2022
Response assessment methods for patients with hepatic metastasis from rare tumor primaries undergoing transarterial chemoembolization
Adam LC, Savic LJ, Chapiro J, Letzen B, Lin M, Georgiades C, Hong KK, Nezami N. Response assessment methods for patients with hepatic metastasis from rare tumor primaries undergoing transarterial chemoembolization. Clinical Imaging 2022, 89: 112-119. PMID: 35777239, PMCID: PMC9470015, DOI: 10.1016/j.clinimag.2022.06.013.Peer-Reviewed Original ResearchConceptsConventional transarterial chemoembolizationLipiodol depositionHepatic metastasesResponse assessment methodsPartial responseTransarterial chemoembolizationResponse assessmentTumor primaryStratification of responseRare primary tumorResponse Evaluation CriteriaRetrospective bicentric studyAssessment of responseQuantitative European AssociationLiver metastasesMajor complicationsBicentric studyPrimary tumorRare tumorEarly surrogateTreatment responseCT scanPatientsRECISTSolid tumors
2021
Quantitative Automated Segmentation of Lipiodol Deposits on Cone-Beam CT Imaging Acquired during Transarterial Chemoembolization for Liver Tumors: A Deep Learning Approach
Malpani R, Petty CW, Yang J, Bhatt N, Zeevi T, Chockalingam V, Raju R, Petukhova-Greenstein A, Santana JG, Schlachter TR, Madoff DC, Chapiro J, Duncan J, Lin M. Quantitative Automated Segmentation of Lipiodol Deposits on Cone-Beam CT Imaging Acquired during Transarterial Chemoembolization for Liver Tumors: A Deep Learning Approach. Journal Of Vascular And Interventional Radiology 2021, 33: 324-332.e2. PMID: 34923098, PMCID: PMC8972393, DOI: 10.1016/j.jvir.2021.12.017.Peer-Reviewed Original ResearchComparison of metabolic and immunologic responses to transarterial chemoembolization with different chemoembolic regimens in a rabbit VX2 liver tumor model
Doemel LA, Santana JG, Savic LJ, Gaupp FML, Borde T, Petukhova-Greenstein A, Kucukkaya AS, Schobert IT, Hamm CA, Gebauer B, Walsh JJ, Rexha I, Hyder F, Lin M, Madoff DC, Schlachter T, Chapiro J, Coman D. Comparison of metabolic and immunologic responses to transarterial chemoembolization with different chemoembolic regimens in a rabbit VX2 liver tumor model. European Radiology 2021, 32: 2437-2447. PMID: 34718844, PMCID: PMC9359419, DOI: 10.1007/s00330-021-08337-3.Peer-Reviewed Original ResearchConceptsDrug-eluting embolicsImmune cell infiltrationAntigen-presenting cellsBicarbonate infusionConventional TACEDEE-TACETransarterial chemotherapyCell infiltrationImmune cellsPeritumoral infiltrationT lymphocytesIntratumoral immune cell infiltrationTumor modelRabbit VX2 liver tumor modelImmunological tumor microenvironmentVX2 liver tumor modelIntra-arterial therapyIntra-arterial treatmentRabbit VX2 tumor modelLiver tumor modelTumor-bearing rabbitsVX2 tumor modelMann-Whitney U testIntratumoral presenceTransarterial chemoembolizationLipiodol Deposition and Washout in Primary and Metastatic Liver Tumors After Chemoembolization
Nezami N, VAN Breugel JMM, Konstantinidis M, Chapiro J, Savic LJ, Miszczuk MA, Rexha I, Lin M, Hong K, Georgiades C. Lipiodol Deposition and Washout in Primary and Metastatic Liver Tumors After Chemoembolization. In Vivo 2021, 35: 3261-3270. PMID: 34697157, PMCID: PMC8627740, DOI: 10.21873/invivo.12621.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, HepatocellularChemoembolization, TherapeuticEthiodized OilHumansLiver NeoplasmsRetrospective StudiesConceptsConventional trans-arterial chemoembolizationTrans-arterial chemoembolizationNeuroendocrine tumorsColorectal carcinomaIntrahepatic cholangiocarcinomaLipiodol depositionWashout rateContrast-enhanced magnetic resonanceMetastatic liver tumorsColorectal carcinoma tumorsLiver metastasesHepatic metastasesTumor responseTarget lesionsRetrospective analysisLiver tumorsSmall tumorsChemoembolizationCarcinoma tumorsTumorsExponential washoutCarcinomaTomography imagingWashoutCholangiocarcinomaLipiodol as an intra-procedural imaging biomarker for liver tumor response to transarterial chemoembolization: Post-hoc analysis of a prospective clinical trial
Letzen BS, Malpani R, Miszczuk M, de Ruiter QMB, Petty CW, Rexha I, Nezami N, Laage-Gaupp F, Lin M, Schlachter TR, Chapiro J. Lipiodol as an intra-procedural imaging biomarker for liver tumor response to transarterial chemoembolization: Post-hoc analysis of a prospective clinical trial. Clinical Imaging 2021, 78: 194-200. PMID: 34022765, PMCID: PMC8364875, DOI: 10.1016/j.clinimag.2021.05.007.Peer-Reviewed Original ResearchConceptsConventional trans-arterial chemoembolizationMedian overall survivalProspective clinical trialsLipiodol depositionTumor responsePredictive biomarkersClinical trialsModified Response Evaluation CriteriaPost-TACE CTResponse Evaluation CriteriaMetastatic liver cancerKaplan-Meier analysisTrans-arterial chemoembolizationTumor response criteriaLiver tumor responsePrediction of survivalSelective drug targetingArterial embolizationLiver metastasesOverall survivalBland-Altman plotsTransarterial chemoembolizationPortal veinTumor respondersHepatocellular carcinoma
2020
Automated feature quantification of Lipiodol as imaging biomarker to predict therapeutic efficacy of conventional transarterial chemoembolization of liver cancer
Stark S, Wang C, Savic LJ, Letzen B, Schobert I, Miszczuk M, Murali N, Oestmann P, Gebauer B, Lin M, Duncan J, Schlachter T, Chapiro J. Automated feature quantification of Lipiodol as imaging biomarker to predict therapeutic efficacy of conventional transarterial chemoembolization of liver cancer. Scientific Reports 2020, 10: 18026. PMID: 33093524, PMCID: PMC7582153, DOI: 10.1038/s41598-020-75120-7.Peer-Reviewed Original ResearchConceptsConventional transarterial chemoembolizationLipiodol depositionTransarterial chemoembolizationLiver cancerPeripheral depositionLipiodol depositsTherapeutic efficacyNecrotic tumor areasBaseline MRITherapy optionsTumor responseTreatment responseTumor volumeLiver lesionsLipiodolH postTumor areaH-CTHounsfield unitsBiomarkersChemoembolizationHigh rateTumorsCancerImproved responseProspective study of Lipiodol distribution as an imaging marker for doxorubicin pharmacokinetics during conventional transarterial chemoembolization of liver malignancies
Savic LJ, Chapiro J, Funai E, Bousabarah K, Schobert IT, Isufi E, Geschwind JH, Stark S, He P, Rudek MA, Perez Lozada JC, Ayyagari R, Pollak J, Schlachter T. Prospective study of Lipiodol distribution as an imaging marker for doxorubicin pharmacokinetics during conventional transarterial chemoembolization of liver malignancies. European Radiology 2020, 31: 3002-3014. PMID: 33063185, DOI: 10.1007/s00330-020-07380-w.Peer-Reviewed Original ResearchConceptsConventional transarterial chemoembolizationProspective clinical trialsTumor responseConventional TACEAdverse eventsTransarterial chemoembolizationLiver malignanciesClinical trialsMarker predictiveTumor volumeExact testChild-Pugh B classVolumetric tumor responseChild-Pugh BPeak concentrationNon-compartmental analysisFisher's exact testDose normalizationQuantitative European AssociationStandard non-compartmental analysisTime-concentration curveLiver criteriaLobar distributionDoxorubicin pharmacokineticsNeuroendocrine metastasesMolecular Imaging of Extracellular Tumor pH to Reveal Effects of Locoregional Therapy on Liver Cancer Microenvironment
Savic LJ, Schobert I, Peters D, Walsh JJ, Laage-Gaupp F, Hamm CA, Tritz N, Doemel LA, Lin M, Sinusas A, Schlachter T, Duncan JS, Hyder F, Coman D, Chapiro J. Molecular Imaging of Extracellular Tumor pH to Reveal Effects of Locoregional Therapy on Liver Cancer Microenvironment. Clinical Cancer Research 2020, 26: 428-438. PMID: 31582517, PMCID: PMC7244230, DOI: 10.1158/1078-0432.ccr-19-1702.Peer-Reviewed Original ResearchConceptsMR spectroscopic imagingLocoregional therapyLiver cancer microenvironmentConventional transarterial chemoembolizationNew Zealand white rabbitsTumor pHMost liver tumorsZealand white rabbitsMolecular imaging paradigmsPositive therapeutic outcomesTumor residualsTransarterial chemoembolizationTumor devascularizationHistopathologic markersViable tumorSurrogate biomarkerLiver tumorsLiver cancerTumor enhancementLiver parenchymaMetabolic markersMultiparametric MRITherapeutic outcomesHIF-1αVX2 tumors
2019
Comparing HCC arterial tumour vascularisation on baseline imaging and after lipiodol cTACE: how do estimations of enhancing tumour volumes differ on contrast-enhanced MR and CT?
Luedemann WM, Geisel D, Gebauer B, Schnapauff D, Chapiro J, Wieners G, Steffen I, Kahn J. Comparing HCC arterial tumour vascularisation on baseline imaging and after lipiodol cTACE: how do estimations of enhancing tumour volumes differ on contrast-enhanced MR and CT? European Radiology 2019, 30: 1601-1608. PMID: 31811428, DOI: 10.1007/s00330-019-06430-2.Peer-Reviewed Original ResearchConceptsLipiodol depositionNative CT scansTumor volumeTumour vascularisationTechnical successHCC patientsCE-CTCT scanDifferent imaging modalitiesImaging modalitiesContrast-enhanced CTContrast-enhanced MRPearson correlation coefficientBaseline imagingSubgroup analysisRespective regression coefficientsCT groupLinear regression analysisCE-MRICE-MRVascularisationCTContrast phasesPatientsCTACETheranostic application of lipiodol for transarterial chemoembolization in a VX2 rabbit liver tumor model
van Breugel JMM, Geschwind JF, Mirpour S, Savic LJ, Zhang X, Duran R, Lin M, Miszczuk M, Liapi E, Chapiro J. Theranostic application of lipiodol for transarterial chemoembolization in a VX2 rabbit liver tumor model. Theranostics 2019, 9: 3674-3686. PMID: 31281506, PMCID: PMC6587357, DOI: 10.7150/thno.32943.Peer-Reviewed Original ResearchConceptsOil Red OPerfusion indexMicrovascular densityLipiodol depositionLiver cancerTherapeutic efficacyVX2 tumorsContrast-enhanced CT scanRabbit liver tumor modelTumor-specific functionsNon-tumoral liverLiver tumor modelRadiological-pathological correlationVX2 rabbit liver tumor modelPortal flowTransarterial chemoembolizationLeft lobeLipiodol retentionTherapeutic managementPatient responseTumor vascularityTumor volumeArterial flowCT scanTumor perfusion
2018
Predicting Treatment Response to Intra-arterial Therapies for Hepatocellular Carcinoma with the Use of Supervised Machine Learning—An Artificial Intelligence Concept
Abajian A, Murali N, Savic LJ, Laage-Gaupp FM, Nezami N, Duncan JS, Schlachter T, Lin M, Geschwind JF, Chapiro J. Predicting Treatment Response to Intra-arterial Therapies for Hepatocellular Carcinoma with the Use of Supervised Machine Learning—An Artificial Intelligence Concept. Journal Of Vascular And Interventional Radiology 2018, 29: 850-857.e1. PMID: 29548875, PMCID: PMC5970021, DOI: 10.1016/j.jvir.2018.01.769.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAntineoplastic AgentsCarcinoma, HepatocellularChemoembolization, TherapeuticContrast MediaDoxorubicinEthiodized OilFemaleHumansLiver NeoplasmsMachine LearningMagnetic Resonance ImagingMaleMiddle AgedNeoplasm StagingPredictive Value of TestsRetrospective StudiesSensitivity and SpecificityTreatment OutcomeConceptsTransarterial chemoembolizationHepatocellular carcinomaTreatment responseLogistic regressionClinical patient dataPatient dataIntra-arterial therapyQuantitative European AssociationMagnetic resonance imagingLiver criteriaBaseline imagingClinical variablesTumor responseTherapeutic featuresTreatment respondersBaseline MRClinical informationImaging variablesChemoembolizationTherapeutic outcomesResonance imagingResponse criteriaEuropean AssociationPatientsMR imaging
2017
Preclinical Benefit of Hypoxia-Activated Intra-arterial Therapy with Evofosfamide in Liver Cancer
Duran R, Mirpour S, Pekurovsky V, Ganapathy-Kanniappan S, Brayton CF, Cornish TC, Gorodetski B, Reyes J, Chapiro J, Schernthaner RE, Frangakis C, Lin M, Sun JD, Hart CP, Geschwind JF. Preclinical Benefit of Hypoxia-Activated Intra-arterial Therapy with Evofosfamide in Liver Cancer. Clinical Cancer Research 2017, 23: 536-548. PMID: 27440271, PMCID: PMC5241187, DOI: 10.1158/1078-0432.ccr-16-0725.Peer-Reviewed Original Research
2015
Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors.
Tacher V, Duran R, Lin M, Sohn JH, Sharma KV, Wang Z, Chapiro J, Gacchina Johnson C, Bhagat N, Dreher MR, Schäfer D, Woods DL, Lewis AL, Tang Y, Grass M, Wood BJ, Geschwind JF. Multimodality Imaging of Ethiodized Oil-loaded Radiopaque Microspheres during Transarterial Embolization of Rabbits with VX2 Liver Tumors. Radiology 2015, 279: 741-53. PMID: 26678453, PMCID: PMC4886703, DOI: 10.1148/radiol.2015141624.Peer-Reviewed Original ResearchConceptsTransarterial embolizationLiver tumor modelFeeding arteriesContrast materialMultidetector CTEmbolic agentTumor modelRabbit VX2 liver tumor modelRadiopaque microspheresVX2 tumor-bearing rabbitsCone-beam CTContrast material washoutRabbit liver tumor modelVX2 liver tumor modelTumor feeding arteriesVX2 rabbit liver tumor modelMicro-CTHistologic examinationInstitutional Animal CareTumor enhancementKruskal-Wallis testScale scoreHistologic analysisEmbolizationCone beamIntraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma
Wang Z, Chen R, Duran R, Zhao Y, Yenokyan G, Chapiro J, Schernthaner R, Radaelli A, Lin M, Geschwind JF. Intraprocedural 3D Quantification of Lipiodol Deposition on Cone-Beam CT Predicts Tumor Response After Transarterial Chemoembolization in Patients with Hepatocellular Carcinoma. CardioVascular And Interventional Radiology 2015, 38: 1548-1556. PMID: 26001366, PMCID: PMC4651808, DOI: 10.1007/s00270-015-1129-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyContrast MediaEthiodized OilFemaleFollow-Up StudiesHumansImage EnhancementImaging, Three-DimensionalLiverLiver NeoplasmsMagnetic Resonance ImagingMaleMiddle AgedRetrospective StudiesTreatment OutcomeConceptsLipiodol depositionConventional transarterial chemoembolizationTumor responseOverall tumor volumeTumor volumeCE-MRIHepatocellular carcinomaTransarterial chemoembolizationTumor necrosisContrast-enhanced magnetic resonance imagingNecrotic tumour volumeResponse Evaluation CriteriaT-testMagnetic resonance imagingStudent's t-testMethodsThis IRBTarget lesionsRetrospective analysisSolid tumorsResonance imagingSpearman rank-order correlationPatientsCone-beam CTCBCTChemoembolization
2014
Three-dimensional Evaluation of Lipiodol Retention in HCC after Chemoembolization A Quantitative Comparison between CBCT and MDCT
Wang Z, Lin M, Lesage D, Chen R, Chapiro J, Gu T, Tacher V, Duran R, Geschwind JF. Three-dimensional Evaluation of Lipiodol Retention in HCC after Chemoembolization A Quantitative Comparison between CBCT and MDCT. Academic Radiology 2014, 21: 393-399. PMID: 24507426, PMCID: PMC3979929, DOI: 10.1016/j.acra.2013.11.006.Peer-Reviewed Original ResearchAgedAntineoplastic AgentsCarcinoma, HepatocellularChemoembolization, TherapeuticCone-Beam Computed TomographyEthiodized OilFemaleHemostaticsHumansImaging, Three-DimensionalLiver NeoplasmsMaleMetabolic Clearance RateMiddle AgedMultidetector Computed TomographyReproducibility of ResultsSensitivity and SpecificityTissue DistributionTreatment Outcome