2016
Increased Nanoparticle Delivery to Brain Tumors by Autocatalytic Priming for Improved Treatment and Imaging
Han L, Kong DK, Zheng MQ, Murikinati S, Ma C, Yuan P, Li L, Tian D, Cai Q, Ye C, Holden D, Park JH, Gao X, Thomas JL, Grutzendler J, Carson RE, Huang Y, Piepmeier JM, Zhou J. Increased Nanoparticle Delivery to Brain Tumors by Autocatalytic Priming for Improved Treatment and Imaging. ACS Nano 2016, 10: 4209-4218. PMID: 26967254, PMCID: PMC5257033, DOI: 10.1021/acsnano.5b07573.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsBiological TransportBlood-Brain BarrierBrain NeoplasmsCell Line, TumorDecanoic AcidsDrug Delivery SystemsEthanolaminesFemaleGenetic TherapyHeterograftsHumansMatrix Metalloproteinase 2MiceMice, Inbred C57BLNanoparticlesOptical ImagingPaclitaxelPermeabilityPolymersPurinesPyrazolesScorpion VenomsTranscytosisTumor MicroenvironmentConceptsBlood-brain barrierLow delivery efficiencyTransport of nanoparticlesCancer gene therapyNanoparticle deliveryMore nanoparticlesBrain tumorsNanoparticlesDelivery efficiencyGene therapySystemic deliveryNPsBrain malignanciesBBB modulatorsPharmacological agentsBrain cancerBrain regionsTumorsDeliveryBrainImproved treatmentInadequate amountsPositive feedback loopChemotherapyMalignancy
2014
Imaging the delivery of brain-penetrating PLGA nanoparticles in the brain using magnetic resonance
Strohbehn G, Coman D, Han L, Ragheb RR, Fahmy TM, Huttner AJ, Hyder F, Piepmeier JM, Saltzman WM, Zhou J. Imaging the delivery of brain-penetrating PLGA nanoparticles in the brain using magnetic resonance. Journal Of Neuro-Oncology 2014, 121: 441-449. PMID: 25403507, PMCID: PMC4323763, DOI: 10.1007/s11060-014-1658-0.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntineoplastic AgentsBrain NeoplasmsConvectionDrug Delivery SystemsFerric CompoundsGlioblastomaHumansImage Processing, Computer-AssistedLactic AcidMagnetic Resonance ImagingNanoparticlesNeuroimagingPolyglycolic AcidPolylactic Acid-Polyglycolic Acid CopolymerRatsRats, Sprague-DawleyConceptsBrain-penetrating nanoparticlesSuperparamagnetic iron oxideEfficient deliveryDrug-loaded nanoparticlesDistribution of nanoparticlesTransverse relaxivityPLGA nanoparticlesNanoparticlesConvection-enhanced deliveryDelivery platformFuture clinical applicationsUniversal tumor recurrenceClinical translationSignal attenuationDetection modalitiesIron oxideSame morphologyParticle distributionDeliveryGroundbreaking approachClinical applicationRelevant volumesRelaxivityTreatment of GBMOxide
2013
Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO
Clark VE, Erson-Omay EZ, Serin A, Yin J, Cotney J, Özduman K, Avşar T, Li J, Murray PB, Henegariu O, Yilmaz S, Günel JM, Carrión-Grant G, Yılmaz B, Grady C, Tanrıkulu B, Bakırcıoğlu M, Kaymakçalan H, Caglayan AO, Sencar L, Ceyhun E, Atik AF, Bayri Y, Bai H, Kolb LE, Hebert RM, Omay SB, Mishra-Gorur K, Choi M, Overton JD, Holland EC, Mane S, State MW, Bilgüvar K, Baehring JM, Gutin PH, Piepmeier JM, Vortmeyer A, Brennan CW, Pamir MN, Kılıç T, Lifton RP, Noonan JP, Yasuno K, Günel M. Genomic Analysis of Non-NF2 Meningiomas Reveals Mutations in TRAF7, KLF4, AKT1, and SMO. Science 2013, 339: 1077-1080. PMID: 23348505, PMCID: PMC4808587, DOI: 10.1126/science.1233009.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBrain NeoplasmsChromosomes, Human, Pair 22DNA Mutational AnalysisFemaleGenes, Neurofibromatosis 2Genomic InstabilityGenomicsHumansKruppel-Like Factor 4Kruppel-Like Transcription FactorsMaleMeningeal NeoplasmsMeningiomaMiddle AgedMutationNeoplasm GradingProto-Oncogene Proteins c-aktReceptors, G-Protein-CoupledSmoothened ReceptorTumor Necrosis Factor Receptor-Associated Peptides and Proteins
2012
Low-Grade Gliomas When and How to Treat
Omay SB, Piepmeier JM, Knisely JP. Low-Grade Gliomas When and How to Treat. Hematology/Oncology Clinics Of North America 2012, 26: 797-809. PMID: 22794284, DOI: 10.1016/j.hoc.2012.05.001.Peer-Reviewed Original ResearchConceptsSurgical resectionLow-grade gliomasPatient-specific variablesSame imaging techniqueRadiotherapeutic managementUncommon tumorClinical trialsOperative techniqueHistopathologic characterizationGrade gliomasOptimal managementAdditional studiesGliomasResectionAdequate samplesImaging techniquesPatientsPrognosisManagementTumorsTrialsRole of Neurosurgery and Radiation Therapy in the Management of Brain Tumors
Patel TR, Yu JB, Piepmeier JM. Role of Neurosurgery and Radiation Therapy in the Management of Brain Tumors. Hematology/Oncology Clinics Of North America 2012, 26: 757-777. PMID: 22794282, DOI: 10.1016/j.hoc.2012.04.001.Peer-Reviewed Original ResearchNeurosurgical Approach
Moliterno JA, Patel TR, Piepmeier JM. Neurosurgical Approach. The Cancer Journal 2012, 18: 20-25. PMID: 22290253, DOI: 10.1097/ppo.0b013e3183243f6e3.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrain NeoplasmsCombined Modality TherapyGlioblastomaHumansMiddle AgedConceptsMagnetic resonance imagingTumor cellsResonance imagingAggressive surgical resectionAggressive tumor removalFunctional brain tissueFrequency of seizuresExtent of resectionGoal of surgeryInfiltrative tumor cellsPreferred initial stepFunctional magnetic resonance imagingProliferative tumor cellsAdjuvant therapyAggressive resectionSurgical resectionTumors recurCritical cortical regionsNeurologic impairmentTumor burdenProspective studyTumor resectionTumor removalInfiltrative tumorsMalignant gliomas
2010
Phase III randomized trial of CED of IL13-PE38QQR vs Gliadel wafers for recurrent glioblastoma†
Kunwar S, Chang S, Westphal M, Vogelbaum M, Sampson J, Barnett G, Shaffrey M, Ram Z, Piepmeier J, Prados M, Croteau D, Pedain C, Leland P, Husain SR, Joshi BH, Puri RK, Group F. Phase III randomized trial of CED of IL13-PE38QQR vs Gliadel wafers for recurrent glioblastoma†. Neuro-Oncology 2010, 12: 871-881. PMID: 20511192, PMCID: PMC2940677, DOI: 10.1093/neuonc/nop054.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntineoplastic AgentsBrain NeoplasmsCarmustineCatheters, IndwellingConvectionDecanoic AcidsDrug Administration RoutesExotoxinsFemaleGlioblastomaHumansInterleukin-13Kaplan-Meier EstimateMagnetic Resonance ImagingMaleMiddle AgedNeoplasm Recurrence, LocalPolyestersRecombinant Fusion ProteinsYoung AdultConceptsConvection-enhanced deliveryCintredekin besudotoxGliadel wafersMedian survivalTumor resectionGlioblastoma multiformeEfficacy-evaluable populationAdverse event profileHealth-related qualityPhase III evaluationTime of randomizationEvaluable populationTertiary endpointsPrimary endpointAdult patientsBaseline characteristicsFirst recurrenceOverall survivalPulmonary embolismActive comparatorTreatment armsIL13-PE38QQRIntraparenchymal catheterSurvival differencesGBM patients
2009
The future of neuro-oncology
Piepmeier JM. The future of neuro-oncology. Acta Neurochirurgica 2009, 151: 1343. PMID: 19639245, DOI: 10.1007/s00701-009-0471-6.Peer-Reviewed Original ResearchCurrent concepts in the evaluation and management of WHO grade II gliomas
Piepmeier JM. Current concepts in the evaluation and management of WHO grade II gliomas. Journal Of Neuro-Oncology 2009, 92: 253-259. PMID: 19357953, DOI: 10.1007/s11060-009-9870-z.Peer-Reviewed Original ResearchConceptsHigh-grade lesionsGrade II gliomasRandomized clinical trialsLow-grade lesionsAdditional genetic mutationsAdjuvant treatmentAppropriate therapyClinical trialsClinical reportsFatal diseaseLesionsUnique lesionGenetic mutationsCurrent conceptsContinued investigationGliomasRecent findingsSelection criteriaPatientsTherapyTumorsDiseaseTrials
2008
Intracranial benign fibrous histiocytomas: a case report and review
Moliterno JA, Sood S, Zambrano E, Kim JH, Piepmeier JM, Baehring JM. Intracranial benign fibrous histiocytomas: a case report and review. Journal Of Neuro-Oncology 2008, 92: 203-209. PMID: 19030779, DOI: 10.1007/s11060-008-9743-x.Peer-Reviewed Original Research
2006
New methods for direct delivery of chemotherapy for treating brain tumors.
Sawyer AJ, Piepmeier JM, Saltzman WM. New methods for direct delivery of chemotherapy for treating brain tumors. The Yale Journal Of Biology And Medicine 2006, 79: 141-52. PMID: 17940624, PMCID: PMC1994797.Peer-Reviewed Original ResearchConceptsConvection-enhanced deliveryBrain tumorsPrimary malignant brain tumorLocal deliveryBlood-brain barrierMalignant brain tumorsStandard chemotherapeutic drugsBrain cancer treatmentAnti-cancer therapyMedian survivalInfusion siteSevere formMalignant cellsNew delivery strategiesChemotherapy drugsChemotherapyDiagnostic imagingTumorsChemotherapeutic drugsCancer treatmentDrugsInvasive cellsSource of drugsDelivery strategiesBrainDiffusion MRI in the early diagnosis of malignant glioma
Baehring JM, Bi WL, Bannykh S, Piepmeier JM, Fulbright RK. Diffusion MRI in the early diagnosis of malignant glioma. Journal Of Neuro-Oncology 2006, 82: 221-225. PMID: 17029014, DOI: 10.1007/s11060-006-9273-3.Peer-Reviewed Original ResearchMeSH KeywordsAgedBrain NeoplasmsDiffusion Magnetic Resonance ImagingEarly DiagnosisFemaleGliomaHumansMaleMiddle AgedConceptsDiffusion-weighted imagingMalignant gliomasApparent diffusion coefficient (ADC) mapsCentral necrosisNodular enhancing lesionsResultsOf 89 patientsTimely definitive diagnosisSubset of patientsClinical decision-making processBrain Tumor CenterFurther tumor growthHigh-grade gliomasTypical radiographic presentationTime of imagingSubset of casesLow signal intensityDiffusion coefficient mapsConclusionsThe diagnosisDefinitive diagnosisEloquent areasEnhancing lesionsMass lesionRadiographic presentationRim enhancementInclusion criteria21‐YEAR‐OLD WOMAN WITH A CYSTIC BRAIN LESION
Dotto JE, Baehring J, Piepmeier JM, Bannykh SI. 21‐YEAR‐OLD WOMAN WITH A CYSTIC BRAIN LESION. Brain Pathology 2006, 16: 239-241. PMID: 16911483, PMCID: PMC8095829, DOI: 10.1111/j.1750-3639.2006.00014_3.x.Peer-Reviewed Original Research
2005
Novel Tumor-Specific Isoforms of BEHAB/Brevican Identified in Human Malignant Gliomas
Viapiano MS, Bi WL, Piepmeier J, Hockfield S, Matthews RT. Novel Tumor-Specific Isoforms of BEHAB/Brevican Identified in Human Malignant Gliomas. Cancer Research 2005, 65: 6726-6733. PMID: 16061654, DOI: 10.1158/0008-5472.can-05-0585.Peer-Reviewed Original ResearchConceptsBEHAB/brevicanHigh-grade gliomasMalignant gliomasBrain tumorsNew potential therapeutic targetsPrimary brain tumorsNormal adult brainDeadly brain tumorCentral nervous systemPotential therapeutic targetLow-grade gliomasHuman malignant gliomasNew therapeutic strategiesPathologic courseSimilar histologyBenign gliomasAdult brainTherapeutic strategiesDiffuse invasionTherapeutic targetGlioma progressionNervous systemInvasive abilityBrain tissueGliomas
2004
Tumors of the posterior third ventricle and pineal region: ependymoma and germinoma
Baehring J, Vives K, Duncan C, Piepmeier J, Bannykyh S. Tumors of the posterior third ventricle and pineal region: ependymoma and germinoma. Journal Of Neuro-Oncology 2004, 70: 273-274. PMID: 15674486, DOI: 10.1007/s11060-004-5395-7.Peer-Reviewed Original ResearchSurgical Resection for Patients with Benign Primary Brain Tumors and Low Grade Gliomas
Piepmeier J, Baehring JM. Surgical Resection for Patients with Benign Primary Brain Tumors and Low Grade Gliomas. Journal Of Neuro-Oncology 2004, 69: 55-65. PMID: 15527080, DOI: 10.1023/b:neon.0000041871.46785.53.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsGliomaHumansMagnetic Resonance ImagingNeurosurgical ProceduresTreatment OutcomeConceptsPrimary brain tumorsBrain tumorsNeuroepithelial tumorsBenign primary brain tumorsMajority of patientsAdverse treatment effectsBenefits of therapyLow-grade tumorsLow-grade gliomasSurgical resectionInitial diagnosisMalignant degenerationPrimary neoplasmsSurgical managementSeizure focusBrain parenchymaChordoid gliomaNeurosurgical interventionThird ventricleChoroid plexusGrade gliomasTumorsUnknown originHeterogeneous groupCell poolNon-enhancing de novo glioblastoma: report of two cases
Cohen-Gadol AA, DiLuna ML, Bannykh SI, Piepmeier JM, Spencer DD. Non-enhancing de novo glioblastoma: report of two cases. Neurosurgical Review 2004, 27: 281-285. PMID: 15449198, DOI: 10.1007/s10143-004-0346-5.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBrain NeoplasmsGlioblastomaHumansMagnetic Resonance ImagingMaleRadiographyTumor Suppressor Protein p53ConceptsRing-enhancing lesionsLow-grade lesionsSecond patientMalignant gliomasRight medial temporal lobe lesionInitial MRI evaluationTraditional imaging findingsDe novo lesionsNew-onset seizuresMedial temporal lobe lesionsT2 signal changeRight precentral gyrusTemporal lobe lesionsMedial temporal lesionsRight frontal lesionDe novo glioblastomaEarly MRINovo lesionsNeurological examinationSubsequent resectionImaging findingsFirst patientMRI evaluationTumor suggestiveTemporal lesions
2001
Patterns of functional magnetic resonance imaging activation in association with structural lesions in the rolandic region: a classification system.
Carpentier A, Constable R, Schlosser M, de Lotbinière A, Piepmeier J, Spencer D, Awad I. Patterns of functional magnetic resonance imaging activation in association with structural lesions in the rolandic region: a classification system. Journal Of Neurosurgery 2001, 94: 946-54. PMID: 11409524, DOI: 10.3171/jns.2001.94.6.0946.Peer-Reviewed Original ResearchConceptsFMR imaging activationSurgical interventionRolandic regionMotor cortex plasticityMotor task paradigmFunctional magnetic resonance imagingMotor skillsMagnetic resonance imagingSevere motor impairmentFunctional magnetic resonanceFunctional recoveryLesion sideCortical abnormalitiesMotor cortexControl volunteersCortical malformationsStructural lesionsContralateral hemisphereArteriovenous malformationsBrain lesionsSurgical proceduresMotor impairmentPathological lesionsFunctional reorganizationAuthors' institution
2000
A neurosurgeon's perspective on the neuropathology of low-grade gliomas
Piepmeier J. A neurosurgeon's perspective on the neuropathology of low-grade gliomas. Brain Tumor Pathology 2000, 17: 85-88. PMID: 11210176, DOI: 10.1007/bf02482740.Peer-Reviewed Original Research
1999
Polarographic measurements of oxygen tension in human glioma and surrounding peritumoural brain tissue
Collingridge D, Piepmeier J, Rockwell S, Knisely J. Polarographic measurements of oxygen tension in human glioma and surrounding peritumoural brain tissue. Radiotherapy And Oncology 1999, 53: 127-131. PMID: 10665789, DOI: 10.1016/s0167-8140(99)00121-8.Peer-Reviewed Original Research