2024
Development of a Longitudinal Prostate Cancer Transcriptomic and Clinical Data Linkage
Leapman M, Ho J, Liu Y, Filson C, Zhao X, Hakansson A, Proudfoot J, Davicioni E, Martin D, An Y, Seibert T, Lin D, Spratt D, Cooperberg M, Ross A, Sprenkle P. Development of a Longitudinal Prostate Cancer Transcriptomic and Clinical Data Linkage. JAMA Network Open 2024, 7: e2417274. PMID: 38874922, PMCID: PMC11179136, DOI: 10.1001/jamanetworkopen.2024.17274.Peer-Reviewed Original ResearchConceptsElectronic health recordsCancer diagnosisClinical data linkageMedicine Clinical TermsPatterns of careProstate cancer diagnosisRadical prostatectomyCancer risk stratificationData linkageHealth recordsClinical dataMain OutcomesCancer outcomesClinical juncturesClinical careCommon Procedural Terminology codesAdministrative dataDiagnosis codesLongitudinal clinical dataCohort studyPharmacy recordsGenomic classifierProcedural Terminology codesDevelopment of prostate cancer metastasisLinkage dataThe effect of a fermented soy beverage among patients with localized prostate cancer prior to radical prostatectomy
Lokeshwar S, Ali A, Weiss T, Reynolds J, Shuch B, Ferencz T, Kyriakides T, Mehal W, Brito J, Renzulli J, Leapman M. The effect of a fermented soy beverage among patients with localized prostate cancer prior to radical prostatectomy. BMC Urology 2024, 24: 102. PMID: 38702664, PMCID: PMC11067086, DOI: 10.1186/s12894-024-01483-y.Peer-Reviewed Original ResearchConceptsEnd-of-studyProstate cancerRadical prostatectomyTreatment armsDouble-blind randomized trialProstate cancer characteristicsSurgical margin statusLocalized prostate cancerFACT-P scoresBaseline to end-of-studySerum PSACAPRA scoreGleason scorePSA levelsPlacebo-controlledMedium-chain triglyceridesPrimary endpointIntermediate riskClinical stageMargin statusSerum testosteroneRandomization armFACT-PRisk strataITT analysisArea Vulnerability and Disparities in Therapy for Patients With Metastatic Renal Cell Carcinoma
Rahman S, Long J, Westvold S, Leapman M, Spees L, Hurwitz M, McManus H, Gross C, Wheeler S, Dinan M. Area Vulnerability and Disparities in Therapy for Patients With Metastatic Renal Cell Carcinoma. JAMA Network Open 2024, 7: e248747. PMID: 38687479, PMCID: PMC11061765, DOI: 10.1001/jamanetworkopen.2024.8747.Peer-Reviewed Original ResearchConceptsMetastatic renal cell carcinomaArea-level measuresRenal cell carcinomaPatient-level factorsSystemic therapyEthnic disparitiesRelative risk ratiosSocially vulnerable areasCell carcinomaMeasures of social vulnerabilityMedicare beneficiariesCohort studyFee-for-service Medicare Parts AOdds ratioReceipt of systemic therapyLogistic regressionArea-level characteristicsAssociated with lack of treatmentNon-Hispanic blacksRetrospective cohort studyIndividual-level demographicsNon-Hispanic whitesAssociated with disparitiesUS Medicare beneficiariesMeasures of disadvantage
2023
Prostate cancer risk stratification using magnetic resonance imaging–ultrasound fusion vs systematic prostate biopsy
Khajir G, Press B, Lokeshwar S, Ghabili K, Rahman S, Gardezi M, Washington S, Cooperberg M, Sprenkle P, Leapman M. Prostate cancer risk stratification using magnetic resonance imaging–ultrasound fusion vs systematic prostate biopsy. JNCI Cancer Spectrum 2023, 7: pkad099. PMID: 38085220, PMCID: PMC10733209, DOI: 10.1093/jncics/pkad099.Peer-Reviewed Original ResearchConceptsMagnetic resonance imaging-ultrasound fusionMRF-TBLow-risk diseaseSystematic biopsyLower riskRisk groupingProstate biopsyActive surveillanceHigh riskProstate cancer risk stratificationIntermediate-risk criteriaIntermediate-risk diseaseSystematic prostate biopsyCancer risk stratificationPrimary study objectiveNCCN guidelinesImage-guided approachLocalized cancerRisk stratificationBenign findingsProstate cancerClinical riskDiagnostic yieldRetrospective analysisBiopsySurvival outcomes of patients treated with local therapy for nonmetastatic prostate cancer with high prostate‐specific antigen concentrations
Ślusarczyk A, Baboudjian M, Zapała P, Yanagisawa T, Miszczyk M, Chlosta M, Krumpoeck P, Moschini M, Gandaglia G, Ploussard G, Rivas J, Życzkowski M, Karakiewicz P, Radziszewski P, Leapman M, Shariat S, Rajwa P. Survival outcomes of patients treated with local therapy for nonmetastatic prostate cancer with high prostate‐specific antigen concentrations. The Prostate 2023, 83: 1504-1515. PMID: 37545342, DOI: 10.1002/pros.24609.Peer-Reviewed Original ResearchConceptsHigher PSA levelsNonmetastatic prostate cancerLocal therapyRadical prostatectomyPSA levelsOverall survivalProstate cancerGood long-term oncological outcomesHigher prostate-specific antigen levelLong-term oncological outcomesProstate-specific antigen levelProstate-specific antigen concentrationCS estimatesInitial local therapyRadical local therapyUnderwent radical prostatectomyEnd Results (SEER) databaseKaplan-Meier methodLong-term outcomesIndependent prognostic valueISUP grade groupCox proportional hazardsImproved CSSPrimary radiotherapyOncological outcomesRelative Burden of Cancer and Noncancer Mortality Among Long-Term Survivors of Breast, Prostate, and Colorectal Cancer in the US
Kc M, Fan J, Hyslop T, Hassan S, Cecchini M, Wang S, Silber A, Leapman M, Leeds I, Wheeler S, Spees L, Gross C, Lustberg M, Greenup R, Justice A, Oeffinger K, Dinan M. Relative Burden of Cancer and Noncancer Mortality Among Long-Term Survivors of Breast, Prostate, and Colorectal Cancer in the US. JAMA Network Open 2023, 6: e2323115. PMID: 37436746, PMCID: PMC10339147, DOI: 10.1001/jamanetworkopen.2023.23115.Peer-Reviewed Original ResearchConceptsLong-term survivorsCancer-specific mortalityColorectal cancerCancer cohortReceptor statusInitial diagnosisGleason scoreProstate cancerBreast cancerLong-term adult survivorsMedian cancer-specific survivalEnd Results cancer registryProstate-specific antigen levelRectal cancer cohortCancer-specific survivalStage III diseaseYear of diagnosisProgesterone receptor statusEstrogen receptor statusProportion of deathsSurvival time ratioEarly-stage cancerNononcologic outcomesIndex cancerLocalized diseaseLocal Therapeutics for the Treatment of Oligo Metastatic Prostate Cancer
Jalfon M, Sakhalkar O, Lokeshwar S, Marks V, Choksi A, Klaassen Z, Leapman M, Kim I. Local Therapeutics for the Treatment of Oligo Metastatic Prostate Cancer. Current Urology Reports 2023, 24: 455-461. PMID: 37369828, DOI: 10.1007/s11934-023-01173-6.Peer-Reviewed Original ResearchConceptsOligometastatic prostate cancerCytoreductive radical prostatectomyMetastatic prostate cancerProstate cancerLocal therapyRadiation therapySystemic therapyClinical trialsDe novo metastatic prostate cancerProgression-free survivalWidespread metastatic diseaseStandard of careRecent FindingsTo dateClinician decision makingCytoreductive prostatectomySystemic chemotherapyMetastatic diseaseWidespread metastasesRetrospective studyRadical prostatectomyEarly treatmentLocal treatmentTreatment selectionTherapyPatientsPersonalizing approaches to the management of metastatic hormone sensitive prostate cancer: role of advanced imaging, genetics and therapeutics
Lokeshwar S, Choksi A, Haltstuch D, Rahman S, Press B, Syed J, Hurwitz M, Kim I, Leapman M. Personalizing approaches to the management of metastatic hormone sensitive prostate cancer: role of advanced imaging, genetics and therapeutics. World Journal Of Urology 2023, 41: 2007-2019. PMID: 37160450, DOI: 10.1007/s00345-023-04409-9.Peer-Reviewed Original ResearchConceptsMetastatic hormone-sensitive prostate cancerAndrogen deprivation therapyHormone-sensitive prostate cancerSensitive prostate cancerPositron emission tomographyConventional computerized tomographyDocetaxel chemotherapyClinical trialsProstate cancerCombination of ADTBackbone of treatmentCytoreductive radical prostatectomySequencing of therapyFirst-line treatmentEvaluation of patientsClinical practice guidelinesOngoing clinical trialsAndrogen receptor antagonistPubMed Medline databaseDeprivation therapyInitial managementOverall survivalStaging evaluationBone scanRandomized trialsDisparities in immune and targeted therapy utilization for older US patients with metastatic renal cell carcinoma
Chow R, Long J, Hassan S, Wheeler S, Spees L, Leapman M, Hurwitz M, McManus H, Gross C, Dinan M. Disparities in immune and targeted therapy utilization for older US patients with metastatic renal cell carcinoma. JNCI Cancer Spectrum 2023, 7: pkad036. PMID: 37202354, PMCID: PMC10276895, DOI: 10.1093/jncics/pkad036.Peer-Reviewed Original ResearchConceptsOral anticancer agentsTherapy utilizationMedicare beneficiariesNon-Hispanic white raceMetastatic renal cell carcinomaNon-Hispanic black raceOlder US patientsUS Medicare beneficiariesRenal cell carcinomaLogistic regression modelsTherapy receiptMultivariable adjustmentSystemic therapyMale sexUS patientsCell carcinomaStudy criteriaBlack raceFemale sexPatient raceWhite raceImmunotherapyOutcomes persistSexPatientsA vision for closing the evidence-practice gap in the management of low-grade prostate cancer
Leapman M, Loeb S, Cooperberg M, Catalona W, Gaylis F. A vision for closing the evidence-practice gap in the management of low-grade prostate cancer. JNCI Cancer Spectrum 2023, 7: pkad028. PMID: 37101361, PMCID: PMC10133397, DOI: 10.1093/jncics/pkad028.Peer-Reviewed Original ResearchUse 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 ResearchConceptsIntermediate-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 factorsEnvironmental Impact of Prostate Magnetic Resonance Imaging and Transrectal Ultrasound Guided Prostate Biopsy
Leapman M, Thiel C, Gordon I, Nolte A, Perecman A, Loeb S, Overcash M, Sherman J. Environmental Impact of Prostate Magnetic Resonance Imaging and Transrectal Ultrasound Guided Prostate Biopsy. European Urology 2023, 83: 463-471. PMID: 36635108, DOI: 10.1016/j.eururo.2022.12.008.Peer-Reviewed Original ResearchConceptsProstate magnetic resonance imagingMagnetic resonance imagingSystematic biopsyProstate biopsyProstate biopsy procedureResonance imagingBiopsy coresTransrectal Ultrasound Guided Prostate BiopsyBiopsy procedureMultiparametric magnetic resonance imagingUnnecessary prostate biopsiesBiparametric magnetic resonance imagingOutpatient urology clinicNumber of biopsiesGuided Prostate BiopsyAcademic medical centerHealth care facilitiesEvidence-based approachUrology clinicClinical managementMedical CenterTriage strategiesClinical careTransrectal ultrasoundBiopsyProstate cancer disparities among American Indians and Alaskan Natives in the United States
Chu C, Leapman M, Zhao S, Cowan J, Washington S, Cooperberg M. Prostate cancer disparities among American Indians and Alaskan Natives in the United States. Journal Of The National Cancer Institute 2023, 115: 413-420. PMID: 36629492, PMCID: PMC10086629, DOI: 10.1093/jnci/djad002.Peer-Reviewed Original ResearchConceptsProstate cancer-specific mortalityProstate-specific antigenAlaska Native patientsCancer-specific mortalityGleason scoreNative patientsDefinitive treatmentWhite patientsProstate cancerTreatment accessAlaska NativesProvider densityHigher prostate-specific antigenAdvanced prostate cancerPatterns of careExternal beam radiationAmerican IndiansProstate cancer disparitiesCounty-level demographicsHealth policy interventionsLower ratesMultivariable adjustmentBaseline characteristicsPathologic factorsWorse survivalProstate cancer risk, screening and management in patients with germline BRCA1/2 mutations
Rajwa P, Quhal F, Pradere B, Gandaglia G, Ploussard G, Leapman M, Gore J, Paradysz A, Tilki D, Merseburger A, Morgan T, Briganti A, Palapattu G, Shariat S. Prostate cancer risk, screening and management in patients with germline BRCA1/2 mutations. Nature Reviews Urology 2023, 20: 205-216. PMID: 36600087, DOI: 10.1038/s41585-022-00680-4.Peer-Reviewed Original ResearchConceptsProstate cancer riskBRCA1/2 mutation carriersMagnetic resonance imagingProstate cancerMutation carriersCancer riskProspective studyBRCA2 mutationsProstate cancer-specific mortalityProstate specific antigen measurementsCancer-specific mortalityProstate cancer incidenceAggressive clinical behaviorProstate cancer screeningRisk stratification strategiesLong-term resultsSignificant prostate cancerOptimal screening strategyGermline BRCA1/2 mutationsOptimal screening protocolProstate magnetic resonance imagingQuality of lifeBRCA2 tumor suppressor genesOverall survivalDisease characteristics
2022
Incidence of circumcision among insured adults in the United States
Nabavizadeh B, Li KD, Hakam N, Shaw NM, Leapman MS, Breyer BN. Incidence of circumcision among insured adults in the United States. PLOS ONE 2022, 17: e0275207. PMID: 36251658, PMCID: PMC9576047, DOI: 10.1371/journal.pone.0275207.Peer-Reviewed Original ResearchConceptsAdult circumcisionIncidence rateAge-standardized incidence ratesIncidence of circumcisionAverage incidence rateYears of ageWide geographic variationInsured adultsCommon indicationIBM MarketScanMean ageDiseases codesInternational ClassificationHigh incidenceAge groupsIncidenceStudy periodCircumcisionRitual circumcisionUnited StatesPhimosisSurgeryBalanoposthitisHigh rateFuture studies
2018
Association Between Prostate Magnetic Resonance Imaging and Observation for Low-risk Prostate Cancer
Leapman MS, Wang R, Park HS, Yu JB, Weinreb JC, Gross CP, Ma X. Association Between Prostate Magnetic Resonance Imaging and Observation for Low-risk Prostate Cancer. Urology 2018, 124: 98-106. PMID: 30107188, DOI: 10.1016/j.urology.2018.07.041.Peer-Reviewed Original ResearchConceptsLow-risk prostate cancerProstate magnetic resonance imagingMagnetic resonance imagingProstate cancerDefinitive treatmentPCa diagnosisEnd Results-Medicare databaseResonance imagingMultivariable logistic regression analysisPropensity scoreDiagnosis of PCaUse of MRIConditional logistic regression modelsLogistic regression analysisLogistic regression modelsInitial managementMultivariable analysisGreater oddsPatientsSocioeconomic statusDiagnosisHigher likelihoodRegression analysisDemographic factorsCancer
2017
Association between a 17-gene genomic prostate score and multi-parametric prostate MRI in men with low and intermediate risk prostate cancer (PCa)
Leapman MS, Westphalen AC, Ameli N, Lawrence HJ, Febbo PG, Cooperberg MR, Carroll PR. Association between a 17-gene genomic prostate score and multi-parametric prostate MRI in men with low and intermediate risk prostate cancer (PCa). PLOS ONE 2017, 12: e0185535. PMID: 29016610, PMCID: PMC5634556, DOI: 10.1371/journal.pone.0185535.Peer-Reviewed Original ResearchConceptsGenomic Prostate ScoreIntermediate-risk prostate cancerRisk prostate cancerProstate cancerMean apparent diffusion coefficientApparent diffusion coefficientPattern 3Prostate MRISuspicion of malignancyGleason pattern 3Multi-parametric prostate MRIMultiple comparison testFive-tier scaleDunn's multiple comparison testMpMRI findingsMRI findingsMRI groupMRI scoresActive surveillanceDominant lesionStromal responseMRI categoryAndrogen signalingKruskal-Wallis testSignificant associationActive Surveillance in Younger Men With Prostate Cancer
Leapman MS, Cowan JE, Nguyen HG, Shinohara KK, Perez N, Cooperberg MR, Catalona WJ, Carroll PR. Active Surveillance in Younger Men With Prostate Cancer. Journal Of Clinical Oncology 2017, 35: jco.2016.68.005. PMID: 28346806, PMCID: PMC5466007, DOI: 10.1200/jco.2016.68.0058.Peer-Reviewed Original ResearchConceptsBiopsy-based Gleason scoreActive surveillanceAssociation of ageProstate cancerDefinitive treatmentRadical prostatectomyYounger patientsGleason scoreMultivariable Cox proportional hazards regressionYounger ageLow-risk prostate cancerCox proportional hazards regressionGleason score upgradeInitial active surveillanceRelated end pointsCox regression analysisKaplan-Meier methodYounger patient ageProportional hazards regressionPrimary study objectiveInitial biopsyMedian agePatient ageHazards regressionBiochemical outcomes
2016
Application of a Prognostic Gleason Grade Grouping System to Assess Distant Prostate Cancer Outcomes
Leapman MS, Cowan JE, Simko J, Roberge G, Stohr BA, Carroll PR, Cooperberg MR. Application of a Prognostic Gleason Grade Grouping System to Assess Distant Prostate Cancer Outcomes. European Urology 2016, 71: 750-759. PMID: 27940155, DOI: 10.1016/j.eururo.2016.11.032.Peer-Reviewed Original ResearchConceptsRisk of PCSMGleason grade groupBone metastasesProstate Strategic Urologic Research Endeavor (CaPSURE) registryGroup ICox proportional hazards modelGrade groupBone metastatic progressionGrade group IPrimary androgen deprivationPrognostic grade groupingKaplan-Meier methodProstate cancer outcomesProportional hazards modelGroup VProstate cancer pathologyNondefinitive therapyDefinitive therapyConservative managementUnadjusted riskAndrogen deprivationGleason sumGleason scoreCancer outcomesGrouping systemPathological and Biochemical Outcomes among African-American and Caucasian Men with Low Risk Prostate Cancer in the SEARCH Database: Implications for Active Surveillance Candidacy
Leapman MS, Freedland SJ, Aronson WJ, Kane CJ, Terris MK, Walker K, Amling CL, Carroll PR, Cooperberg MR. Pathological and Biochemical Outcomes among African-American and Caucasian Men with Low Risk Prostate Cancer in the SEARCH Database: Implications for Active Surveillance Candidacy. Journal Of Urology 2016, 196: 1408-1414. PMID: 27352635, PMCID: PMC5542578, DOI: 10.1016/j.juro.2016.06.086.Peer-Reviewed Original ResearchConceptsAfrican American raceLow-risk prostate cancerAfrican American menRisk prostate cancerCaucasian manProstate cancerPathological upgradingBiochemical recurrenceFive-year recurrence-free survival ratesClinical low‐risk prostate cancerClinical low-risk diseaseRecurrence-free survival ratesCox proportional hazards analysisBiochemical recurrence outcomesEqual-access health systemLow-risk diseaseCohort of patientsLow-risk tumorsPositive surgical marginsProportional hazards analysisSearch databasesSEARCH cohortRecurrence outcomesRisk diseaseRisk tumors