2023
Differential Effect of Consolidative Thoracic Radiation Therapy in Extensive-Stage Small Cell Lung Cancer Based on Sex
Jairam V, Soulos P, Madhav K, Gross C, Slotman B, Chiang A, Park H. Differential Effect of Consolidative Thoracic Radiation Therapy in Extensive-Stage Small Cell Lung Cancer Based on Sex. Advances In Radiation Oncology 2023, 9: 101413. PMID: 38778819, PMCID: PMC11110031, DOI: 10.1016/j.adro.2023.101413.Peer-Reviewed Original ResearchExtensive-stage small-cell lung cancerConsolidative thoracic radiotherapyProgression-free survivalSmall cell lung cancerCell lung cancerCREST trialThoracic radiotherapyLung cancerElectronic health record-derived databaseFirst-line systemic therapyStandard first-line treatmentCox proportional hazards regressionFirst-line treatmentNational practice patternsProportional hazards regressionSuperior OSInitial chemotherapyBaseline characteristicsSystemic therapyMale patientsFemale patientsPatient sexHazards regressionSurvival outcomesPractice patterns
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 status
2020
Revisiting the Radiation Therapy Oncology Group 1221 Hypothesis: Treatment for Stage III/IV HPV-Negative Oropharyngeal Cancer
Jacobs D, Torabi SJ, Park HS, Rahmati R, Young MR, Mehra S, Judson BL. Revisiting the Radiation Therapy Oncology Group 1221 Hypothesis: Treatment for Stage III/IV HPV-Negative Oropharyngeal Cancer. Otolaryngology 2020, 164: 1240-1248. PMID: 33198564, DOI: 10.1177/0194599820969613.Peer-Reviewed Original ResearchConceptsNational Cancer DatabaseHPV-negative oropharyngeal cancersChemoradiation therapyOverall survivalCancer DatabaseOropharyngeal cancerHPV-negative oropharyngeal squamous cell carcinomaLarge national cancer databaseNeck cancer-specific survivalOropharyngeal squamous cell carcinomaCox proportional hazards regressionKaplan-Meier survival analysisCancer-specific survivalImproved overall survivalMultivariable Cox regressionRetrospective cohort studyAdjuvant chemoradiation therapyUse of surgeryEnd Results ProgramProportional hazards regressionSquamous cell carcinomaSEER cohortAdjuvant therapyCohort studySEER databasePrimary 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 management
2018
Upfront surgery versus definitive chemoradiotherapy in patients with human Papillomavirus-associated oropharyngeal squamous cell cancer
Kelly JR, Park HS, An Y, Yarbrough WG, Contessa JN, Decker R, Mehra S, Judson BL, Burtness B, Husain Z. Upfront surgery versus definitive chemoradiotherapy in patients with human Papillomavirus-associated oropharyngeal squamous cell cancer. Oral Oncology 2018, 79: 64-70. PMID: 29598952, DOI: 10.1016/j.oraloncology.2018.02.017.Peer-Reviewed Original ResearchConceptsNational Cancer DatabasePrimary surgeryOverall survivalAdjuvant chemoradiotherapyDefinitive chemoradiotherapyUpfront surgerySurgical patientsHuman papillomavirus-associated oropharyngeal squamous cell carcinomaOropharyngeal squamous cell carcinomaPropensity score-matched analysisOropharyngeal squamous cell cancerCox proportional hazards regressionMultivariable Cox regressionNon-private insuranceInferior overall survivalMargin-negative resectionSquamous cell cancerProportional hazards regressionSquamous cell carcinomaLog-rank testChi-square testClinicopathologic predictorsSimilar OSSurgery patientsTrimodal therapy
2017
Adjuvant Therapy Use and Survival in Stage II Endometrial Cancer
Lester-Coll NH, Young MR, Park HS, Ratner ES, Litkouhi B, Damast S. Adjuvant Therapy Use and Survival in Stage II Endometrial Cancer. International Journal Of Gynecological Cancer 2017, 27: 1904-1911. PMID: 28763364, DOI: 10.1097/igc.0000000000001095.Peer-Reviewed Original ResearchConceptsReceipt of chemotherapyEndometrioid endometrial carcinomaNational Cancer Data BaseImproved overall survivalRole of chemotherapyOverall survivalAdjuvant chemotherapyAdjuvant treatmentStage II endometrial cancerCox proportional hazards regressionPropensity scoreAdjuvant therapy useGrade 3 diseaseStage II patientsProportional hazards regressionWorse overall survivalMultivariable logistic regressionKaplan-Meier estimatesLog-rank testAdjuvant radiotherapyExcellent prognosisLymphovascular invasionObservational cohortEEC patientsEndometrial cancerUse of Alternative Medicine for Cancer and Its Impact on Survival
Johnson SB, Park HS, Gross CP, Yu JB. Use of Alternative Medicine for Cancer and Its Impact on Survival. Journal Of The National Cancer Institute 2017, 110: djx145. PMID: 28922780, DOI: 10.1093/jnci/djx145.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsBreast NeoplasmsChoice BehaviorColorectal NeoplasmsComorbidityComplementary TherapiesEducational StatusFemaleHumansIncomeLung NeoplasmsMaleNeoplasm StagingNorthwestern United StatesPacific StatesPatient PreferenceProstatic NeoplasmsResidence CharacteristicsSex FactorsSurvival RateConceptsConventional cancer treatmentsAlternative medicineColorectal cancerCox proportional hazards regressionGreater riskLower comorbidity scoreMultivariable logistic regressionProportional hazards regressionPatterns of utilizationHigher socioeconomic statusNonmetastatic breastComorbidity scoreHormone therapyCurable cancerHazards regressionLung cancerAM useAnticancer treatmentStage IICancerIndependent covariatesLogistic regressionPatientsCancer treatmentSocioeconomic statusUse of alternative medicine for cancer and its impact on survival.
Johnson S, Gross C, Park H, Yu J. Use of alternative medicine for cancer and its impact on survival. Journal Of Clinical Oncology 2017, 35: e18175-e18175. DOI: 10.1200/jco.2017.35.15_suppl.e18175.Peer-Reviewed Original ResearchCharlson-Deyo comorbidity scoreConventional cancer treatmentsNational Cancer DatabaseAlternative medicineColorectal cancerCancer treatmentComorbidity scoreCox proportional hazards regressionGreater riskNon-metastatic breastYear of diagnosisAlternative medicine useKaplan-Meier methodSubgroup of patientsAlternative medicine utilizationProportional hazards regressionCancer patient characteristicsDisease-related factorsLog-rank testAnti-cancer treatmentChi-square testPatterns of utilizationHigher socioeconomic statusHormone therapyOverall survivalHypofractionated Radiotherapy for Patients with Early-Stage Glottic Cancer: Patterns of Care and Survival
Bledsoe TJ, Park HS, Stahl JM, Yarbrough WG, Burtness BA, Decker RH, Husain ZA. Hypofractionated Radiotherapy for Patients with Early-Stage Glottic Cancer: Patterns of Care and Survival. Journal Of The National Cancer Institute 2017, 109: djx042. PMID: 28521361, DOI: 10.1093/jnci/djx042.Peer-Reviewed Original ResearchConceptsEarly-stage glottic cancerOverall survivalGlottic cancerMultivariable Cox proportional hazards regressionNational Comprehensive Cancer Network guidelinesNational Cancer Data BaseCox proportional hazards regressionPropensity scoreClinical T1 diseaseImproved overall survivalHigh-volume centersProportional hazards regressionLog-rank testPatterns of careRadiation treatment schedulesLarge national databaseCT2 diseaseDefinitive radiotherapyT1 diseaseHypofractionated radiotherapyImproved survivalMultivariable analysisTreatment patternsHazards regressionNetwork guidelines
2016
Spine Stereotactic Body Radiotherapy Outcomes in Patients with Concurrent Brain Metastases
Colaco RJ, Park HS, Laurans MS, Chiang VS, Yu JB, Husain ZA. Spine Stereotactic Body Radiotherapy Outcomes in Patients with Concurrent Brain Metastases. Cureus 2016, 8: e679. PMID: 27563505, PMCID: PMC4985044, DOI: 10.7759/cureus.679.Peer-Reviewed Original ResearchSpine stereotactic body radiotherapyConcurrent brain metastasisStereotactic body radiotherapyOverall survivalSpine metastasesLocal controlBrain metastasesMultivariable analysisOne-year local controlOne-year overall survivalCox proportional hazards regressionMedian patient ageProportional hazards regressionLog-rank testMann-Whitney testCBM patientsSurvival prognosticatorPain controlComplete stagingPatient ageSpinal metastasesClinical outcomesHazards regressionRadioresistant histologiesBody radiotherapyThe effect of microscopic margin status on survival in adult retroperitoneal soft tissue sarcomas
Stahl JM, Corso CD, Park HS, An Y, Rutter CE, Han D, Roberts KB. The effect of microscopic margin status on survival in adult retroperitoneal soft tissue sarcomas. European Journal Of Surgical Oncology 2016, 43: 168-174. PMID: 27335080, DOI: 10.1016/j.ejso.2016.05.031.Peer-Reviewed Original ResearchConceptsSoft tissue sarcomasOverall survivalR1 resectionR0 resectionMargin statusNational Cancer Data BaseRetroperitoneal soft tissue sarcomaCox proportional hazards regressionPropensity scoreMultivariable logistic regression modelMedian overall survivalMicroscopic margin statusPre-operative RTReceipt of RTUnderwent R0 resectionSuperior overall survivalSmaller tumor sizeLow tumor gradeProportional hazards regressionLog-rank testRetroperitoneal soft tissueLogistic regression modelsLiposarcoma histologyR1 patientsRadiotherapy receiptWho benefits from chemoradiation in stage III–IVA endometrial cancer? An analysis of the National Cancer Data Base
Lester-Coll NH, Park HS, Rutter CE, Corso CD, Young MR, Ratner ES, Litkouhi B, Decker RH, Yu JB, Damast S. Who benefits from chemoradiation in stage III–IVA endometrial cancer? An analysis of the National Cancer Data Base. Gynecologic Oncology 2016, 142: 54-61. PMID: 27151429, DOI: 10.1016/j.ygyno.2016.04.544.Peer-Reviewed Original ResearchConceptsAdvanced endometrial cancerImproved overall survivalNational Cancer Data BaseOverall survivalHistologic gradeEndometrial cancerCox proportional hazards regressionPropensity scoreMultivariable subgroup analysisSignificant OS benefitGrade 1 patientsProportional hazards regressionKaplan-Meier estimatesLog-rank testLack of benefitOS benefitAdjuvant therapyStage IIIAStage IVAFIGO stageAdjuvant CRTHazards regressionTumor sizeRegional radiotherapySubgroup analysisConcurrent chemoradiotherapy versus radiotherapy alone for “biopsy‐only” glioblastoma multiforme
Kole AJ, Park HS, Yeboa DN, Rutter CE, Corso CD, Aneja S, Lester-Coll NH, Mancini BR, Knisely JP, Yu JB. Concurrent chemoradiotherapy versus radiotherapy alone for “biopsy‐only” glioblastoma multiforme. Cancer 2016, 122: 2364-2370. PMID: 27172136, DOI: 10.1002/cncr.30063.Peer-Reviewed Original ResearchConceptsPropensity score-matched analysisConcurrent chemoradiotherapySignificant OS benefitOverall survivalGlioblastoma multiformeOS benefitUS National Cancer Data BaseMultivariable Cox proportional hazards regressionNational Cancer Data BaseCox proportional hazards regressionImproved overall survivalStandard postoperative therapyProportional hazards regressionMultivariable logistic regressionLog-rank testStandard of careChi-square testClinicopathologic predictorsPostoperative therapySurgical resectionImproved survivalMedian ageMultivariable analysisHazards regressionNational cohort
2015
Role of Chemoradiotherapy in Elderly Patients With Limited-Stage Small-Cell Lung Cancer
Corso CD, Rutter CE, Park HS, Lester-Coll NH, Kim AW, Wilson LD, Husain ZA, Lilenbaum RC, Yu JB, Decker RH. Role of Chemoradiotherapy in Elderly Patients With Limited-Stage Small-Cell Lung Cancer. Journal Of Clinical Oncology 2015, 33: 4240-4246. PMID: 26481366, PMCID: PMC4678178, DOI: 10.1200/jco.2015.62.4270.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAgedAged, 80 and overAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsChemoradiotherapyComorbidityDatabases, FactualFemaleHumansKaplan-Meier EstimateLung NeoplasmsMaleNeoplasm StagingOdds RatioPropensity ScoreRetrospective StudiesSex FactorsSmall Cell Lung CarcinomaTime FactorsTreatment OutcomeUnited StatesConceptsElderly patientsOverall survivalSurvival benefitLung cancerLimited-stage small cell lung cancerCancer clinical stage IClinical stage III diseaseNational Cancer Data BaseCox proportional hazards regressionPropensity scoreSmall cell lung cancerLarge population-based cohortLimited-Stage SmallRole of chemoradiotherapyClinical stage IStage III diseaseUse of chemoradiotherapyCell lung cancerPopulation-based cohortProportional hazards regressionLog-rank testMixed-effects logistic regressionLarge national databaseOS advantageSequential chemoradiotherapyPatients Selected for Definitive Concurrent Chemoradiation at High-volume Facilities Achieve Improved Survival in Stage III Non–Small-Cell Lung Cancer
Wang EH, Rutter CE, Corso CD, Decker RH, Wilson LD, Kim AW, Yu JB, Park HS. Patients Selected for Definitive Concurrent Chemoradiation at High-volume Facilities Achieve Improved Survival in Stage III Non–Small-Cell Lung Cancer. Journal Of Thoracic Oncology 2015, 10: 937-943. PMID: 25738221, DOI: 10.1097/jto.0000000000000519.Peer-Reviewed Original ResearchConceptsDefinitive concurrent chemoradiation therapyConcurrent chemoradiation therapyHigh-volume facilitiesNon-small cell lung cancerStage III NSCLC patientsCell lung cancerOverall survivalNSCLC patientsLung cancerStage III non-small cell lung cancerHigher Charlson-Deyo comorbidity scoresCharlson-Deyo comorbidity scoreNational Cancer Data BaseCox proportional hazards regressionFacility case volumeImproved overall survivalAdvanced nodal stageDefinitive concurrent chemoradiationKaplan-Meier analysisPopulation-based survivalMultivariable logistic regressionProportional hazards regressionRisk of deathIntensity-modulated radiotherapyAcademic affiliation
2014
Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases
Park HS, Decker RH, Wilson LD, Yu JB. Prophylactic Cranial Irradiation for Patients With Locally Advanced Non–Small-Cell Lung Cancer at High Risk for Brain Metastases. Clinical Lung Cancer 2014, 16: 292-297. PMID: 25499149, DOI: 10.1016/j.cllc.2014.11.005.Peer-Reviewed Original ResearchConceptsProphylactic cranial irradiationLA-NSCLC patientsSequential landmark analysesCell lung cancerBrain metastasesHigh riskCranial irradiationSurvival benefitLung cancerLandmark analysisEffect of PCICox proportional hazards regressionNon-PCI patientsOverall survival benefitEnd Results (SEER) databaseHigh-risk patientsStage III NSCLCGroup of patientsProportional hazards regressionLog-rank testSignificant survival differenceImmortal time biasPopulation-based analysisAdult patientsOnly patients