2022
Survival of nonseminomatous germ cell tumors in pediatric patients and young adults – A stage group stratified analysis
Srivastava A, Patel H, Koehne E, Gupta G, Drachtman R, Pierorazio P, Bagrodia A, Elsamra S, Kim I, Ghodoussipour S, Singer E, Jang T, Patel H, Barone J. Survival of nonseminomatous germ cell tumors in pediatric patients and young adults – A stage group stratified analysis. Urologic Oncology Seminars And Original Investigations 2022, 40: 169.e1-169.e12. PMID: 35144865, PMCID: PMC8960351, DOI: 10.1016/j.urolonc.2021.12.012.Peer-Reviewed Original ResearchConceptsNonseminomatous germ cell tumorsCancer-specific survivalGerm cell tumorsCell tumorsStage groupPediatric patientsAdolescent patientsYoung adultsStage IAdvanced nonseminomatous germ cell tumorsSurvival analysisAge groupsWorse cancer-specific survivalCox proportional hazards modelTesticular germ cell tumorsEnd Results (SEER) databaseExcellent survival outcomesStage III tumorsExcellent oncologic outcomesImportant prognostic factorKaplan-Meier curvesCommon solid malignancyProportional hazards modelNSGCT patientsOncologic outcomes
2021
Abrogation of survival disparity between insured and uninsured individuals after the USPSTF's 2012 prostate-specific antigen-based prostate cancer screening recommendation.
Kim I, Kim D, Kim S, Singer E, Jang T, Ghodoussipour S, Aron M, Kim I. Abrogation of survival disparity between insured and uninsured individuals after the USPSTF's 2012 prostate-specific antigen-based prostate cancer screening recommendation. Journal Of Clinical Oncology 2021, 39: 77-77. DOI: 10.1200/jco.2020.39.28_suppl.77.Peer-Reviewed Original ResearchProstate cancer-specific survivalU.S. Preventive Services Task ForceSurvival disparitiesUninsured patientsSocioeconomic quintileProstate cancerInsurance statusMarital statusWorse prostate cancer-specific survivalProstate cancer screening recommendationsCox proportional hazards modelDiagnostic time periodsCancer-specific survivalCancer screening recommendationsProportional hazards modelProstate-specific antigenScreening recommendationsSurvival outcomesInsured patientsWorse outcomesHazards modelPatientsBetter outcomesMedian household incomeUninsured individuals
2020
Individual and joint effects of metformin and statins on mortality among patients with high‐risk prostate cancer
Tan X, E J, Lin Y, Rebbeck T, Lu S, Shang M, Kelly W, D'Amico A, Stein M, Zhang L, Jang T, Kim I, Demissie K, Ferrari A, Lu‐Yao G. Individual and joint effects of metformin and statins on mortality among patients with high‐risk prostate cancer. Cancer Medicine 2020, 9: 2379-2389. PMID: 32035002, PMCID: PMC7131852, DOI: 10.1002/cam4.2862.Peer-Reviewed Original ResearchConceptsHigh-risk PCaPCa mortalityCause mortalityPopulation-based retrospective cohort studyHigh-risk prostate cancerCox proportional hazards modelRetrospective cohort studyHigh-risk patientsFirst human studyProstate cancer metastasisCause of deathProportional hazards modelPre-clinical studiesMetformin useCohort studyProstate cancerStatinsHazards modelHuman studiesPatientsMetforminSignificant associationMortalityPropensity scoreCancer metastasis
2018
Comparative effectiveness of radical prostatectomy with adjuvant radiotherapy versus radiotherapy plus androgen deprivation therapy for men with advanced prostate cancer
Jang T, Patel N, Faiena I, Radadia K, Moore D, Elsamra S, Singer E, Stein M, Eastham J, Scardino P, Lin Y, Kim I, Lu‐Yao G. Comparative effectiveness of radical prostatectomy with adjuvant radiotherapy versus radiotherapy plus androgen deprivation therapy for men with advanced prostate cancer. Cancer 2018, 124: 4010-4022. PMID: 30252932, PMCID: PMC6234085, DOI: 10.1002/cncr.31726.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAndrogen AntagonistsAntineoplastic Agents, HormonalCombined Modality TherapyDisease ProgressionDisease-Free SurvivalFollow-Up StudiesHumansMaleOutcome Assessment, Health CareProstatectomyProstatic NeoplasmsRadiotherapy, AdjuvantSEER ProgramSurvival AnalysisTreatment OutcomeUnited StatesConceptsAndrogen deprivation therapyAdvanced prostate cancerRadical prostatectomyProstate cancerDeprivation therapyOverall survivalUrinary incontinenceErectile dysfunctionProstate cancer-specific survivalProstate cancer-specific deathCox proportional hazards modelCancer-specific survivalCancer-specific deathKaplan-Meier methodSEER-Medicare dataProportional hazards modelDifferent treatment approachesHigh rateAdjuvant radiotherapyTreatment armsSurvival outcomesGleason scoreTumor stageClinical guidelinesHigh riskIndividual and joint effect of postdiagnostic metformin and statin use on prostate cancer mortality among patients with high-risk prostate cancer.
Lu-Yao G, E J, Lin Y, Rebbeck T, Lu S, Kelly W, D'Amico A, Stein M, Zhang L, Kim I, Demissie K, Ferrari A, Tan X. Individual and joint effect of postdiagnostic metformin and statin use on prostate cancer mortality among patients with high-risk prostate cancer. Journal Of Clinical Oncology 2018, 36: 202-202. DOI: 10.1200/jco.2018.36.6_suppl.202.Peer-Reviewed Original ResearchHigh-risk CaPCAP mortalityM1 diseaseHazard ratioTime-varying Cox proportional hazards modelsHigh-risk prostate cancerCox proportional hazards modelHigh-risk CaP.Post-diagnostic useProstate cancer mortalityUse of statinsPopulation-based studyEffect of statinsProstate cancer metastasisCause of deathProportional hazards modelMetformin useSEER databaseRandomized trialsCancer mortalityProstate cancerMedicare filesStatinsHazards modelMetformin
2017
Local Therapy Improves Overall Survival in Patients With Newly Diagnosed Metastatic Prostate Cancer
Parikh R, Byun J, Goyal S, Kim I. Local Therapy Improves Overall Survival in Patients With Newly Diagnosed Metastatic Prostate Cancer. The Prostate 2017, 77: 559-572. PMID: 28093791, DOI: 10.1002/pros.23294.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseMetastatic prostate cancerLocal therapyOverall survivalProstate cancerRadiation therapyMultivariable Cox proportional hazards modelsLower co-morbidity scoreFive-year overall survivalCox proportional hazards modelAcademic/research programCo-morbidity scoreSuperior overall survivalNode-negative statusProspective clinical trialsKaplan-Meier methodLower T stagePatterns of careProportional hazards modelPropensity-score matchingPrimary diseaseT stageMedicare insuranceGleason scoreCancer Database