2015
Integration of 2-hydroxyglutarate-proton magnetic resonance spectroscopy into clinical practice for disease monitoring in isocitrate dehydrogenase-mutant glioma
de la Fuente MI, Young RJ, Rubel J, Rosenblum M, Tisnado J, Briggs S, Arevalo-Perez J, Cross JR, Campos C, Straley K, Zhu D, Dong C, Thomas A, Omuro AA, Nolan CP, Pentsova E, Kaley TJ, Oh JH, Noeske R, Maher E, Choi C, Gutin PH, Holodny AI, Yen K, DeAngelis LM, Mellinghoff IK, Thakur SB. Integration of 2-hydroxyglutarate-proton magnetic resonance spectroscopy into clinical practice for disease monitoring in isocitrate dehydrogenase-mutant glioma. Neuro-Oncology 2015, 18: 283-290. PMID: 26691210, PMCID: PMC4724186, DOI: 10.1093/neuonc/nov307.Peer-Reviewed Original ResearchConceptsTumor volumeDisease monitoringIsocitrate dehydrogenase (IDH) mutant gliomasProton magnetic resonance spectroscopyConsecutive glioma patientsMR imaging protocolMagnetic resonance spectroscopyCytoreductive therapyTumor levelsLarge tumorsTumor gradeSmall tumorsGlioma patientsGlioma imagingGlioma therapyClinical practiceClinical implicationsRoutine MRTumor cellularityTumor cellsIDH-mutant gliomasGliomasMetabolite RImaging protocolMitotic indexDiffusion and Perfusion MRI to Differentiate Treatment-Related Changes Including Pseudoprogression from Recurrent Tumors in High-Grade Gliomas with Histopathologic Evidence
Prager A, Martinez N, Beal K, Omuro A, Zhang Z, Young R. Diffusion and Perfusion MRI to Differentiate Treatment-Related Changes Including Pseudoprogression from Recurrent Tumors in High-Grade Gliomas with Histopathologic Evidence. American Journal Of Neuroradiology 2015, 36: 877-885. PMID: 25593202, PMCID: PMC4731220, DOI: 10.3174/ajnr.a4218.Peer-Reviewed Original ResearchConceptsTreatment-related changesRecurrent tumorsHigh-grade gliomasSurgical resectionRecurrent high-grade gliomaLow relative cerebral blood volumeSubanalysis of patientsUtility of DWIRelative cerebral blood volumeTreatment-related effectsCerebral blood volumeWilcoxon rank sum testConventional MR imagingRank sum testConsecutive patientsHistopathologic evidenceMass lesionDSC perfusionRadiation therapyBlood volumeGrade gliomasPatientsLow perfusionTumorsDSC mapsR-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
2012
Phase II trial of continuous low-dose temozolomide for patients with recurrent malignant glioma
Omuro A, Chan TA, Abrey LE, Khasraw M, Reiner AS, Kaley TJ, Deangelis LM, Lassman AB, Nolan CP, Gavrilovic IT, Hormigo A, Salvant C, Heguy A, Kaufman A, Huse JT, Panageas KS, Hottinger AF, Mellinghoff I. Phase II trial of continuous low-dose temozolomide for patients with recurrent malignant glioma. Neuro-Oncology 2012, 15: 242-250. PMID: 23243055, PMCID: PMC3548585, DOI: 10.1093/neuonc/nos295.Peer-Reviewed Original ResearchConceptsKarnofsky performance scoreProgression-free survival ratesBevacizumab-naive patientsRecurrent malignant gliomaPhase II trialMalignant gliomasII trialPrimary endpointSurvival rateContinuous low-dose temozolomideMedian Karnofsky performance scoreLow Karnofsky performance scoreAdvanced malignant gliomaLow-dose temozolomideMedian overall survivalHalf of patientsFurther treatment strategiesMutations of EGFRBevacizumab exposureEligible patientsTemozolomide schedulesMG patientsOverall survivalMedian ageClinical benefitAtypical and anaplastic meningiomas treated with bevacizumab
Nayak L, Iwamoto FM, Rudnick JD, Norden AD, Lee EQ, Drappatz J, Omuro A, Kaley TJ. Atypical and anaplastic meningiomas treated with bevacizumab. Journal Of Neuro-Oncology 2012, 109: 187-193. PMID: 22544653, DOI: 10.1007/s11060-012-0886-4.Peer-Reviewed Original ResearchConceptsProgression-free survivalVascular endothelial growth factor receptorAnaplastic meningiomasRadiographic responseMedian progression-free survivalBest radiographic responseEfficacy of bevacizumabMonths PFS rateEndothelial growth factor receptorKaplan-Meier statisticsActivity of bevacizumabEffective chemotherapeutic optionsAnti-angiogenic agentsTumor blood volumeMR perfusion studiesGrowth factor receptorPFS ratesStable diseaseBevacizumab therapyOverall survivalRANO criteriaRetrospective reviewSurgical optionsProspective studyAggressive tumors