2018
Sorafenib prescribed by gastroenterologists and hepatologists for hepatocellular carcinoma
Kaplan DE, Mehta R, D’Addeo K, Valderrama A, Taddei TH. Sorafenib prescribed by gastroenterologists and hepatologists for hepatocellular carcinoma. Medicine 2018, 97: e9757. PMID: 29369224, PMCID: PMC5794408, DOI: 10.1097/md.0000000000009757.Peer-Reviewed Original ResearchConceptsAdvanced hepatocellular carcinomaHepatocellular carcinomaOverall survivalBarcelona Clinic Liver Cancer (BCLC) systemManagement of HCCVeterans Health Administration hospitalsRetrospective cohort studyFirst-line therapySimilar survival outcomesChild-TurcottePugh scoreComorbidity indexChart abstractionCohort studySurvival benefitSystemic therapyBCLC stagePrimary outcomePrescriber typeSurvival outcomesAdministration HospitalMultivariable modelProvider specialtyCancer stagingHCC diagnosis
2017
Starting Dose of Sorafenib for the Treatment of Hepatocellular Carcinoma: A Retrospective, Multi-Institutional Study
Reiss KA, Yu S, Mamtani R, Mehta R, D'Addeo K, Wileyto EP, Taddei TH, Kaplan DE. Starting Dose of Sorafenib for the Treatment of Hepatocellular Carcinoma: A Retrospective, Multi-Institutional Study. Journal Of Clinical Oncology 2017, 35: jco.2017.73.824. PMID: 28872925, PMCID: PMC5662845, DOI: 10.1200/jco.2017.73.8245.Peer-Reviewed Original ResearchConceptsSorafenib patientsHazard ratioOverall survivalHepatocellular carcinomaPotential confoundersNoninferiority marginEnd-stage liver disease-sodium (MELD-Na) scoreVeterans Health Administration hospitalsHigher Child-TurcottePotential treatment biasReduced pill burdenComorbidity Index scorePrimary end pointFirst-line therapyGastrointestinal adverse effectsDose of sorafenibSignificant OS differenceAdvanced hepatocellular carcinomaLower overall survivalMultivariate logistic regressionMulti-institutional studyChild-TurcotteOS relativePugh scorePurpose SorafenibSorafenib for hepatocellular carcinoma managed by non-oncologists: Impact on drug exposure and survival.
Kaplan D, Taddei T, Mehta R, D'Addeo K, Aytaman A, Hunt K, Fox R, Baytarian M, Valdarrama A. Sorafenib for hepatocellular carcinoma managed by non-oncologists: Impact on drug exposure and survival. Journal Of Clinical Oncology 2017, 35: 404-404. DOI: 10.1200/jco.2017.35.4_suppl.404.Peer-Reviewed Original ResearchICD9 codesBarcelona Clinic Liver Cancer stageOverall median survival rateInitial dosing regimensLiver Cancer stageMedian survival rateSimilar treatment durationCTP AECOG PSExtrahepatic spreadChild-TurcotteMacrovascular invasionMELD scorePrescriber specialtyReal-world practiceMedian agePharmacy recordsSorafenib exposureBCLC 0Dosing regimensLiver diseaseTumor numberPrescribing practicesHCC patientsCancer stageUp-titration of sorafenib for hepatocellular carcinoma: Impact on duration of exposure and cost.
Kaplan D, Yu S, Taddei T, Reiss K, Mehta R, D'Addeo K, Aytaman A, Hunt K, Fox R, Baytarian M, Valdarrama A. Up-titration of sorafenib for hepatocellular carcinoma: Impact on duration of exposure and cost. Journal Of Clinical Oncology 2017, 35: 385-385. DOI: 10.1200/jco.2017.35.4_suppl.385.Peer-Reviewed Original ResearchDuration of exposureBCLC BICD9 codesBarcelona Clinic Liver Cancer stageInitiation of sorafenibMedian overall survivalLiver Cancer stageLonger exposure durationECOG PSExposure durationUp-titrationChild-TurcotteMELD scoreSorafenib therapyFirst doseOverall survivalPharmacy recordsMedian agePrescription fillsLiver diseaseTumor numberC-HCCEquivalent survivalHCC patientsCancer stage
2016
Recalibrating the Child–Turcotte–Pugh Score to Improve Prediction of Transplant-Free Survival in Patients with Cirrhosis
Kaplan DE, Dai F, Skanderson M, Aytaman A, Baytarian M, D’Addeo K, Fox R, Hunt K, Knott A, Mehta R, Pedrosa M, Pocha C, Valderrama A, Taddei T, for the VOCAL Study Group. Recalibrating the Child–Turcotte–Pugh Score to Improve Prediction of Transplant-Free Survival in Patients with Cirrhosis. Digestive Diseases And Sciences 2016, 61: 3309-3320. PMID: 27405990, PMCID: PMC5067291, DOI: 10.1007/s10620-016-4239-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBilirubinCreatinineDisease ProgressionEnd Stage Liver DiseaseEvidence-Based MedicineFemaleHumansInternational Normalized RatioLiver CirrhosisLiver TransplantationMaleMiddle AgedOdds RatioPrognosisProportional Hazards ModelsRetrospective StudiesSerum AlbuminSeverity of Illness IndexUnited StatesVeteransConceptsTransplant-free survivalHarrell's C-statisticC-statisticPugh scoreChild-TurcotteCTP scoreHighest Harrell's C-statisticsCox proportional hazards modelEvidence-based cutpointProportional hazards modelLong-term survivalEtiology subgroupsSerum creatinineVeteran patientsLaboratory variablesRisk ratioTotal bilirubinHazards modelCirrhosisPatientsLower cutpointsDisease etiologySurvivalCutpointsScores
2015
Development and Performance of an Algorithm to Estimate the Child-Turcotte-Pugh Score From a National Electronic Healthcare Database
Kaplan DE, Dai F, Aytaman A, Baytarian M, Fox R, Hunt K, Knott A, Pedrosa M, Pocha C, Mehta R, Duggal M, Skanderson M, Valderrama A, Taddei TH, Group V. Development and Performance of an Algorithm to Estimate the Child-Turcotte-Pugh Score From a National Electronic Healthcare Database. Clinical Gastroenterology And Hepatology 2015, 13: 2333-2341.e6. PMID: 26188137, PMCID: PMC4655141, DOI: 10.1016/j.cgh.2015.07.010.Peer-Reviewed Original ResearchConceptsCTP scoreAdministrative databasesChild-TurcottePugh scoreVeterans Health Administration Corporate Data WarehouseLaboratory dataCox proportional hazards regressionSeverity of ascitesTransplant-free survivalSeverity IndexInternational normalized ratioClinical laboratory valuesHarrell's C-statisticProportional hazards regressionDiseases version 9U.S. Veterans Health AdministrationVeterans Health AdministrationMulticenter collaborative studyLarge administrative databaseLong-term survivalDisease severity scoreValidity of diagnosesCorporate Data WarehouseElectronic healthcare databasesCommon Procedural Terminology
2014
Mo1036 Development and Validation of a Virtual Child-Turcotte-Pugh Score to Assess Liver Disease Severity in an Administrative Healthcare Database
Kaplan D, Taddei T, Skanderson M, Pocha C, Pedrosa M, Mehta R, Knott A, Hunt K, Fox R, Duggal M, Dai F, D K, Baytarian M, Valderrama A, Aytaman A. Mo1036 Development and Validation of a Virtual Child-Turcotte-Pugh Score to Assess Liver Disease Severity in an Administrative Healthcare Database. Gastroenterology 2014, 146: s-992. DOI: 10.1016/s0016-5085(14)63605-2.Peer-Reviewed Original Research