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 analysis
2023
Relative 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 disease
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