2022
Utilization and Survival Impact of Hypofractionated Radiotherapy in Stage I Non-small Cell Lung Cancer
Saeed N, Jin L, Amini A, Verma V, Lester-Coll N, Chen P, Decker R, Park H. Utilization and Survival Impact of Hypofractionated Radiotherapy in Stage I Non-small Cell Lung Cancer. American Journal Of Clinical Oncology 2022, 46: 66-72. PMID: 36662872, DOI: 10.1097/coc.0000000000000974.Peer-Reviewed Original ResearchConceptsNon-small cell lung cancerStage I non-small cell lung cancerOverall survivalCell lung cancerLung cancerStereotactic body radiation therapyNational Cancer DatabaseLog-rank testBody radiation therapyOptimal fractionation scheduleMultivariable modeling techniquesOS benefitHypofractionated radiotherapySurvival impactMultivariable analysisCox regressionCancer DatabaseRetrospective analysisFractionation schedulesRadiation therapyHFRTPatientsCFRTRadiotherapyKaplan-Meier estimatorImpact of radiotherapy delay following biopsy for patients with unresected glioblastoma.
Gao S, Jin L, Moliterno J, Corbin ZA, Bindra RS, Contessa JN, Yu JB, Park HS. Impact of radiotherapy delay following biopsy for patients with unresected glioblastoma. Journal Of Neurosurgery 2022, 138: 610-620. PMID: 35907197, DOI: 10.3171/2022.5.jns212761.Peer-Reviewed Original ResearchConceptsWeeks of biopsyOverall survivalCox proportional hazards regression modelingProportional hazards regression modelingNational Cancer DatabaseInitiation of radiotherapyKaplan-Meier methodWorse overall survivalWilcoxon rank sum testEffects of confoundersRank sum testUnresected diseaseAdjuvant radiotherapyConcurrent chemotherapyMedian intervalMultivariable analysisRadiotherapy delayCancer DatabaseClinical dataBiopsyPatientsLate initiationAggressive natureRadiotherapyPotential association
2021
Linear accelerator-based single-fraction stereotactic radiosurgery versus hypofractionated stereotactic radiotherapy for intact and resected brain metastases up to 3 cm: A multi-institutional retrospective analysis.
Diamond BH, Jairam V, Zuberi S, Li JY, Marquis TJ, Rutter CE, Park HS. Linear accelerator-based single-fraction stereotactic radiosurgery versus hypofractionated stereotactic radiotherapy for intact and resected brain metastases up to 3 cm: A multi-institutional retrospective analysis. Journal Of Radiosurgery And SBRT 2021, 7: 179-187. PMID: 33898081, PMCID: PMC8055233.Peer-Reviewed Original ResearchIntracranial progression-free survivalLocal progression-free survivalSingle-fraction stereotactic radiosurgeryProgression-free survivalBrain metastasesSF-SRSOverall survivalStereotactic radiotherapyStereotactic radiosurgeryMulti-institutional retrospective analysisSignificant differencesResected Brain MetastasesLarge brain metastasesTime of treatmentIntact metastasesRetrospective analysisLocal controlMetastasisSimilar outcomesSurvivalPatientsRadiotherapyRadiosurgery
2020
The Utility of Neoadjuvant Radiotherapy after Neoadjuvant Multiagent Chemotherapy in Patients with Localized Pancreatic Cancer
Miccio J, Talcott W, Patel T, Park H, Cecchini M, Salem R, Stein S, Kortmansky J, Lacy J, Johung K, Jethwa K. The Utility of Neoadjuvant Radiotherapy after Neoadjuvant Multiagent Chemotherapy in Patients with Localized Pancreatic Cancer. International Journal Of Radiation Oncology • Biology • Physics 2020, 108: e31-e32. DOI: 10.1016/j.ijrobp.2020.02.538.Peer-Reviewed Original ResearchAdjuvant 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
P78 Treatment-Related Complications of Chemotherapy and Radiotherapy: An Analysis of the Nationwide Emergency Department Sample
Jairam V, Lee V, Park H, Thomas C, Melnick E, Gross C, Presley C, Adelson K, Yu J. P78 Treatment-Related Complications of Chemotherapy and Radiotherapy: An Analysis of the Nationwide Emergency Department Sample. International Journal Of Radiation Oncology • Biology • Physics 2019, 103: e51-e52. DOI: 10.1016/s0360-3016(19)30528-0.Peer-Reviewed Original ResearchP28 Rectal Radiation Dose Comparison Between Definitive Radiotherapy with Hydrogel Spacer Injection versus Post-prostatectomy Radiotherapy for Prostate Cancer
Yang D, Yu J, An Y, Sprenkle P, Leapman M, Park H. P28 Rectal Radiation Dose Comparison Between Definitive Radiotherapy with Hydrogel Spacer Injection versus Post-prostatectomy Radiotherapy for Prostate Cancer. International Journal Of Radiation Oncology • Biology • Physics 2019, 103: e33. DOI: 10.1016/s0360-3016(19)30478-x.Peer-Reviewed Original Research
2017
Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas
Yeboa DN, Rutter CE, Park HS, Lester-Coll NH, Corso CD, Mancini BR, Bindra RS, Contessa J, Yu JB. Patterns of care and outcomes for use of concurrent chemoradiotherapy over radiotherapy alone for anaplastic gliomas. Radiotherapy And Oncology 2017, 125: 258-265. PMID: 29054377, DOI: 10.1016/j.radonc.2017.09.027.Peer-Reviewed Original ResearchConceptsUse of CCRTConcurrent chemoradiotherapyPatterns of careAnaplastic gliomasOverall survivalCox proportional hazards regression modelingProportional hazards regression modelingMultivariable logistic regression analysisConcurrent CRTNational Cancer DatabaseKaplan-Meier analysisLog-rank testLogistic regression analysisGrade III gliomasAdjusted hazardAdult patientsImproved survivalCancer DatabaseDesign cohortRadiotherapyPropensity scorePatientsGliomasChemoradiotherapyRegression modeling(S027) Hypofractionated Radiotherapy Is associated With Improved Overall Survival Among Patients With Early-Stage Glottic Cancer
Bledsoe T, Park H, Stahl J, Yarbrough W, Burtness B, Decker R, Husain Z. (S027) Hypofractionated Radiotherapy Is associated With Improved Overall Survival Among Patients With Early-Stage Glottic Cancer. International Journal Of Radiation Oncology • Biology • Physics 2017, 98: e8-e9. DOI: 10.1016/j.ijrobp.2017.02.063.Peer-Reviewed Original Research
2016
Association 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 ResearchConceptsBreast-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 regressionAPBI
2015
Association between radiation dose and outcomes with postoperative radiotherapy for N0-N1 non-small-cell-lung cancer.
Wang E, Corso C, Park H, Chen A, Kim A, Wilson L, Decker R, Yu J. Association between radiation dose and outcomes with postoperative radiotherapy for N0-N1 non-small-cell-lung cancer. Journal Of Clinical Oncology 2015, 33: 7538-7538. DOI: 10.1200/jco.2015.33.15_suppl.7538.Peer-Reviewed Original Research
2014
Does Central vs. Peripheral Tumor Location Impact Outcomes Following Stereotactic Body Radiotherapy for Non-Small Cell Lung Cancer?
Park H, Harder E, Mancini B, Decker R. Does Central vs. Peripheral Tumor Location Impact Outcomes Following Stereotactic Body Radiotherapy for Non-Small Cell Lung Cancer? International Journal Of Radiation Oncology • Biology • Physics 2014, 90: s28-s29. DOI: 10.1016/j.ijrobp.2014.05.132.Peer-Reviewed Original Research
2013
Statins and prostate cancer recurrence following radical prostatectomy or radiotherapy: a systematic review and meta-analysis
Park HS, Schoenfeld JD, Mailhot RB, Shive M, Hartman RI, Ogembo R, Mucci LA. Statins and prostate cancer recurrence following radical prostatectomy or radiotherapy: a systematic review and meta-analysis. Annals Of Oncology 2013, 24: 1427-1434. PMID: 23508824, PMCID: PMC3660083, DOI: 10.1093/annonc/mdt077.Peer-Reviewed Original ResearchConceptsRecurrence-free survivalPrimary treatment modalityLocalized prostate cancerEffect of statinsRadical prostatectomy patientsProstate cancer recurrenceHazard ratioProstatectomy patientsTreatment modalitiesRadical prostatectomyCancer recurrenceProstate cancerProstate cancer patientsOncologic outcomesDefinitive treatmentRT patientsCancer patientsEmbase databasesEligible studiesStatinsPatientsSystematic reviewRadiotherapyBeneficial effectsSystematic search
2012
Immortal Time Bias: A Frequently Unrecognized Threat to Validity in the Evaluation of Postoperative Radiotherapy
Park HS, Gross CP, Makarov DV, Yu JB. Immortal Time Bias: A Frequently Unrecognized Threat to Validity in the Evaluation of Postoperative Radiotherapy. International Journal Of Radiation Oncology • Biology • Physics 2012, 83: 1365-1373. PMID: 22342097, DOI: 10.1016/j.ijrobp.2011.10.025.Peer-Reviewed Original ResearchConceptsSequential landmark analysesPostoperative radiotherapyImmortal time biasLandmark analysisTumor typesEnd Results (SEER) databaseObservational cohort studyTime biasObservation cohortCohort studyHazard ratioProspective trialImproved survivalResults databaseConditional survivalRoutine useSurvivalApparent benefitRadiotherapyCohort