2024
Enhancing Clinical Decision-Making: An Externally Validated Machine Learning Model for Predicting IDH Mutation in Gliomas using Radiomics from Pre-Surgical MRI
Lost J, Ashraf N, Jekel L, von Reppert M, Tillmanns N, Willms K, Merkaj S, Petersen G, Avesta A, Ramakrishnan D, Omuro A, Nabavizadeh A, Bakas S, Bousabarah K, De Lin M, Aneja S, Sabel M, Aboian M. Enhancing Clinical Decision-Making: An Externally Validated Machine Learning Model for Predicting IDH Mutation in Gliomas using Radiomics from Pre-Surgical MRI. Neuro-Oncology Advances 2024, vdae157. DOI: 10.1093/noajnl/vdae157.Peer-Reviewed Original ResearchIsocitrate dehydrogenase mutation statusArea under the curveMagnetic resonance imagingMutation statusML modelsMachine learningSemi-automated tumour segmentationsPre-surgical magnetic resonance imagingCare of glioma patientsMachine learning modelsClinical care of glioma patientsIsocitrate dehydrogenase statusAnnotated datasetsFeature extractionPrediction taskMulti-institutional dataModel trainingIDH mutationsPredicting IDH mutationLearning modelsRetrospective studyHeterogeneous datasetsTumor segmentationGlioma patientsBrain tumors
2012
Multicenter phase II study of rituximab and temozolomide in recurrent primary central nervous system lymphoma
Nayak L, Abrey LE, Drappatz J, Gilbert MR, Reardon DA, Wen PY, Prados M, Deangelis LM, Omuro A, Consortium F. Multicenter phase II study of rituximab and temozolomide in recurrent primary central nervous system lymphoma. Leukemia & Lymphoma 2012, 54: 58-61. PMID: 22656234, PMCID: PMC4802006, DOI: 10.3109/10428194.2012.698736.Peer-Reviewed Original ResearchConceptsPrimary central nervous system lymphomaRecurrent primary central nervous system lymphomaCentral nervous system lymphomaNervous system lymphomaSystem lymphomaDay 1Prospective multicenter phase II trialMedian progression-free survivalMulticenter phase II studyMulticenter phase II trialAggressive salvage treatmentMedian overall survivalPhase II studyPhase II trialProgression-free survivalCycles of consolidationEvaluable patientsII trialSalvage treatmentII studyImmunocompetent patientsOverall survivalComplete responseRetrospective studyPatientsLimited Overall Survival in Patients with Brain Metastases from Triple Negative Breast Cancer
Morris PG, Murphy CG, Mallam D, Accordino M, Patil S, Howard J, Omuro A, Beal K, Seidman AD, Hudis CA, Fornier MN. Limited Overall Survival in Patients with Brain Metastases from Triple Negative Breast Cancer. The Breast Journal 2012, 18: 345-350. PMID: 22607041, DOI: 10.1111/j.1524-4741.2012.01246.x.Peer-Reviewed Original ResearchConceptsBrain metastasesOverall survivalBreast cancerDiagnosis of BMIncidence of BMMedian age 53 yearsRisk of BMTriple-negative breast cancerActuarial median survivalLimited overall survivalAge 53 yearsGroup of patientsPatterns of recurrenceSingle-institution studyNegative breast cancerElectronic medical recordsBM diagnosisMedian survivalMetastatic diseaseEntire cohortRetrospective studyTherapeutic optionsInstitutional databaseMedical recordsModern therapyLeptomeningeal Metastasis from Non-small Cell Lung Cancer: Survival and the Impact of Whole Brain Radiotherapy
Morris PG, Reiner AS, Szenberg OR, Clarke JL, Panageas KS, Perez HR, Kris MG, Chan TA, DeAngelis LM, Omuro AM. Leptomeningeal Metastasis from Non-small Cell Lung Cancer: Survival and the Impact of Whole Brain Radiotherapy. Journal Of Thoracic Oncology 2012, 7: 382-385. PMID: 22089116, DOI: 10.1097/jto.0b013e3182398e4f.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungCarcinoma, Squamous CellCranial IrradiationDose Fractionation, RadiationFemaleFollow-Up StudiesHumansImage Processing, Computer-AssistedLung NeoplasmsLymphatic MetastasisMaleMeningeal CarcinomatosisMiddle AgedNeoplasm Recurrence, LocalPrognosisRetrospective StudiesSurvival RateConceptsNon-small cell lung cancerWhole brain radiotherapyCell lung cancerLeptomeningeal metastasesTyrosine kinase inhibitorsLandmark analysisIT chemotherapyBrain radiotherapyIntrathecal therapyMedian survivalLung cancerEGFR mutationsEpidermal growth factor receptor tyrosine kinase inhibitorsGrowth factor receptor tyrosine kinase inhibitorsMedian age 59 yearsReceptor tyrosine kinase inhibitorsMedian overall survivalAge 59 yearsOptimal therapeutic approachSurvival of patientsDevastating complicationOverall survivalLeptomeningeal carcinomatosisRetrospective reviewRetrospective study
2011
Potential 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
2010
Up-front temozolomide in elderly patients with anaplastic oligodendroglioma and oligoastrocytoma
Ducray F, Sierra del Rio M, Carpentier C, Psimaras D, Idbaih A, Dehais C, Kaloshi G, Mokhtari K, Taillibert S, Laigle-Donadey F, Omuro A, Sanson M, Delattre JY, Hoang-Xuan K. Up-front temozolomide in elderly patients with anaplastic oligodendroglioma and oligoastrocytoma. Journal Of Neuro-Oncology 2010, 101: 457-462. PMID: 20556480, DOI: 10.1007/s11060-010-0264-z.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic Agents, AlkylatingBrain NeoplasmsDacarbazineDNA MethylationDNA Modification MethylasesDNA Repair EnzymesDNA, NeoplasmFemaleFollow-Up StudiesHumansMaleOligodendrogliomaPolymerase Chain ReactionPromoter Regions, GeneticRetrospective StudiesSurvival RateTemozolomideTreatment OutcomeTumor Suppressor ProteinsConceptsProgression-free survivalAnaplastic oligodendroglial tumorsElderly patientsOverall survivalFront chemotherapyPartial responseMedian progression-free survivalLonger progression-free survivalInitial radiation therapyLonger overall survivalDuration of responseRate of respondersO6-methylguanine-DNA methyltransferase (MGMT) promoter methylationMethyltransferase promoter methylationEvaluable patientsStable diseaseConsecutive patientsConventional dosesRetrospective studyOptimal treatmentAnaplastic oligodendrogliomaRadiation therapyPatientsOligodendroglial tumorsTumor progression
2007
Molecular genetic markers as predictors of response to chemotherapy in gliomas
Idbaih A, Omuro A, Ducray F, Hoang-Xuan K. Molecular genetic markers as predictors of response to chemotherapy in gliomas. Current Opinion In Oncology 2007, 19: 606-611. PMID: 17906460, DOI: 10.1097/cco.0b013e3282f075f3.Peer-Reviewed Original ResearchConceptsAnaplastic oligodendroglial tumorsLow-grade gliomasProspective trialMGMT statusOligodendroglial tumorsIndependent favorable prognostic factorFavorable prognostic factorRelevant prognostic markerPredictors of responsePromoter methylationTreatment of gliomaPredictor of chemosensitivityMGMT promoter methylationObjective responsePrognostic factorsRetrospective studyPrognostic markerSuch tumorsTreatment decisionsChromosome 1p/19q codeletionMGMT inactivationPredictive valueChemotherapyGliomasLow expression