2016
Molecular and Clinical Effects of Notch Inhibition in Glioma Patients: A Phase 0/I Trial
Xu R, Shimizu F, Hovinga K, Beal K, Karimi S, Droms L, Peck KK, Gutin P, Iorgulescu JB, Kaley T, DeAngelis L, Pentsova E, Nolan C, Grommes C, Chan T, Bobrow D, Hormigo A, Cross JR, Wu N, Takebe N, Panageas K, Ivy P, Supko JG, Tabar V, Omuro A. Molecular and Clinical Effects of Notch Inhibition in Glioma Patients: A Phase 0/I Trial. Clinical Cancer Research 2016, 22: 4786-4796. PMID: 27154916, PMCID: PMC5050072, DOI: 10.1158/1078-0432.ccr-16-0048.Peer-Reviewed Original ResearchConceptsRecurrent tumorsCancer-initiating cell populationGamma secretase inhibitor RO4929097Blood-brain barrier disruptionBlood-brain barrier penetrationDose-limiting toxicityNotch intracellular domainPotential therapeutic optionSignificant decreaseRelative plasma volumeHigh-grade gliomasTumor explant culturesNotch pathwayI trialDismal prognosisTherapeutic optionsBarrier disruptionDrug exposureAnaplastic astrocytomaAngiogenic factorsTumor tissueAntiangiogenic roleTarget modulationDrug penetrationPerfusion MRI
2015
Orally administered colony stimulating factor 1 receptor inhibitor PLX3397 in recurrent glioblastoma: an Ivy Foundation Early Phase Clinical Trials Consortium phase II study
Butowski N, Colman H, De Groot JF, Omuro AM, Nayak L, Wen PY, Cloughesy TF, Marimuthu A, Haidar S, Perry A, Huse J, Phillips J, West BL, Nolop KB, Hsu HH, Ligon KL, Molinaro AM, Prados M. Orally administered colony stimulating factor 1 receptor inhibitor PLX3397 in recurrent glioblastoma: an Ivy Foundation Early Phase Clinical Trials Consortium phase II study. Neuro-Oncology 2015, 18: 557-564. PMID: 26449250, PMCID: PMC4799682, DOI: 10.1093/neuonc/nov245.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, OralAminopyridinesBiomarkers, TumorBlood-Brain BarrierBrain NeoplasmsCohort StudiesFemaleFollow-Up StudiesGlioblastomaHumansImmunoenzyme TechniquesMaleMiddle AgedNeoplasm Recurrence, LocalNeoplasm StagingPrognosisPyrrolesReceptors, Granulocyte-Macrophage Colony-Stimulating FactorTissue DistributionTumor BurdenConceptsPhase II studyII studyRecurrent glioblastomaTumor tissueMedian drug levelsPrimary efficacy endpointProgression-free survivalBlood-brain barrierPretreatment baseline valuesBlood-tumor barrierExploratory endpointsInhibitor PLX3397Efficacy endpointPrimary endpointSecondary endpointsObjective responseSurgical resectionOral dosePharmacodynamic changesPharmacodynamic measuresTumor burdenDrug exposureTissue pharmacokineticsDrug levelsStem cell factor
2014
NI-57DYNAMIC CONTRAST-ENHANCED MAGNETIC RESONANCE PERFUSION WEIGHTED IMAGING (DCE-MRI) AND DIFFUSION WEIGHTED IMAGING (DWI) FOR PHARMACODYNAMIC EVALUATION OF CARBOXYAMIDOTRIAZOLE OROTATE (CTO) AND TEMOZOLOMIDE IN MALIGNANT GLIOMA
Magge R, Perez J, Young R, Kaley T, Pentsova E, DeAngelis L, Diamond E, Mellinghoff I, Peck K, Anderson B, Gorman G, Mclean S, Karmali R, Omuro A. NI-57DYNAMIC CONTRAST-ENHANCED MAGNETIC RESONANCE PERFUSION WEIGHTED IMAGING (DCE-MRI) AND DIFFUSION WEIGHTED IMAGING (DWI) FOR PHARMACODYNAMIC EVALUATION OF CARBOXYAMIDOTRIAZOLE OROTATE (CTO) AND TEMOZOLOMIDE IN MALIGNANT GLIOMA. Neuro-Oncology 2014, 16: v150-v151. PMCID: PMC4218384, DOI: 10.1093/neuonc/nou264.55.Peer-Reviewed Original ResearchBlood perfusionMalignant gliomasVascular permeabilityDCE-MRIProgressive malignant gliomaPhase I trialSubset of patientsContrast-Enhanced Magnetic ResonanceWnt/b-cateninMann-Whitney U testEarly pharmacodynamic effectsVolumetric histogram analysisMechanism of actionBiological effectsAdvanced imaging techniquesI trialOral inhibitorEarly drug developmentPharmacodynamic effectsVascular permeability parametersDrug exposurePharmacodynamic evaluationVEGF blockadeAdvanced neuroimagingBrain tumorsEmerging Therapies for Glioblastoma
Thomas AA, Brennan CW, DeAngelis LM, Omuro AM. Emerging Therapies for Glioblastoma. JAMA Neurology 2014, 71: 1437-1444. PMID: 25244650, DOI: 10.1001/jamaneurol.2014.1701.Peer-Reviewed Original ResearchConceptsClinical trialsCommon primary malignant brain tumorPrimary malignant brain tumorCancer stemlike cellsInnovative clinical trialsBlood-brain barrierMalignant brain tumorsPatient-tailored treatmentNew radiotherapy techniquesHeterogeneous molecular featuresImmune system interactionsGrowth factor receptorTerms glioblastomaMedian survivalDisease courseImmune checkpointsTemozolomide chemotherapyMultimodal treatmentPatient enrollmentAggressive tumorsTreatment advancesBrain neoplasmsDrug exposureBrain microenvironmentMalignant gliomas