow DB, T. K, Keedy VL, Sklar JS, Glazer P, Bindra R, Shapiro GI. Clinical Efficacy of Olaparib in IDH1/IDH2-Mutant Mesenchymal Sarcomas. JCO Precision Oncology 2021, 5: 466-472. PMID: 34994649, PMCID: PMC9848565, DOI: 10.1200/po.20.00247.Peer-Reviewed Original ResearchConceptsPulmonary epithelioid hemangioendotheliomaStable diseaseEpithelioid hemangioendotheliomaClinical benefitClinical benefit rateOpen-label studyPrimary end pointPoly (ADP-ribose) polymerase inhibitionDefective homologous recombination (HR) repairMesenchymal sarcomaObjective responsePartial responseClinical efficacyPatient populationBenefit rateCombination trialsPatientsSolid tumorsIDH1/2-mutant tumorsIDH1/2 mutationsPARP inhibitorsEnd pointPARP inhibitionTumorsOlaparib
2019
Cediranib suppresses homology-directed DNA repair through down-regulation of BRCA1/2 and RAD51
Kaplan AR, Gueble SE, Liu Y, Oeck S, Kim H, Yun Z, Glazer PM. Cediranib suppresses homology-directed DNA repair through down-regulation of BRCA1/2 and RAD51. Science Translational Medicine 2019, 11 PMID: 31092693, PMCID: PMC6626544, DOI: 10.1126/scitranslmed.aav4508.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBRCA1 ProteinBRCA2 ProteinCell Line, TumorDNA RepairDown-RegulationE2F4 Transcription FactorFemaleGene Expression Regulation, NeoplasticHumansMice, NudePoly(ADP-ribose) Polymerase InhibitorsQuinazolinesRad51 RecombinaseReceptors, Platelet-Derived Growth FactorTumor HypoxiaVascular Endothelial Growth Factor Receptor-2Xenograft Model Antitumor AssaysConceptsHomology-directed DNA repairDNA repairE2F transcription factor 4Protein phosphatase 2ATranscription factor 4DNA repair inhibitorsPhosphatase 2ARAD51 recombinaseTranscriptional corepressorMouse tumor xenograftsSynthetic lethalityGene expressionRB2/Mouse bone marrowGrowth factor receptor inhibitionRepair inhibitorsUnknown mechanismPlatelet-derived growth factor receptor inhibitionFactor 4Human tumorsInhibitor olaparibPARP inhibitorsMutationsCombination of cediranibCancer therapy
2017
Induction of a BRCAness state by oncometabolites and exploitation by PARP inhibitors.
Bindra R, Sulkowski P, Corso C, Glazer P, Shuch B. Induction of a BRCAness state by oncometabolites and exploitation by PARP inhibitors. Journal Of Clinical Oncology 2017, 35: 11586-11586. DOI: 10.1200/jco.2017.35.15_suppl.11586.Peer-Reviewed Original ResearchAcute myeloid leukemiaMulti-center phase II trialIDH1/2 mutationsPARP inhibitorsMutant IDH1/2 inhibitorsPhase II trialEfficacy of olaparibPoly (ADP-ribose) polymerase (PARP) inhibitorsRelated gene mutationsHomologous recombination defectsII trialIDH1/2 inhibitorsMyeloid leukemiaIsocitrate dehydrogenase 1Therapeutic strategiesPathologic processesSmall molecule inhibitorsIDH1/2-mutant tumorsSmall molecule inhibitionTumor progressionDNA repair inhibitorsPolymerase inhibitorsModern oncologyTumor cellsKey mediator