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
2018
P05.10 Prospective evaluation of cerebrospinal fluid circulating tumor cells (CSF CTC) in patients with HER2 positive cancers and leptomeningeal metastases receiving treatment with intrathecal trastuzumab
Pentsova E, Malani R, Fleisher M, Lin X, Omuro A, Groves M, Lin N, Melisko M, Lassman A, Jeyapalan S, Boire A, DeAngelis L, Raizer J. P05.10 Prospective evaluation of cerebrospinal fluid circulating tumor cells (CSF CTC) in patients with HER2 positive cancers and leptomeningeal metastases receiving treatment with intrathecal trastuzumab. Neuro-Oncology 2018, 20: iii304-iii304. PMCID: PMC6144227, DOI: 10.1093/neuonc/noy139.336.Peer-Reviewed Original ResearchCSF CTCsLeptomeningeal metastasesCellSearch systemCTC enumerationCSF cytologyTreatment responsePhase I/II dose escalation trialDose-escalation trialPositive CSF cytologyCycles of treatmentHER2-positive cancersCycle 1Number of CTCsIntrathecal trastuzumabIT trastuzumabLM progressionEscalation trialIntrathecal therapyRadiographic responseVentricular reservoirRadiographic worseningProspective evaluationPositive cancersHER2 expressionCerebrospinal fluid
2014
AT-47PHASE I TRIAL OF INTRATHECAL TRASTUZUMAB IN HER2 POSITIVE LEPTOMENINGEAL METASTASES
Raizer J, Pentsova E, Omuro A, Lin N, Nayak L, Quant E, Kumthekar P. AT-47PHASE I TRIAL OF INTRATHECAL TRASTUZUMAB IN HER2 POSITIVE LEPTOMENINGEAL METASTASES. Neuro-Oncology 2014, 16: v19-v19. PMCID: PMC4217826, DOI: 10.1093/neuonc/nou237.46.Peer-Reviewed Original ResearchHER2-positive breast cancerPositive breast cancerLeptomeningeal metastasesDose levelsBreast cancerIntrathecal trastuzumabCentral nervous system penetrationPhase I clinical trialPhase II studyHumanized monoclonal antibodyIT trastuzumabMedian KPSII studyProgressive diseaseI trialMedian ageOmmaya reservoirCSF levelsAnaplastic ependymomaClinical trialsPatientsPK dataTherapeutic levelsIts TreatmentTrastuzumab