2022
Immunotherapy After Chemotherapy and Radiation for Clinical Stage III Lung Cancer
Pichert MD, Canavan ME, Maduka RC, Li AX, Ermer T, Zhan PL, Kaminski M, Udelsman BV, Blasberg JD, Park HS, Goldberg SB, Boffa DJ. Immunotherapy After Chemotherapy and Radiation for Clinical Stage III Lung Cancer. JAMA Network Open 2022, 5: e2224478. PMID: 35925606, PMCID: PMC9353596, DOI: 10.1001/jamanetworkopen.2022.24478.Peer-Reviewed Original ResearchConceptsStage III non-small cell lung cancerNon-small cell lung cancerClinical stage III non-small cell lung cancerUnresectable stage III non-small cell lung cancerPropensity-matched sampleGeneral US populationSurvival advantageCohort studyLung cancerMultivariable Cox proportional hazards modelsUS populationStage III lung cancerMedian age 66 yearsCox proportional hazards modelNational Cancer DatabaseEfficacy of immunotherapyAge 66 yearsProtocol rangesCell lung cancerClinical trial populationsProportional hazards modelTerms of ageImmunotherapy initiationImmunotherapy recipientsImmunotherapy useChanges 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
Prognostic impact of mismatch repair deficiency in high- and low-intermediate-risk, early-stage endometrial cancer following vaginal brachytherapy
Li JY, Park HS, Huang GS, Young MR, Ratner E, Santin A, Damast S. Prognostic impact of mismatch repair deficiency in high- and low-intermediate-risk, early-stage endometrial cancer following vaginal brachytherapy. Gynecologic Oncology 2021, 163: 557-562. PMID: 34602287, DOI: 10.1016/j.ygyno.2021.09.018.Peer-Reviewed Original ResearchConceptsRecurrence-free survivalEndometrioid endometrial cancerVaginal brachytherapyPMMR patientsOverall survivalEEC patientsEndometrial cancerExact testThree-year recurrence-free survivalEarly-stage endometrial cancerCox proportional hazards regressionPoor recurrence-free survivalAdjuvant vaginal brachytherapyThree-year OSMultivariable Cox regressionLympho-vascular invasionSignificant prognostic variablesProportional hazards regressionLog-rank testKaplan-Meier estimatesDeficient mismatch repairMismatch repair statusFisher's exact testMismatch repair deficiencyDMMR statusAdoption 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 uptakePost-operative radiation therapy for non-small cell lung cancer: A comparison of radiation therapy techniques
Jairam V, Pasha S, Soulos PR, Gross CP, Yu JB, Park HS, Decker RH. Post-operative radiation therapy for non-small cell lung cancer: A comparison of radiation therapy techniques. Lung Cancer 2021, 161: 171-179. PMID: 34607209, DOI: 10.1016/j.lungcan.2021.09.010.Peer-Reviewed Original ResearchConceptsPost-operative radiation therapyNon-small cell lung cancerCell lung cancerRadiation therapyPropensity-score matchingLA-NSCLCCardiac toxicityLung cancerAdvanced non-small cell lung cancerClinical risk factorsProportion of patientsMultivariable logistic regressionPrior treatment historyPredictors of receiptUse of IMRTConformal radiation therapyLong-term toxicityChi-squared testRadiation therapy techniquesRadiotherapy treatment techniquesUpfront surgeryElderly patientsTreatment toxicityMean ageMedicare databaseAssociation of Epigenetic Age Acceleration With Risk Factors, Survival, and Quality of Life in Patients With Head and Neck Cancer
Xiao C, Miller AH, Peng G, Levine ME, Conneely KN, Zhao H, Eldridge RC, Wommack EC, Jeon S, Higgins KA, Shin DM, Saba NF, Smith AK, Burtness B, Park HS, Irwin ML, Ferrucci LM, Ulrich B, Qian DC, Beitler JJ, Bruner DW. Association of Epigenetic Age Acceleration With Risk Factors, Survival, and Quality of Life in Patients With Head and Neck Cancer. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: 157-167. PMID: 33882281, PMCID: PMC8802868, DOI: 10.1016/j.ijrobp.2021.04.002.Peer-Reviewed Original ResearchConceptsProgression-free survivalBody mass indexQuality of lifeHigher epigenetic age accelerationTreatment-related symptomsOverall survivalEpigenetic age accelerationRadiation therapyRisk factorsClinical characteristicsNeck cancerAge accelerationWorse overall survivalHuman papilloma virusFaster biological agingAdverse eventsDistant metastasisLifestyle factorsMass indexCancer outcomesBlood biomarkersPapilloma virusFunctional assessmentHigher HRPatientsPrevalence of Missing Data in the National Cancer Database and Association With Overall Survival
Yang DX, Khera R, Miccio JA, Jairam V, Chang E, Yu JB, Park HS, Krumholz HM, Aneja S. Prevalence of Missing Data in the National Cancer Database and Association With Overall Survival. JAMA Network Open 2021, 4: e211793. PMID: 33755165, PMCID: PMC7988369, DOI: 10.1001/jamanetworkopen.2021.1793.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseNon-small cell lung cancerOverall survivalCell lung cancerCancer DatabaseMedical recordsLung cancerProstate cancerBreast cancerPatient recordsComplete dataRetrospective cohort studyCohort studyCancer RegistryCommon cancerVariables of interestHigh prevalenceMAIN OUTCOMEPatientsClinical advancementReal-world data sourcesCancerPrevalenceSurvivalHeterogeneous differencesEvaluation of head and neck soft tissue sarcoma 8th edition pathologic staging system and proposal of a novel stage grouping system
Lee NCJ, Eskander A, Miccio JA, Park HS, Shah C, Rutenberg M, Hosni A, Husain ZA. Evaluation of head and neck soft tissue sarcoma 8th edition pathologic staging system and proposal of a novel stage grouping system. Oral Oncology 2021, 114: 105137. PMID: 33422859, DOI: 10.1016/j.oraloncology.2020.105137.Peer-Reviewed Original ResearchConceptsNeck soft tissue sarcomasTumor size cutNational Cancer DatabaseSoft tissue sarcomasMultivariable analysisTissue sarcomasFive-year overall survivalNeoadjuvant therapy patientsT1-3 tumorsEnd Results (SEER) databaseAdjacent structuresEvaluation of headPaucity of dataNCDB cohortSEER cohortPrimary surgeryOverall survivalWorsened survivalAdverse prognosticatorPrognostic differencesResults databaseStaging systemT4 classificationTumor stageCancer Database
2020
Primary Treatment Selection for Clinically Node-Negative Merkel Cell Carcinoma of the Head and Neck
Jacobs D, Olino K, Park HS, Clune J, Cheraghlou S, Girardi M, Burtness B, Kluger H, Judson BL. Primary Treatment Selection for Clinically Node-Negative Merkel Cell Carcinoma of the Head and Neck. Otolaryngology 2020, 164: 1214-1221. PMID: 33079010, DOI: 10.1177/0194599820967001.Peer-Reviewed Original ResearchConceptsNode-negative Merkel cell carcinomaLymph node evaluationImproved overall survivalPrimary tumor excisionMerkel cell carcinomaCase volumeOverall survivalSurgical managementCell carcinomaTumor excisionTreatment selectionNode evaluationCox proportional hazards regressionGuideline-recommended carePrimary treatment selectionNational Cancer DatabaseNode-negative diseasePercentage of patientsRetrospective cohort analysisInitial surgical managementKaplan-Meier analysisWide local excisionProportional hazards regressionRates of receiptInitial managementQuantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients
Miccio JA, Talcott WJ, Jairam V, Park HS, Yu JB, Leapman MS, Johnson SB, King MT, Nguyen PL, Kann BH. Quantifying treatment selection bias effect on survival in comparative effectiveness research: findings from low-risk prostate cancer patients. Prostate Cancer And Prostatic Diseases 2020, 24: 414-422. PMID: 32989262, DOI: 10.1038/s41391-020-00291-3.Peer-Reviewed Original ResearchConceptsProstate cancer-specific survivalLow-risk prostate cancerExternal beam radiotherapyTreatment selection biasOverall survivalRadical prostatectomyProstate cancerOS differenceLow-risk prostate cancer patientsCancer-specific survivalEnd Results (SEER) databaseProstate cancer patientsClinical trial designEffectiveness researchComparative effectiveness researchPropensity-score matchingMethodsThe SurveillanceTreatment guidelinesResults databaseEntire cohortResultsA totalCancer patientsTreatment modalitiesNational registryPatient managementNational Patterns in Prescription Opioid Use and Misuse Among Cancer Survivors in the United States
Jairam V, Yang DX, Verma V, Yu JB, Park HS. National Patterns in Prescription Opioid Use and Misuse Among Cancer Survivors in the United States. JAMA Network Open 2020, 3: e2013605. PMID: 32804217, PMCID: PMC7431994, DOI: 10.1001/jamanetworkopen.2020.13605.Peer-Reviewed Original ResearchConceptsPrescription opioid usePrescription opioid misuseRecent cancer survivorsOpioid useCancer survivorsAdult cancer survivorsOpioid misuseUse disordersHigher prescription opioid useRecent cancer historyCancer-related painHistory of cancerPopulation-based studyNonmelanoma skin cancerDrug use disordersCross-sectional studyAlcohol use disorderLong-term misusePrescription opioidsCancer historyMAIN OUTCOMESkin cancerDrug useYounger ageCancerNationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases
Jairam V, Lee V, Yu JB, Park HS. Nationwide Patterns of Pathologic Fractures Among Patients Hospitalized With Bone Metastases. American Journal Of Clinical Oncology 2020, 43: 720-726. PMID: 32694296, DOI: 10.1097/coc.0000000000000737.Peer-Reviewed Original ResearchConceptsPathologic fractureBone metastasesMultiple myelomaUtilization Project National Inpatient SampleLonger inpatient staysMultivariable logistic regressionNational Inpatient SampleIntrahepatic bile ductsRenal pelvis cancerRenal cell carcinomaProphylactic stabilizationHospital admissionPrimary cancerBile ductInpatient stayPelvis cancerCell carcinomaInpatient SamplePrimary diagnosisRisk factorsBaseline differencesOutpatient monitoringHigh riskHealthcare costsPatientsNationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation
Lee V, Jairam V, Yu JB, Park HS. Nationwide patterns of hemorrhagic stroke among patients hospitalized with brain metastases: influence of primary cancer diagnosis and anticoagulation. Scientific Reports 2020, 10: 10084. PMID: 32572113, PMCID: PMC7308286, DOI: 10.1038/s41598-020-67316-8.Peer-Reviewed Original ResearchConceptsBrain metastasesLong-term anticoagulationIntracerebral hemorrhageKidney cancerHigh riskUtilization Project Nationwide Inpatient SampleDiagnosis of ICHHospital-related characteristicsRisks of anticoagulationPrimary cancer diagnosisMultivariable logistic regressionNationwide Inpatient SampleLonger lengthDiagnosis of melanomaMann-Whitney UHemorrhagic strokeNeurologic dysfunctionConcurrent diagnosisSignificant morbiditySecondary diagnosisInpatient SampleBaseline differencesDecreased qualityAnticoagulationHealthcare costsNational trends in the management of patients with positive surgical margins at radical prostatectomy
Ghabili K, Park HS, Yu JB, Sprenkle PC, Kim SP, Nguyen KA, Ma X, Gross CP, Leapman MS. National trends in the management of patients with positive surgical margins at radical prostatectomy. World Journal Of Urology 2020, 39: 1141-1151. PMID: 32562045, DOI: 10.1007/s00345-020-03298-6.Peer-Reviewed Original ResearchConceptsAndrogen deprivation therapyPositive surgical marginsUse of ADTPost-prostatectomy radiation therapyRadiation therapySurgical marginsRadical prostatectomyInitial courseNode-negative prostate cancerPost-operative radiation therapyMultivariable logistic regression modelNational Cancer DatabaseAdverse pathologic featuresManagement of patientsPost-operative managementLogistic regression modelsDeprivation therapySurgical cancersPrimary endpointRT useSecondary endpointsPathologic characteristicsPathologic featuresUninsured statusCancer DatabaseAdjuvant external beam radiotherapy for surgically resected, nonmetastatic anaplastic thyroid cancer
Saeed NA, Kelly JR, Deshpande HA, Bhatia AK, Burtness BA, Judson BL, Mehra S, Edwards HA, Yarbrough WG, Peter PR, Holt EH, Decker RH, Husain ZA, Park HS. Adjuvant external beam radiotherapy for surgically resected, nonmetastatic anaplastic thyroid cancer. Head & Neck 2020, 42: 1031-1044. PMID: 32011055, DOI: 10.1002/hed.26086.Peer-Reviewed Original ResearchConceptsAnaplastic thyroid cancerLonger OSAdjuvant EBRTThyroid cancerAdjuvant external beam radiotherapyNational Cancer DatabaseExternal beam radiotherapyConcurrent chemoradiationConcurrent chemotherapyImproved survivalMedian ageCancer DatabaseRetrospective analysisBeam radiotherapyEBRTChemotherapyPatientsCancerUVAChemoradiationResectionRadiotherapy
2019
Emergency Department Visits for Opioid Overdoses Among Patients With Cancer
Jairam V, Yang DX, Yu JB, Park HS. Emergency Department Visits for Opioid Overdoses Among Patients With Cancer. Journal Of The National Cancer Institute 2019, 112: 938-943. PMID: 31845985, PMCID: PMC7492769, DOI: 10.1093/jnci/djz233.Peer-Reviewed Original ResearchConceptsOpioid-related ED visitsED visitsEmergency departmentOpioid overdoseComorbid diagnosesUtilization Project Nationwide Emergency Department SampleMultivariable logistic regression analysisNationwide Emergency Department SampleHigh opioid useOpioid-related visitsPrimary disease siteEmergency department visitsEmergency Department SampleLogistic regression analysisSubstance use disordersOpioid useDepartment visitsChronic painMultiple myelomaNeck cancerPrimary diagnosisRisk factorsPatient visitsBaseline differencesOpioid overdosesImpact of contralateral lymph nodal involvement and extranodal extension on survival of surgically managed HPV-positive oropharyngeal cancer staged with the AJCC eighth edition
Miccio JA, Verma V, Kelly J, Kann BH, An Y, Park HS, Eskander A, Burtness B, Husain Z. Impact of contralateral lymph nodal involvement and extranodal extension on survival of surgically managed HPV-positive oropharyngeal cancer staged with the AJCC eighth edition. Oral Oncology 2019, 99: 104447. PMID: 31630059, DOI: 10.1016/j.oraloncology.2019.104447.Peer-Reviewed Original ResearchConceptsOropharyngeal squamous cell carcinomaExtranodal extensionLymphovascular invasionKaplan-Meier overall survival analysisContralateral lymph node involvementHPV-positive oropharyngeal cancerFuture staging systemsNational Cancer DatabaseLymph node involvementLymph nodal involvementSquamous cell carcinomaAJCC eighth editionOverall survival analysisPathologic nodalInferior OSNodal involvementNode involvementWorse OSClinical stagingPrognostic factorsOropharyngeal cancerPositive marginsPrognostic importanceCell carcinomaCox regressionOutcomes following Lower Extremity Amputation in Patients with Diabetes Mellitus and Peripheral Arterial Disease
Pourghaderi P, Yuquimpo KM, Roginski Guetter C, Mansfield L, Park HS. Outcomes following Lower Extremity Amputation in Patients with Diabetes Mellitus and Peripheral Arterial Disease. Annals Of Vascular Surgery 2019, 63: 259-268. PMID: 31626926, DOI: 10.1016/j.avsg.2019.08.084.Peer-Reviewed Original ResearchConceptsPeripheral arterial diseaseLower extremity amputationConcurrent diabetes mellitusDiabetes mellitusArterial diseaseExtremity amputationPresence of PADUtilization Project Nationwide Inpatient SampleICD-9 procedure codesNationwide Inpatient SampleBest practice careAdult patientsPatient characteristicsPostoperative outcomesSuch comorbiditiesAdditional patientsClinical outcomesMultivariable analysisEmergency admissionsMean agePatient morbidityPatient populationInpatient SampleHospital characteristicsHigh incidenceClinical Outcomes of Head and Neck Cancer Patients Who Undergo Resection, But Forgo Adjuvant Therapy
LOGANADANE G, KANN BH, PARK HS, JOHNSON SB, MEHRA S, JUDSON BL, BHATIA A, BELKACEMI Y, YARBROUGH WG, BURTNESS B, HUSAIN ZA. Clinical Outcomes of Head and Neck Cancer Patients Who Undergo Resection, But Forgo Adjuvant Therapy. Anticancer Research 2019, 39: 4885-4890. PMID: 31519591, DOI: 10.21873/anticanres.13674.Peer-Reviewed Original ResearchConceptsLocoregional recurrence-free survivalAdjuvant therapyNeck squamous cell carcinomaOutcomes of patientsRecurrence-free survivalSquamous cell carcinomaNeck cancer patientsHNSCC patientsClinical outcomesRecurrence rateCell carcinomaMean TTPCancer patientsPatientsTherapyResectionMonthsOutcomesHNSCCSurgeryCarcinomaHeadIncidenceProgressionOverall survival is improved when DCIS accompanies invasive breast cancer
Kole AJ, Park HS, Johnson SB, Kelly JR, Moran MS, Patel AA. Overall survival is improved when DCIS accompanies invasive breast cancer. Scientific Reports 2019, 9: 9934. PMID: 31289308, PMCID: PMC6616329, DOI: 10.1038/s41598-019-46309-2.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBiomarkers, TumorBreast NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Intraductal, NoninfiltratingCarcinoma, LobularCombined Modality TherapyFemaleFollow-Up StudiesHumansMiddle AgedNeoplasm InvasivenessPrognosisReceptor, ErbB-2Receptors, EstrogenReceptors, ProgesteroneRetrospective StudiesSurvival RateConceptsInvasive ductal carcinomaOverall survivalDCIS componentDuctal carcinomaBreast cancerER/PR positivityPure invasive ductal carcinomasMultivariable Cox modelingReceipt of mastectomyNational Cancer DatabaseSuperior overall survivalNode-negative diseaseBetter overall survivalInvasive breast cancerFavorable clinical characteristicsTreatment-related variablesUseful prognostic factorBreast cancer patientsInvasive tumor sizeDifferent biological behaviorPR positivityClinical characteristicsNegative diseaseCox modelingPrognostic factors