2023
Second malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea
Wang R, Shallis R, Stempel JM, Huntington SF, Zeidan AM, Gore SD, Ma X, Podoltsev NA. Second malignancies among older patients with classical myeloproliferative neoplasms treated with hydroxyurea. Blood Advances 2023, 7: 734-743. PMID: 35917456, PMCID: PMC9989521, DOI: 10.1182/bloodadvances.2022008259.Peer-Reviewed Original ResearchConceptsSecond malignanciesAcute myeloid leukemiaOlder patientsMyelodysplastic syndromeMyeloproliferative neoplasmsHU usersHigh riskPolycythemia veraEssential thrombocythemiaRisk of SMAML/myelodysplastic syndromeClassical Philadelphia chromosome-negative myeloproliferative neoplasmsImpact of hydroxyureaRetrospective cohort studyUse of hydroxyureaPhiladelphia chromosome-negative myeloproliferative neoplasmsClassical myeloproliferative neoplasmsCumulative incidence probabilityCohort studyCytoreductive therapyPatient characteristicsMedian ageHU useMyeloid leukemiaSecondary myelofibrosisUse of Monitoring Tests Among Patients With Localized Prostate Cancer Managed With Observation
Leapman M, Wang R, Loeb S, Seibert T, Gaylis F, Lowentritt B, Brown G, Chen R, Lin D, Witte J, Cooperberg M, Catalona W, Gross C, Ma X. Use of Monitoring Tests Among Patients With Localized Prostate Cancer Managed With Observation. Journal Of Urology 2023, 209: 710-718. PMID: 36753746, DOI: 10.1097/ju.0000000000003159.Peer-Reviewed Original ResearchMeSH KeywordsAgedHumansMaleMedicareProstateProstate-Specific AntigenProstatic NeoplasmsRetrospective StudiesUnited StatesConceptsIntermediate-risk prostate cancerMixed-effects Poisson regressionPSA testingProstate biopsyProstate cancerEffects Poisson regressionMedicare beneficiariesPoisson regressionAdditional prostate biopsyRetrospective cohort studyProstate MRILocalized prostate cancerRepeat prostate biopsyRate of biopsyRace/ethnicityCensus tract povertyMedian followCohort studyMedian ageMonitoring testsProvider factorsPSA testClinical riskBiopsySociodemographic factors
2022
Changes in Prostate-Specific Antigen Testing Relative to the Revised US Preventive Services Task Force Recommendation on Prostate Cancer Screening
Leapman MS, Wang R, Park H, Yu JB, Sprenkle PC, Cooperberg MR, Gross CP, Ma X. Changes in Prostate-Specific Antigen Testing Relative to the Revised US Preventive Services Task Force Recommendation on Prostate Cancer Screening. JAMA Oncology 2022, 8: 41-47. PMID: 34762100, PMCID: PMC8587214, DOI: 10.1001/jamaoncol.2021.5143.Peer-Reviewed Original ResearchConceptsProstate cancer screeningUS Preventive Services Task ForcePSA testingCancer screeningInterrupted time series analysisCohort studyUS Preventive Services Task Force (USPSTF) recommendationDraft statementLarge national cohort studyEligible beneficiariesPSA testing ratesRetrospective cohort studyRate of PSANational cohort studyProstate-specific antigenAge-adjusted ratesTask Force recommendationsUSPSTF guidelinesMedian ageGuideline changesProstate cancerMedian numberMAIN OUTCOMEClaims dataTesting rates
2021
Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management
Leapman MS, Wang R, Park HS, Yu JB, Sprenkle PC, Dinan MA, Ma X, Gross CP. Adoption of New Risk Stratification Technologies Within US Hospital Referral Regions and Association With Prostate Cancer Management. JAMA Network Open 2021, 4: e2128646. PMID: 34623406, PMCID: PMC8501394, DOI: 10.1001/jamanetworkopen.2021.28646.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingHospital referral regionsProportion of patientsProstate cancerGenomic testingCohort studyReferral regionsRetrospective cohort studyProstate cancer carePatient-level analysisCommercial insurance claimsProstate cancer managementUS hospital referral regionsYears of ageProportion of menPatients 40Definitive treatmentCancer careTesting uptakeHRR levelMAIN OUTCOMECancer managementPatientsRegional uptakeSociodemographic and hospital‐based predictors of intense end‐of‐life care among children, adolescents, and young adults with hematologic malignancies
Mun S, Wang R, Ma X, Ananth P. Sociodemographic and hospital‐based predictors of intense end‐of‐life care among children, adolescents, and young adults with hematologic malignancies. Cancer 2021, 127: 3817-3824. PMID: 34185881, PMCID: PMC8478813, DOI: 10.1002/cncr.33764.Peer-Reviewed Original ResearchConceptsHematologic malignanciesYoung adultsLife careMultivariable logistic regression modelCancer-directed treatmentPremier Healthcare DatabaseRetrospective cohort studyEmergency department visitsIntensive care unitHigh-intensity endDays of lifeMajority of childrenLogistic regression modelsIntravenous chemotherapyTracheostomy placementCohort studyDepartment visitsCare unitMechanical ventilationHospital characteristicsMultivariable modelCardiopulmonary resuscitationType of insuranceHealthcare databasesMalignancy
2020
Clinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States
Zeidan AM, Wang R, Wang X, Shallis RM, Podoltsev NA, Bewersdorf JP, Huntington SF, Neparidze N, Giri S, Gore SD, Davidoff AJ, Ma X. Clinical outcomes of older patients with AML receiving hypomethylating agents: a large population-based study in the United States. Blood Advances 2020, 4: 2192-2201. PMID: 32433746, PMCID: PMC7252544, DOI: 10.1182/bloodadvances.2020001779.Peer-Reviewed Original ResearchMeSH KeywordsAgedDecitabineHumansLeukemia, Myeloid, AcuteMedicareRetrospective StudiesTreatment OutcomeUnited StatesConceptsAcute myeloid leukemiaDecitabine-treated patientsTransfusion independenceRed blood cell transfusion independenceLarge population-based studyOlder AML patientsRBC transfusion independenceEnd Results-MedicarePopulation-based studyStandard of careAgent azacitidineMedian survivalOlder patientsIntensive therapyAML patientsClinical outcomesClinical benefitMyeloid leukemiaMortality riskPatientsAzacitidineDecitabineOlder adultsOne-thirdMeaningful differences
2019
Hypomethylating agent (HMA) therapy use and survival in older adults with Refractory Anemia with Excess Blasts (RAEB) in the United States (USA): a large propensity score-matched population-based study†
Davidoff AJ, Hu X, Bewersdorf JP, Wang R, Podoltsev NA, Huntington SF, Gore SD, Ma X, Zeidan AM. Hypomethylating agent (HMA) therapy use and survival in older adults with Refractory Anemia with Excess Blasts (RAEB) in the United States (USA): a large propensity score-matched population-based study†. Leukemia & Lymphoma 2019, 61: 1178-1187. PMID: 31878809, PMCID: PMC7735409, DOI: 10.1080/10428194.2019.1703970.Peer-Reviewed Original ResearchMeSH KeywordsAgedAnemia, Refractory, with Excess of BlastsAzacitidineHumansMedicareMyelodysplastic SyndromesPropensity ScoreRetrospective StudiesUnited StatesConceptsHigh-risk myelodysplastic syndromeExcess blastsRefractory anemiaOverall survival benefitRetrospective cohort studyMedian OSOS benefitRAEB patientsCohort studySurvival benefitTherapy useMyelodysplastic syndromeClinical trialsLower riskMedicare dataPatientsPropensity scoreOlder adultsDiagnosisAnemiaQuartileUnited StatesAssociationEnd resultOSTemporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis
Zeidan AM, Podoltsev NA, Wang X, Bewersdorf JP, Shallis RM, Huntington SF, Gore SD, Davidoff AJ, Ma X, Wang R. Temporal patterns and predictors of receiving no active treatment among older patients with acute myeloid leukemia in the United States: A population‐level analysis. Cancer 2019, 125: 4241-4251. PMID: 31483484, PMCID: PMC7733320, DOI: 10.1002/cncr.32439.Peer-Reviewed Original ResearchMeSH KeywordsAgedFemaleHumansLeukemia, Myeloid, AcuteMaleRetrospective StudiesSEER ProgramUnited StatesConceptsAcute myeloid leukemiaTime of diagnosisOlder patientsActive treatmentMyeloid leukemiaMultivariable logistic regression modelMedian overall survivalPercentage of patientsLow-intensity therapyMajority of patientsNovel therapeutic optionsQuality of careLogistic regression modelsIntensity therapyTherapy receiptOverall survivalWorse survivalClinical factorsInferior survivalEntire cohortTherapeutic optionsPatient populationRetrospective analysisHigher oddsProvider characteristics
2017
Health Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life
Wang R, Zeidan AM, Halene S, Xu X, Davidoff AJ, Huntington SF, Podoltsev NA, Gross CP, Gore SD, Ma X. Health Care Use by Older Adults With Acute Myeloid Leukemia at the End of Life. Journal Of Clinical Oncology 2017, 35: jco.2017.72.714. PMID: 28783450, PMCID: PMC5648174, DOI: 10.1200/jco.2017.72.7149.Peer-Reviewed Original ResearchConceptsAcute myeloid leukemiaDays of lifeEnd of lifeLife careHospice careOlder patientsHospice enrollmentMyeloid leukemiaIntensive care unit admissionMultivariable logistic regression analysisOlder adultsLate hospice enrollmentCare unit admissionRetrospective cohort studyUse of chemotherapyIntensive care unitHealth care useLogistic regression analysisYears of ageUnit admissionAggressive treatmentCohort studyOverall cohortAML diagnosisCare unit
2016
Myelodysplastic Syndromes and Acute Myeloid Leukemia After Radiotherapy for Prostate Cancer: A Population‐Based Study
Wang R, Zeidan AM, Yu JB, Soulos PR, Davidoff AJ, Gore SD, Huntington SF, Gross CP, Ma X. Myelodysplastic Syndromes and Acute Myeloid Leukemia After Radiotherapy for Prostate Cancer: A Population‐Based Study. The Prostate 2016, 77: 437-445. PMID: 27868212, PMCID: PMC5785924, DOI: 10.1002/pros.23281.Peer-Reviewed Original ResearchConceptsMDS/acute myeloid leukemiaAcute myeloid leukemiaProstate cancer patientsElderly prostate cancer patientsImpact of radiotherapyCancer patientsMyelodysplastic syndromeNational Cancer Institute's SurveillanceSubsequent myelodysplastic syndromeEnd Results-MedicareRetrospective cohort studyRole of radiotherapyInformed treatment decisionsUnderwent radiotherapyIMRT groupCohort studyPatient characteristicsMedian timeMyeloid leukemiaProstate cancerTreatment decisionsPatientsRadiotherapyMyeloid malignanciesSurgery
2012
Impact of the 2008 US Preventive Services Task Force Recommendation to Discontinue Prostate Cancer Screening Among Male Medicare Beneficiaries
Ross JS, Wang R, Long JB, Gross CP, Ma X. Impact of the 2008 US Preventive Services Task Force Recommendation to Discontinue Prostate Cancer Screening Among Male Medicare Beneficiaries. JAMA Internal Medicine 2012, 172: 1601-1603. PMID: 22987029, PMCID: PMC3597450, DOI: 10.1001/archinternmed.2012.3726.Peer-Reviewed Original Research