2020
Cerebrospinal fluid circulating tumor cells as a quantifiable measurement of leptomeningeal metastases in patients with HER2 positive cancer
Malani R, Fleisher M, Kumthekar P, Lin X, Omuro A, Groves MD, Lin NU, Melisko M, Lassman AB, Jeyapalan S, Seidman A, Skakodub A, Boire A, DeAngelis LM, Rosenblum M, Raizer J, Pentsova E. Cerebrospinal fluid circulating tumor cells as a quantifiable measurement of leptomeningeal metastases in patients with HER2 positive cancer. Journal Of Neuro-Oncology 2020, 148: 599-606. PMID: 32506369, PMCID: PMC7438284, DOI: 10.1007/s11060-020-03555-z.Peer-Reviewed Original ResearchConceptsLeptomeningeal metastasesCSF cytologyCSF CTCsCTC enumerationCerebrospinal fluidIT trastuzumabPhase I/II dose escalation trialCentral nervous system compartmentTumor cellsHER2/neu positivityHER2/neu expressionDose-escalation trialHER2-positive cancersIntrathecal trastuzumabEscalation trialRadiographic responseTumor burdenPositive cancersNeu expressionNeu positivityConclusionOur studyPatientsDay 1Epithelial cancersCancer
2019
Residual Tumor Volume, Cell Volume Fraction, and Tumor Cell Kill During Fractionated Chemoradiation Therapy of Human Glioblastoma using Quantitative Sodium MR Imaging
Thulborn KR, Lu A, Atkinson IC, Pauliah M, Beal K, Chan TA, Omuro A, Yamada J, Bradbury MS. Residual Tumor Volume, Cell Volume Fraction, and Tumor Cell Kill During Fractionated Chemoradiation Therapy of Human Glioblastoma using Quantitative Sodium MR Imaging. Clinical Cancer Research 2019, 25: 1226-1232. PMID: 30487127, PMCID: PMC7462306, DOI: 10.1158/1078-0432.ccr-18-2079.Peer-Reviewed Original ResearchConceptsResidual tumor volumeTumor cell killTissue sodium concentrationChemoradiation therapyOverall survivalHuman glioblastomaTumor volumeQuantitative sodium MR imagingCell killQuantitative sodium MRITumor cellsVariable tumor responseSodium MRITwo-compartment modelTumor resectionTumor responseDisease progressionSodium MR imagingTumor marginsMR imagingTherapyGlioblastomaTreatment volumeCancer cellsSodium concentration
2017
Cerebrospinal fluid circulating tumor cells: a novel tool to diagnose leptomeningeal metastases from epithelial tumors
Lin X, Fleisher M, Rosenblum M, Lin O, Boire A, Briggs S, Bensman Y, Hurtado B, Shagabayeva L, DeAngelis LM, Panageas KS, Omuro A, Pentsova EI. Cerebrospinal fluid circulating tumor cells: a novel tool to diagnose leptomeningeal metastases from epithelial tumors. Neuro-Oncology 2017, 19: 1248-1254. PMID: 28821205, PMCID: PMC5570249, DOI: 10.1093/neuonc/nox066.Peer-Reviewed Original ResearchConceptsDiagnosis of LMLeptomeningeal metastasesCSF CTCsCSF cytologyEpithelial tumorsMRI findingsOptimal cutoffInstitutional review board-approved prospective studyTumor cellsNegative predictive value 97ROC analysisRare cell capture technologyPositive predictive value 90Positive CSF cytologyCSF of patientsSolid tumor patientsPrevious pilot studyClinical suspicionProspective studyCytology examinationTumor patientsLarge cohortCerebrospinal fluidPatientsStandard MRI
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 indexProspective validation of cerebrospinal fluid (CSF) circulating tumor cells (CTC) to diagnose leptomeningeal metastasis (LM) from epithelial tumors.
Lin X, Fleisher M, Omuro A, Shagabayeva L, Pentsova E. Prospective validation of cerebrospinal fluid (CSF) circulating tumor cells (CTC) to diagnose leptomeningeal metastasis (LM) from epithelial tumors. Journal Of Clinical Oncology 2015, 33: 2072-2072. DOI: 10.1200/jco.2015.33.15_suppl.2072.Peer-Reviewed Original Research
2013
Rare cell capture technology for the diagnosis of leptomeningeal metastasis in solid tumors
Nayak L, Fleisher M, Gonzalez-Espinoza R, Lin O, Panageas K, Reiner A, Liu CM, DeAngelis LM, Omuro A. Rare cell capture technology for the diagnosis of leptomeningeal metastasis in solid tumors. Neurology 2013, 80: 1598-1605. PMID: 23553479, PMCID: PMC3662321, DOI: 10.1212/wnl.0b013e31828f183f.Peer-Reviewed Original ResearchConceptsLeptomeningeal metastasesSolid tumorsCSF CTCsCSF pleocytosisLumbar punctureConventional cytologyRare cell capture technologyEarly diagnostic confirmationInitial MRI evaluationRepeat lumbar puncturePresence of CTCsClinical suspicionMRI evaluationPatient cohortDiagnostic confirmationCSF samplesPatientsTumorsCTC resultsTumor cellsPilot studyPleocytosisMetastasisCTCsPuncture