2021
Overall survival based on oncologist density in the United States: A retrospective cohort study
Malleshappa S, Giri S, Patel S, Mehta T, Appleman L, Huntington SF, Passero V, Parikh RA, Mehta KD. Overall survival based on oncologist density in the United States: A retrospective cohort study. PLOS ONE 2021, 16: e0250894. PMID: 33979399, PMCID: PMC8115849, DOI: 10.1371/journal.pone.0250894.Peer-Reviewed Original ResearchConceptsRetrospective cohort studyHPSA designationOverall survivalCohort studyMedian survivalPrimary careHealth professional shortage area (HPSA) designationsCare servicesShortage Area DesignationEnd Results (SEER) databaseKaplan-Meier methodMetastatic solid cancersMetastatic solid tumorsAmerican Medical Association MasterfileLog-rank testPrimary care servicesAreas of needPatients' median survivalHealth service availabilityHealth care servicesNumber of oncologistsAdult patientsInferior survivalSurveillance EpidemiologyResults database
2020
Chromosome 1 abnormalities and survival of patients with multiple myeloma in the era of novel agents
Giri S, Huntington SF, Wang R, Zeidan AM, Podoltsev N, Gore SD, Ma X, Gross CP, Davidoff AJ, Neparidze N. Chromosome 1 abnormalities and survival of patients with multiple myeloma in the era of novel agents. Blood Advances 2020, 4: 2245-2253. PMID: 32442299, PMCID: PMC7252537, DOI: 10.1182/bloodadvances.2019001425.Peer-Reviewed Original ResearchConceptsHigh-risk chromosomal abnormalitiesOverall survivalMultiple myelomaChromosome 1 abnormalitiesCox proportional hazards regression modelHigh-risk multiple myelomaProportional hazards regression modelsFlatiron Health databaseR-ISS stageMedian overall survivalFirst-line therapyDays of diagnosisInferior overall survivalInternational Staging SystemKaplan-Meier methodSurvival of patientsWorse overall survivalLog-rank testHazards regression modelsCommon genetic aberrationsElectronic health recordsEligible patientsContemporary cohortImmunomodulatory agentsStaging system
2019
Chromosome 1 abnormalities and clinical outcomes in multiple myeloma in the era of novel agents.
Giri S, Huntington S, Wang R, Zeidan A, Podoltsev N, Gore S, Ma X, Gross C, Davidoff A, Neparidze N. Chromosome 1 abnormalities and clinical outcomes in multiple myeloma in the era of novel agents. Journal Of Clinical Oncology 2019, 37: 8044-8044. DOI: 10.1200/jco.2019.37.15_suppl.8044.Peer-Reviewed Original ResearchOverall survivalMultiple myelomaPerformance statusMultivariable Cox survival analysisMedian overall survivalPoor performance statusLines of therapyKaplan-Meier methodCox regression analysisDays of diagnosisWorse overall survivalCox survival analysisLog-rank testReal-world treatmentCommon genetic mutationsHigh-risk mutationsSitu hybridization testingElectronic health recordsISS stageReal-world practiceMedian ageMeier methodOS independentPrimary outcomeSpecific regimens
2018
Does Provider Experience Treating Patients (pts) with Myelodysplastic Syndromes (MDS) Explain Duration of Hypomethylating Agent (HMA) Therapy and Overall Survival (OS)? A Large Population-Based Analysis
Zeidan A, Hu X, Zhu W, Stahl M, Giri S, Huntington S, Wang R, Podoltsev N, Gore S, Ma X, Davidoff A. Does Provider Experience Treating Patients (pts) with Myelodysplastic Syndromes (MDS) Explain Duration of Hypomethylating Agent (HMA) Therapy and Overall Survival (OS)? A Large Population-Based Analysis. Blood 2018, 132: 370. DOI: 10.1182/blood-2018-99-111052.Peer-Reviewed Original ResearchHMA cyclesOverall survivalHMA initiationHMA therapyMyelodysplastic syndromeProvider typeCancer CenterMD volumeMultivariate Cox proportional hazardsKaplan-Meier log-rank testAZA-001 trialMedian overall survivalTwo-sided statistical testsLog-rank testReal-world survivalCox proportional hazardsLogistic regression analysisWilcoxon rank sum testChi-square testCommunity-based practiceRank sum testEligible ptsLookback periodEarly discontinuationAgent therapyUse of Statins, Survival and Incidence of Thrombosis Among Older Adults with Polycythemia Vera: A Population-Based Study
Podoltsev N, Zhu M, Wang R, Zeidan A, Wang X, Davidoff A, Huntington S, Giri S, Gore S, Ma X. Use of Statins, Survival and Incidence of Thrombosis Among Older Adults with Polycythemia Vera: A Population-Based Study. Blood 2018, 132: 3580. DOI: 10.1182/blood-2018-99-119272.Peer-Reviewed Original ResearchStatin usersImpact of statinsLog-rank testRisk of thrombosisOverall survivalPercentage of daysPV patientsMyeloproliferative neoplasmsPV diagnosisMultivariate Cox proportional hazards modelContinuous Medicare Parts ACox proportional hazards modelCardiovascular risk factorsEnd Results-MedicareErythropoietin-independent erythroid colony formationBetter overall survivalKaplan-Meier curvesType of statinPopulation-based cohortNumber of phlebotomiesEnd of studyProportional hazards modelPart DMedicare Part AHealth maintenance organizationUse of Statins, Survival and Incidence of Thrombosis Among Older Adults with Essential Thrombocythemia: A Population-Based Study
Podoltsev N, Zhu M, Wang R, Zeidan A, Wang X, Huntington S, Giri S, Davidoff A, Gore S, Ma X. Use of Statins, Survival and Incidence of Thrombosis Among Older Adults with Essential Thrombocythemia: A Population-Based Study. Blood 2018, 132: 4865. DOI: 10.1182/blood-2018-99-119118.Peer-Reviewed Original ResearchUse of statinsIncidence of thrombosisStatin usersLog-rank testRisk of thrombosisOverall survivalEssential thrombocythemiaET diagnosisPercentage of daysHydrophilic statinsOlder adultsET patientsMultivariate Cox proportional hazards modelLarge population-based cohort studyContinuous Medicare Parts APopulation-based cohort studyCox proportional hazards modelEnd Results-MedicareErythropoietin-independent erythroid colony formationBetter overall survivalKaplan-Meier curvesPopulation-based cohortEnd of studyProportional hazards modelPart D