2020
A phase II study of dose-dense temozolomide and lapatinib for recurrent low-grade and anaplastic supratentorial, infratentorial, and spinal cord ependymoma
Gilbert MR, Yuan Y, Wu J, Mendoza T, Vera E, Omuro A, Lieberman F, Robins HI, Gerstner ER, Wu J, Wen PY, Mikkelsen T, Aldape K, Armstrong TS. A phase II study of dose-dense temozolomide and lapatinib for recurrent low-grade and anaplastic supratentorial, infratentorial, and spinal cord ependymoma. Neuro-Oncology 2020, 23: 468-477. PMID: 33085768, PMCID: PMC7992893, DOI: 10.1093/neuonc/noaa240.Peer-Reviewed Original ResearchConceptsProgression-free survivalDose-dense temozolomideMedian progression-free survivalAdult patientsObjective responseSymptom burdenClinical trialsRecurrent ependymomaMD Anderson Symptom Inventory-Brain TumorProspective phase II clinical trialMedian Karnofsky performance statusPhase II clinical trialDemonstrated clinical activityModerate-severe painPatients age 18Phase II studyKarnofsky performance statusProspective clinical trialsSpinal cord tumorsStandard medical treatmentPrimary outcome measureSpinal cord ependymomasDisease-related symptomsExpression of ErbB2Daily lapatinib
2018
Radiographic patterns of recurrence and pathologic correlation in malignant gliomas treated with bevacizumab
Thomas A, Rosenblum M, Karimi S, DeAngelis LM, Omuro A, Kaley TJ. Radiographic patterns of recurrence and pathologic correlation in malignant gliomas treated with bevacizumab. CNS Oncology 2018, 07: 7-13. PMID: 29388793, PMCID: PMC6001559, DOI: 10.2217/cns-2017-0025.Peer-Reviewed Original ResearchConceptsMalignant gliomasRecurrence patternsDiffusion-weighted imaging abnormalitiesDiffusion-weighted imagingStandard clinical settingMG patientsImaging abnormalitiesMRI abnormalitiesPathologic findingsTumor recurrenceRadiographic patternsPathologic correlationBevacizumabClinical settingNecrosisPatientsRecurrenceRecent reportsTumorsGliomasAbnormalitiesLeptomeningealSurgery
2016
Second‐opinion interpretations of neuroimaging studies by oncologic neuroradiologists can help reduce errors in cancer care
Hatzoglou V, Omuro AM, Haque S, Khakoo Y, Ganly I, Oh JH, Shukla-Dave A, Fatovic R, Gaal J, Holodny AI. Second‐opinion interpretations of neuroimaging studies by oncologic neuroradiologists can help reduce errors in cancer care. Cancer 2016, 122: 2708-2714. PMID: 27219108, PMCID: PMC4992439, DOI: 10.1002/cncr.30083.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overChildChild, PreschoolDiagnostic ErrorsFemaleFollow-Up StudiesHumansImage Interpretation, Computer-AssistedInfantMagnetic Resonance ImagingMaleMiddle AgedNeoplasm StagingNeoplasmsNeuroimagingObserver VariationPatient CarePhysiciansPrognosisRadiologistsReferral and ConsultationRetrospective StudiesTomography, X-Ray ComputedYoung AdultConceptsSecond-opinion interpretationsPatient managementMagnetic resonance imaging studySecond-opinion radiology reportsResonance imaging studyNational Cancer InstitutePatient ageNeuro-oncologistsCancer CenterDisease stageStudy criteriaCancer patientsClinical assessmentClinical impactNeck surgeonsRetrospective analysisHistopathologic analysisCancer InstituteImaging studiesRadiology reportsOutside reportsReference standardNeuroradiologistsSurgeonsDiscrepant reports
2015
R-MPV followed by high-dose chemotherapy with TBC and autologous stem-cell transplant for newly diagnosed primary CNS lymphoma
Omuro A, Correa DD, DeAngelis LM, Moskowitz CH, Matasar MJ, Kaley TJ, Gavrilovic IT, Nolan C, Pentsova E, Grommes CC, Panageas KS, Baser RE, Faivre G, Abrey LE, Sauter CS. R-MPV followed by high-dose chemotherapy with TBC and autologous stem-cell transplant for newly diagnosed primary CNS lymphoma. Blood 2015, 125: 1403-1410. PMID: 25568347, PMCID: PMC4342354, DOI: 10.1182/blood-2014-10-604561.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntibodies, Monoclonal, Murine-DerivedAntineoplastic Combined Chemotherapy ProtocolsBusulfanCentral Nervous System NeoplasmsCombined Modality TherapyCyclophosphamideCytarabineFemaleFollow-Up StudiesHematopoietic Stem Cell TransplantationHumansLymphoma, Non-HodgkinMaleMethotrexateMiddle AgedNeoplasm GradingNeoplasm StagingProcarbazinePrognosisRituximabSurvival RateThiotepaTransplantation, AutologousVincristineYoung AdultConceptsAutologous stem cell transplantProgression-free survivalHigh-dose chemotherapyPrimary central nervous system lymphomaStem cell transplantOverall survivalR-MPVHigh-dose methotrexate-based chemotherapyTwo-year progression-free survivalConsolidation high-dose chemotherapyMedian progression-free survivalCentral nervous system lymphomaMedian Karnofsky performance status 80Treatment-related deathsTwo-year OSCycles of chemotherapyMethotrexate-based chemotherapyObjective response ratePrimary end pointAcceptable toxicity profileMainstay of treatmentPhase 2 studyPrimary CNS lymphomaNervous system lymphomaBlood-brain barrier
2014
Phase II Study of Bevacizumab, Temozolomide, and Hypofractionated Stereotactic Radiotherapy for Newly Diagnosed Glioblastoma
Omuro A, Beal K, Gutin P, Karimi S, Correa DD, Kaley TJ, DeAngelis LM, Chan TA, Gavrilovic IT, Nolan C, Hormigo A, Lassman AB, Mellinghoff I, Grommes C, Reiner AS, Panageas KS, Baser RE, Tabar V, Pentsova E, Sanchez J, Barradas-Panchal R, Zhang J, Faivre G, Brennan CW, Abrey LE, Huse JT. Phase II Study of Bevacizumab, Temozolomide, and Hypofractionated Stereotactic Radiotherapy for Newly Diagnosed Glioblastoma. Clinical Cancer Research 2014, 20: 5023-5031. PMID: 25107913, PMCID: PMC4523080, DOI: 10.1158/1078-0432.ccr-14-0822.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntibodies, Monoclonal, HumanizedAntineoplastic Combined Chemotherapy ProtocolsBevacizumabBiopsyBrain NeoplasmsChemotherapy, AdjuvantCombined Modality TherapyDacarbazineFemaleGlioblastomaHumansMagnetic Resonance ImagingMaleMiddle AgedRadiosurgeryTemozolomideTreatment OutcomeYoung AdultConceptsObjective response rateOverall survivalRadiotherapy schedulesMedian overall survivalPhase II studyHypofractionated Stereotactic RadiotherapyPhase II trialApparent diffusion coefficient ratioRelative cerebral blood volumeDynamic susceptibility contrast perfusion MRICerebral blood volumeNeuropsychological test scoresMedian PFSPersistent hypermetabolismAdjuvant temozolomidePrimary endpointII studyII trialPoor OSStandard dosesFDG-PETPrognostic valuePoor prognosisHistorical controlsTumor volumeClinical course and progression-free survival of adult intracranial and spinal ependymoma patients
Vera-Bolanos E, Aldape K, Yuan Y, Wu J, Wani K, Necesito-Reyes MJ, Colman H, Dhall G, Lieberman FS, Metellus P, Mikkelsen T, Omuro A, Partap S, Prados M, Robins HI, Soffietti R, Wu J, Gilbert MR, Armstrong TS. Clinical course and progression-free survival of adult intracranial and spinal ependymoma patients. Neuro-Oncology 2014, 17: 440-447. PMID: 25121770, PMCID: PMC4483095, DOI: 10.1093/neuonc/nou162.Peer-Reviewed Original ResearchConceptsProgression-free survivalClinical courseEpendymoma patientsMultivariate Cox proportional hazards modelMultivariate Cox proportional hazardsCox proportional hazards modelRare CNS tumorsTime of diagnosisPrognostic clinical factorsCox proportional hazardsProportional hazards modelSubtotal resectionClinical factorsMedian timeCNS tumorsCentral reviewGrade IIIMean ageTumor recurrenceEarly progressionTumor locationGrade IITumor gradeUnivariate analysisSupratentorial location
2013
Primary leptomeningeal lymphoma
Taylor JW, Flanagan EP, O'Neill BP, Siegal T, Omuro A, DeAngelis L, Baehring J, Nishikawa R, Pinto F, Chamberlain M, Hoang-Xuan K, Gonzalez-Aguilar A, Batchelor T, Blay JY, Korfel A, Betensky RA, Lopes MB, Schiff D. Primary leptomeningeal lymphoma. Neurology 2013, 81: 1690-1696. PMID: 24107866, PMCID: PMC3812109, DOI: 10.1212/01.wnl.0000435302.02895.f3.Peer-Reviewed Original ResearchConceptsPrimary leptomeningeal lymphomaPrimary CNS lymphomaLeptomeningeal lymphomaCNS lymphomaLeptomeningeal enhancementCSF cytologyMedian Eastern Cooperative Oncology Group performance statusRare formEastern Cooperative Oncology Group performance statusInternational Primary CNS Lymphoma Collaborative GroupIntra-CSF chemotherapyMedian overall survivalFavorable clinical responseCases of lymphomaOptimal diagnostic evaluationGene rearrangement studiesB-cell lymphomaMultifocal symptomsSalvage treatmentSystemic chemotherapyClinical responseOverall survivalPerformance statusMedian ageSystemic involvementPotential Role of Preoperative Conventional MRI Including Diffusion Measurements in Assessing Epidermal Growth Factor Receptor Gene Amplification Status in Patients with Glioblastoma
Young R, Gupta A, Shah A, Graber J, Schweitzer A, Prager A, Shi W, Zhang Z, Huse J, Omuro A. Potential Role of Preoperative Conventional MRI Including Diffusion Measurements in Assessing Epidermal Growth Factor Receptor Gene Amplification Status in Patients with Glioblastoma. American Journal Of Neuroradiology 2013, 34: 2271-2277. PMID: 23811973, PMCID: PMC4712068, DOI: 10.3174/ajnr.a3604.Peer-Reviewed Original ResearchAdolescentAdultAgedAged, 80 and overBiomarkers, TumorBrain NeoplasmsErbB ReceptorsFemaleGene AmplificationGlioblastomaHumansMagnetic Resonance ImagingMaleMiddle AgedMolecular ImagingPreoperative CarePrognosisReproducibility of ResultsSensitivity and SpecificityTissue DistributionUp-RegulationYoung AdultHistological Predictors of Outcome in Ependymoma are Dependent on Anatomic Site Within the Central Nervous System
Raghunathan A, Wani K, Armstrong TS, Vera‐Bolanos E, Fouladi M, Gilbertson R, Gajjar A, Goldman S, Lehman NL, Metellus P, Mikkelsen T, Necesito‐Reyes M, Omuro A, Packer RJ, Partap S, Pollack IF, Prados MD, Robins HI, Soffietti R, Wu J, Miller CR, Gilbert MR, Aldape KD, Network C. Histological Predictors of Outcome in Ependymoma are Dependent on Anatomic Site Within the Central Nervous System. Brain Pathology 2013, 23: 584-594. PMID: 23452038, PMCID: PMC8028973, DOI: 10.1111/bpa.12050.Peer-Reviewed Original ResearchConceptsProgression-free survivalWorse progression-free survivalElevated mitotic rateAnatomic sitesPosterior fossaHistological featuresMicrovascular proliferationMitotic rateWorld Health Organization grade IIComposite histological scoresMultivariate Cox regressionWorse clinical outcomesSpecific histological featuresRelevant clinical variablesDetailed histological examinationClinical outcomesCox regressionSC tumorsClinical variablesHistological factorsPF tumorsGrade IIHistological scoresEpendymal canalHistological examination
2012
MRI perfusion in determining pseudoprogression in patients with glioblastoma
Young RJ, Gupta A, Shah AD, Graber JJ, Chan TA, Zhang Z, Shi W, Beal K, Omuro AM. MRI perfusion in determining pseudoprogression in patients with glioblastoma. Clinical Imaging 2012, 37: 41-49. PMID: 23151413, PMCID: PMC4755513, DOI: 10.1016/j.clinimag.2012.02.016.Peer-Reviewed Original ResearchA prognostic gene expression signature in infratentorial ependymoma
Wani K, Armstrong TS, Vera-Bolanos E, Raghunathan A, Ellison D, Gilbertson R, Vaillant B, Goldman S, Packer RJ, Fouladi M, Pollack I, Mikkelsen T, Prados M, Omuro A, Soffietti R, Ledoux A, Wilson C, Long L, Gilbert MR, Aldape K, For the Collaborative Ependymoma Research Network. A prognostic gene expression signature in infratentorial ependymoma. Acta Neuropathologica 2012, 123: 727-738. PMID: 22322993, PMCID: PMC4013829, DOI: 10.1007/s00401-012-0941-4.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge FactorsAntigens, NeoplasmChildCluster AnalysisDatabases, GeneticDNA Topoisomerases, Type IIDNA-Binding ProteinsEpendymomaFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansInfratentorial NeoplasmsLongitudinal StudiesMaleOligonucleotide Array Sequence AnalysisPrognosisReproducibility of ResultsSex FactorsSurvival AnalysisYoung AdultConceptsRecurrence-free survivalInfratentorial ependymomaClinical outcomesReal-time reverse transcriptase-polymerase chain reaction assaysReverse transcriptase-polymerase chain reaction assaysGroup 1 tumorsPrognostic gene expression signaturesTranscriptase-polymerase chain reaction assaysGroup 2 tumorsGene expression subgroupsPolymerase chain reaction assaysClinical factorsGene expression signaturesIndependent predictorsPrognostic significanceInfratentorial compartmentHistological factorsClinical behaviorChain reaction assaysClinical aggressivenessPrognostic signatureExpression subgroupsEpendymomaMolecular alterationsMultivariate analysis
2011
Prophylactic intrathecal chemotherapy in primary CNS lymphoma
Sierra del Rio M, Ricard D, Houillier C, Navarro S, Gonzalez-Aguilar A, Idbaih A, Kaloshi G, Elhallani S, Omuro A, Choquet S, Soussain C, Hoang-Xuan K. Prophylactic intrathecal chemotherapy in primary CNS lymphoma. Journal Of Neuro-Oncology 2011, 106: 143-146. PMID: 21739169, DOI: 10.1007/s11060-011-0649-7.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntimetabolites, AntineoplasticAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsCentral Nervous System NeoplasmsCohort StudiesDisease-Free SurvivalFemaleFollow-Up StudiesHumansInjections, SpinalKarnofsky Performance StatusLomustineLymphomaMaleMethotrexateMethylprednisoloneMiddle AgedNeoplasm Recurrence, LocalNeuroprotective AgentsProcarbazineRetrospective StudiesYoung AdultConceptsPrimary central nervous system lymphomaCentral nervous system lymphomaNervous system lymphomaProphylactic intrathecal chemotherapyIntrathecal chemotherapySystem lymphomaIntrathecal prophylaxisHigh-dose intravenous methotrexateRetrospective single-center studyObjective response ratePatterns of relapsePrimary CNS lymphomaProgression-free survivalSingle-center studyHigh intravenous dosesIntrathecal chemoprophylaxisIntravenous methotrexateProphylaxis withdrawalChemotherapy regimenCNS lymphomaSystemic chemotherapyKarnofsky indexOverall survivalIntravenous dosesMedian agePotential utility of conventional MRI signs in diagnosing pseudoprogression in glioblastoma
Young R, Gupta A, Shah A, Graber J, Zhang Z, Shi W, Holodny A, Omuro A. Potential utility of conventional MRI signs in diagnosing pseudoprogression in glioblastoma. Neurology 2011, 76: 1918-1924. PMID: 21624991, PMCID: PMC3115805, DOI: 10.1212/wnl.0b013e31821d74e7.Peer-Reviewed Original ResearchConceptsEarly progressionMRI signsNegative predictive valuePredictive valueFinal diagnosisHigh negative predictive valueUseful MRI markerFisher's exact testSubependymal spreadSecond resectionRetrospective studyMass lesionSurgical specimensMRI markersPotential utilityClinical physiciansExact testMRI scansPatientsSubependymal enhancementLesionsGlioblastomaPseudoprogressionSignsDiagnosis
2008
Primary CNS lymphoma with intraocular involvement
Grimm S, McCannel C, Omuro A, Ferreri A, Blay J, Neuwelt E, Siegal T, Batchelor T, Jahnke K, Shenkier T, Hall A, Graus F, Herrlinger U, Schiff D, Raizer J, Rubenstein J, Laperriere N, Thiel E, Doolittle N, Iwamoto F, Abrey L. Primary CNS lymphoma with intraocular involvement. Neurology 2008, 71: 1355-1360. PMID: 18936428, PMCID: PMC4109164, DOI: 10.1212/01.wnl.0000327672.04729.8c.Peer-Reviewed Original ResearchConceptsPrimary CNS lymphomaOverall survivalOcular therapyIntraocular involvementCNS lymphomaCSF cytologyMedian Eastern Cooperative Oncology Group performance statusEastern Cooperative Oncology Group performance statusMedian progression-free survivalClinical ophthalmic examinationLocal ocular therapyCommon presenting symptomProgression-free survivalSite of progressionDiagnosis of lymphomaEyes 12Primary CNSFree survivalIntraocular lymphomaPresenting symptomBrain lymphomaImmunocompetent patientsOcular involvementPerformance statusRetinal biopsy