2024
The 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 diseaseProstate 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 survival
2020
Predicting prostate cancer death among 98,994 veterans: Differences by race/ethnicity.
Janet T, Danciu I, Justice A, Leapman M, McMahon B, Wadia R. Predicting prostate cancer death among 98,994 veterans: Differences by race/ethnicity. Journal Of Clinical Oncology 2020, 38: e17609-e17609. DOI: 10.1200/jco.2020.38.15_suppl.e17609.Peer-Reviewed Original ResearchProstate cancer deathNon-Hispanic blacksNon-Hispanic whitesVeterans Affairs Healthcare SystemRace/ethnicityHazard ratioGleason scoreCancer deathProstate cancerU.S. Veterans Affairs healthcare systemProstate cancer disease progressionDistant metastatic diseaseProstate cancer mortalityCancer disease progressionLocalized diseasePSA levelsMedian ageMetastatic diseaseLymph nodesPrognostic indexCancer mortalityTumor stageDisease progressionCox modelAge strata
2018
Outcomes of serial MRI/ultrasound fusion targeted biopsy in men with very low-risk and low-risk prostate cancer managed with active surveillance.
Hsiang W, Ghabili K, Syed J, Nguyen K, Suarez-Sarmiento A, Leapman M, Sprenkle P. Outcomes of serial MRI/ultrasound fusion targeted biopsy in men with very low-risk and low-risk prostate cancer managed with active surveillance. Journal Of Clinical Oncology 2018, 36: 114-114. DOI: 10.1200/jco.2018.36.6_suppl.114.Peer-Reviewed Original ResearchMRI/US fusion biopsyLow-risk prostate cancerNational Comprehensive Cancer NetworkFusion biopsyActive surveillanceSystematic biopsyProstate cancerGleason upgradeMagnetic resonance imagingPSA densitySubsequent biopsyFavorable-risk prostate cancerMRI/ultrasound fusionSerial magnetic resonance imagingProportion of patientsRisk prostate cancerComprehensive Cancer NetworkLow-risk criteriaRisk of reclassificationLogistic regression modelsBiopsy upgradeMedian PSAGleason scoreHigher PSAInstitutional database
2017
Active 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 systemTRUS Biopsy: Is There Still a Role?
Leapman M, Shinohara K. TRUS Biopsy: Is There Still a Role? 2016, 53-67. DOI: 10.1007/978-3-319-21485-6_4.Peer-Reviewed Original ResearchProstate biopsyLateral peripheral zoneTRUS prostate biopsyInitial negative biopsyBiopsy-related complicationsCancer detection rateNovel serum biomarkersNegative predictive valueTRUS-BxPower Doppler imagingClinical parametersNegative biopsySextant biopsyGleason scoreSerum biomarkersUltrasonographic parametersPrognostic informationSuspicious lesionsBiopsy strategyBiopsyDoppler imagingPredictive valueBenign tissueContrast enhancementPeripheral zoneClinical Risk Prediction Tools for Prostate Cancer: TNM to CAPRA—Should Risk Be Redefined?
Leapman M, Cooperberg M. Clinical Risk Prediction Tools for Prostate Cancer: TNM to CAPRA—Should Risk Be Redefined? 2016, 33-52. DOI: 10.1007/978-3-319-21485-6_3.Peer-Reviewed Original ResearchPrimary androgen deprivation therapyClinical risk prediction toolsUCSF-CAPRA scoreAndrogen deprivation therapyRisk stratification toolPretreatment clinical variablesRisk prediction toolsProstate cancer biologyProstate Cancer Risk PredictionCancer risk predictionAdvanced diseaseDeprivation therapyReliable risk estimationClinical characteristicsStratification toolClinical stageClinical variablesGleason scoreOutcomes warrantsRisk groupingPostsurgical settingProstate cancerInternational cohortClinical prognosticationNovel biomarkers