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 ResearchMeSH KeywordsCarcinoma, Squamous CellCohort StudiesCombined Modality TherapyFemaleHumansMaleMiddle AgedNeoplasm StagingOropharyngeal NeoplasmsPapillomavirus InfectionsRetrospective StudiesConceptsNational 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 databaseQuantifying 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 management
2019
Clinical 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
2018
Clinical value of transoral robotic surgery: Nationwide results from the first 5 years of adoption
Li H, Torabi SJ, Park HS, Yarbrough WG, Mehra S, Choi R, Judson BL. Clinical value of transoral robotic surgery: Nationwide results from the first 5 years of adoption. The Laryngoscope 2018, 129: 1844-1855. PMID: 30575965, DOI: 10.1002/lary.27740.Peer-Reviewed Original ResearchMeSH KeywordsCarcinoma, Squamous CellChemoradiotherapy, AdjuvantChi-Square DistributionCombined Modality TherapyDatabases, FactualFemaleHumansKaplan-Meier EstimateMaleMargins of ExcisionMiddle AgedMultivariate AnalysisNatural Orifice Endoscopic SurgeryNeoplasm StagingOropharyngeal NeoplasmsProportional Hazards ModelsRegression AnalysisRetrospective StudiesRobotic Surgical ProceduresTreatment OutcomeUnited StatesConceptsOropharyngeal squamous cell carcinomaTransoral robotic surgeryTransoral laser microsurgeryNonrobotic surgeryTORS patientsPositive marginsTLM patientsLower likelihoodT2 oropharyngeal squamous cell carcinomaEarly stage oropharyngeal squamous cell carcinomaLong-term oncologic outcomesUse of TORSKaplan-Meier log-rank testRobotic surgeryNational Cancer DatabaseMajority of patientsMultivariate Cox analysisSquamous cell carcinomaLog-rank testChi-square testCox multivariateN3 diseaseAdjuvant chemoradiotherapyAdjuvant radiotherapyAdjuvant therapyComplementary Medicine, Refusal of Conventional Cancer Therapy, and Survival Among Patients With Curable Cancers
Johnson SB, Park HS, Gross CP, Yu JB. Complementary Medicine, Refusal of Conventional Cancer Therapy, and Survival Among Patients With Curable Cancers. JAMA Oncology 2018, 4: 1375-1381. PMID: 30027204, PMCID: PMC6233773, DOI: 10.1001/jamaoncol.2018.2487.Peer-Reviewed Original ResearchConceptsConventional cancer treatmentsUse of CMOverall survivalComplementary medicineHormone therapyTreatment delayCharlson-Deyo comorbidity scoreCancer treatmentCancer-accredited centersNational Cancer DatabaseCharacteristics of patientsYear of diagnosisRetrospective observational studyConventional cancer therapiesHigh refusal rateRace/ethnicityNonmetastatic breastComorbidity scorePatient characteristicsCurable cancerEntire cohortColorectal cancerCancer DatabaseInsurance typeObservational studyAdjuvant Chemotherapy Is Associated With Improved Survival for Late‐Stage Salivary Squamous Cell Carcinoma
Cheraghlou S, Schettino A, Zogg CK, Otremba MD, Bhatia A, Park HS, Osborn HA, Mehra S, Yarbrough WG, Judson BL. Adjuvant Chemotherapy Is Associated With Improved Survival for Late‐Stage Salivary Squamous Cell Carcinoma. The Laryngoscope 2018, 129: 883-889. PMID: 30151947, DOI: 10.1002/lary.27444.Peer-Reviewed Original ResearchMeSH KeywordsAgedCarcinoma, Squamous CellChemoradiotherapy, AdjuvantChemotherapy, AdjuvantCombined Modality TherapyFemaleHumansKaplan-Meier EstimateMaleMiddle AgedNeoplasm StagingPropensity ScoreProportional Hazards ModelsRadiotherapy, AdjuvantRetrospective StudiesSalivary Gland NeoplasmsSurvival RateTreatment OutcomeConceptsLate-stage patientsSquamous cell carcinomaAdjuvant radiotherapyAdjuvant therapyAdjuvant chemoradiotherapyAdjuvant chemotherapyImproved survivalCell carcinomaImproved long-term survivalCox survival regressionPrimary cutaneous malignanciesUnique disease entityAddition of chemotherapyNational Cancer DatabaseEarly-stage diseaseFive-year survivalEarly-stage patientsKaplan-Meier analysisParotid gland cancerLate stage groupLong-term survivalSurvival benefitCutaneous malignanciesPoor prognosisRetrospective studyPatterns of failure in high-metastatic node number human papillomavirus-positive oropharyngeal carcinoma
Lee NCJ, Kelly JR, Park HS, An Y, Judson BL, Burtness BA, Husain ZA. Patterns of failure in high-metastatic node number human papillomavirus-positive oropharyngeal carcinoma. Oral Oncology 2018, 85: 35-39. PMID: 30220317, DOI: 10.1016/j.oraloncology.2018.08.001.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBrachytherapyCarcinoma, Squamous CellCombined Modality TherapyFemaleFollow-Up StudiesHumansLymphatic MetastasisMaleMiddle AgedNeck DissectionNeoplasm MetastasisNeoplasm Recurrence, LocalOropharyngeal NeoplasmsPapillomavirus InfectionsProgression-Free SurvivalProportional Hazards ModelsRadiotherapy, AdjuvantRetrospective StudiesSalvage TherapyConceptsProgression-free survivalInvolved lymph nodesDistant metastasisPatterns of failureLocoregional recurrenceLymph nodesHuman papillomavirus-positive oropharyngeal carcinomaMultivariate analysisEdition American Joint CommitteeRate of DMWorse progression-free survivalHigh DM rateDedicated clinical trialsAmerican Joint CommitteeCancer (AJCC) staging systemProportional hazards regressionExternal beam radiationOropharynx cancerFree survivalNeck dissectionOropharyngeal carcinomaOverall survivalDisease recurrenceIntraoperative brachytherapyOPC patients
2017
Annual Facility Treatment Volume and Patient Survival for Mycosis Fungoides and Sézary Syndrome
Kann BH, Park HS, Yeboa DN, Aneja S, Girardi M, Foss FM, Roberts KB, Wilson LD. Annual Facility Treatment Volume and Patient Survival for Mycosis Fungoides and Sézary Syndrome. Clinical Lymphoma Myeloma & Leukemia 2017, 17: 520-526.e2. PMID: 28655598, DOI: 10.1016/j.clml.2017.05.017.Peer-Reviewed Original ResearchConceptsMF/SSOverall survivalSézary syndromeHazard ratioImproved survivalMycosis fungoidesPatient survivalHighest quintileLowest quintileTreatment volumeImproved overall survivalMultivariable Cox regressionNational Cancer DatabaseKaplan-Meier methodAnnual patient volumeNational database analysisLog-rank testContinuous variablesMedian followMultivariable analysisCox regressionOS survivalCancer DatabasePatientsPatient volumeRole of Adjuvant Treatment in Esophageal Cancer With Incidental Pathologic Node Positivity
Gao SJ, Park HS, Corso CD, Rutter CE, Kim AW, Johung KL. Role of Adjuvant Treatment in Esophageal Cancer With Incidental Pathologic Node Positivity. The Annals Of Thoracic Surgery 2017, 104: 267-274. PMID: 28456393, DOI: 10.1016/j.athoracsur.2017.01.092.Peer-Reviewed Original ResearchConceptsMargin-positive patientsSurgical resectionEsophageal cancer patientsMargin-negative patientsAdjuvant treatmentChemoradiation therapyOverall survivalCarcinoma patientsCancer patientsMultivariable Cox regression analysisNational Cancer Data BaseSquamous cell carcinoma patientsPathologic nodal involvementPathologic node positivityConcurrent chemoradiation therapyAdjuvant chemoradiation therapyCell carcinoma patientsEsophageal carcinoma patientsCox regression analysisFurther prospective studiesOptimal adjuvant treatmentLog-rank testKaplan-Meier estimationAdjuvant chemotherapyN0 patientsPredictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer.
Kole AJ, Stahl JM, Park HS, Khan SA, Johung KL. Predictors of Nonadherence to NCCN Guideline Recommendations for the Management of Stage I Anal Canal Cancer. Journal Of The National Comprehensive Cancer Network 2017, 15: 355-362. PMID: 28275036, DOI: 10.6004/jnccn.2017.0035.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsAnus NeoplasmsCombined Modality TherapyDatabases, FactualDisease ManagementFemaleHumansMaleMedication AdherenceMiddle AgedNeoplasm GradingNeoplasm StagingOdds RatioPractice Guidelines as TopicPrognosisProportional Hazards ModelsRisk FactorsTreatment OutcomeConceptsAnal canal cancerAnal cancerNCCN recommendationsSurgical proceduresNCCN Clinical Practice GuidelinesNational Cancer Data BaseGuideline-discordant careAnal canal carcinomaPredictors of nonadherenceClinical practice guidelinesHigh tumor gradeLow-grade tumorsLogistic regression modelingNon-academic facilitiesChi-square testDefinitive chemoradiotherapyGuideline concordantConcurrent chemoradiotherapyAnal carcinomaStandard therapyClinicopathologic factorsGuideline recommendationsMultivariable analysisMale sexTumor size
2016
Postoperative Radiotherapy Patterns of Care and Survival Implications for Medulloblastoma in Young Children
Kann BH, Park HS, Lester-Coll NH, Yeboa DN, Benitez V, Khan AJ, Bindra RS, Marks AM, Roberts KB. Postoperative Radiotherapy Patterns of Care and Survival Implications for Medulloblastoma in Young Children. JAMA Oncology 2016, 2: 1574-1581. PMID: 27491009, DOI: 10.1001/jamaoncol.2016.2547.Peer-Reviewed Original ResearchConceptsPostoperative radiotherapyOverall survivalMultivariable logistic regressionNational Cancer Data BaseLogistic regressionAdjuvant chemotherapy strategyLow facility volumeNational treatment patternsMultivariable Cox regressionLong-term morbidityYear of diagnosisDay of surgeryKaplan-Meier analysisNational database analysisPoor overall survivalLog-rank testYoung childrenAge 3Adjuvant chemotherapyRadiotherapy patternsRadiotherapy utilizationWorse survivalDistant metastasisMultivariable analysisTreatment patternsAssociation between access to accelerated partial breast irradiation and use of adjuvant radiotherapy
Wang EH, Park HS, Rutter CE, Gross CP, Soulos PR, Yu JB, Evans SB. Association between access to accelerated partial breast irradiation and use of adjuvant radiotherapy. Cancer 2016, 123: 502-511. PMID: 27657353, DOI: 10.1002/cncr.30356.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBreast NeoplasmsCombined Modality TherapyFemaleHumansMastectomy, SegmentalMiddle AgedNeoplasm StagingRadiotherapy DosageRadiotherapy, AdjuvantRetrospective StudiesConceptsBreast-conserving surgeryInvasive cancerDuctal carcinomaNational Cancer Data BaseEarly-stage breast cancerReceipt of radiotherapySubgroup multivariable analysisSubset of patientsMultivariable logistic regressionPartial breast irradiationOverall sampleRT receiptAdjuvant radiotherapyEligible patientsRT useMultivariable analysisRetrospective studyBreast irradiationBreast cancerIndependent factorsPatientsRadiotherapyCancerLogistic regressionAPBIThe 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 ResearchMeSH KeywordsAdultAgedCombined Modality TherapyFemaleHumansMaleMiddle AgedPropensity ScoreRegistriesRetroperitoneal NeoplasmsRetrospective StudiesSarcomaSurvival RateUnited StatesConceptsSoft 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 receiptConcurrent 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
2011
Stereotactic radiosurgery with or without whole-brain radiotherapy for brain metastases: an update
Park HS, Chiang VL, Knisely JP, Raldow AC, Yu JB. Stereotactic radiosurgery with or without whole-brain radiotherapy for brain metastases: an update. Expert Review Of Anticancer Therapy 2011, 11: 1731-1738. PMID: 22050022, DOI: 10.1586/era.11.165.Peer-Reviewed Original ResearchMeSH KeywordsBrain NeoplasmsClinical Trials, Phase III as TopicCombined Modality TherapyHumansRadiosurgeryRandomized Controlled Trials as TopicConceptsWhole-brain radiation therapyStereotactic radiosurgeryBrain metastasesAddition of SRSUse of SRSMD Anderson Cancer CenterWhole brain radiotherapyLocal tumor controlStandard of careAnderson Cancer CenterNormal brain tissueNonrandomized evidenceLimited metastasesOligometastatic diseaseCancer CenterTumor controlRelative sparingRadiation therapyBrain tissueMetastasisSingle fractionNormal tissuesPatientsRadiosurgeryTrials
2009
Treatment patterns of aging Americans with differentiated thyroid cancer
Park HS, Roman SA, Sosa JA. Treatment patterns of aging Americans with differentiated thyroid cancer. Cancer 2009, 116: 20-30. PMID: 19908255, DOI: 10.1002/cncr.24717.Peer-Reviewed Original ResearchConceptsDifferentiated thyroid cancerElderly patientsTotal thyroidectomyRadioactive iodineYounger patientsThyroid cancerMultivariate analysisStage IV diseaseEnd Results (SEER) databaseCurrent practice guidelinesLong-term outcomesAge 65 yearsUse of thyroidectomyNonpapillary histologyRAI treatmentAdvanced diseaseWorse survivalImproved survivalPathologic characteristicsResults databaseTreatment patternsExtrathyroid extensionLarge tumorsPractice guidelinesPatients