2020
Comparative efficacy of chemoimmunotherapy versus immunotherapy alone in the front-line treatment of advanced non-small cell lung cancer: A systematic review and network meta-analysis.
Pathak R, Lopes G, Yu H, Ji W, Aryal M, Frumento K, Wallis C, Klaassen Z, Park H, Goldberg S. Comparative efficacy of chemoimmunotherapy versus immunotherapy alone in the front-line treatment of advanced non-small cell lung cancer: A systematic review and network meta-analysis. Journal Of Clinical Oncology 2020, 38: 9552-9552. DOI: 10.1200/jco.2020.38.15_suppl.9552.Peer-Reviewed Original ResearchImmune checkpoint inhibitorsIpi/nivoPD-1 axis inhibitorsPD-L1 1Phase 3 RCTsPD-L1 statusPD-L1Advanced non-small cell lung cancerSingle-agent immune checkpoint inhibitorsSystematic reviewCombination immune checkpoint inhibitorsNon-small cell lung cancerDual checkpoint blockadeCTLA-4 inhibitorsFront-line treatmentCell lung cancerSignificant differencesAdvanced NSCLCICI monotherapyOS benefitCheckpoint inhibitorsProspective trialCheckpoint blockadeCombination chemotherapyNSCLC patients
2017
Angiotensin receptor blockade: a novel approach for symptomatic radiation necrosis after stereotactic radiosurgery
Chowdhary M, Okwan-Duodu D, Switchenko JM, Press RH, Jhaveri J, Buchwald ZS, Zhong J, Chapman BV, Bindra RS, Contessa JN, Park HS, Yu JB, Decker RH, Olson JJ, Oyesiku NM, Abrams RA, Shu HG, Curran WJ, Crocker IR, Patel KR. Angiotensin receptor blockade: a novel approach for symptomatic radiation necrosis after stereotactic radiosurgery. Journal Of Neuro-Oncology 2017, 136: 289-298. PMID: 29124649, PMCID: PMC5784434, DOI: 10.1007/s11060-017-2652-0.Peer-Reviewed Original ResearchConceptsSymptomatic radiation necrosisOverall survivalStereotactic radiosurgeryIntracranial efficacyRadiation necrosisKaplan-Meier methodLate radiation toxicitySignificant predictive factorsArteriovenous malformation patientsCumulative incidence modelsIntracranial outcomesBaseline characteristicsBlockade therapyBrain metastasesProspective trialABT groupConsecutive patientsMedian ageMeier methodPreclinical evidencePredictive factorsAVM cohortsRadiation toxicityPrognostic analysisMultivariate analysis
2015
Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US.
Park HS, Wang EH, Rutter CE, Corso CD, Chiang VL, Yu JB. Changing practice patterns of Gamma Knife versus linear accelerator-based stereotactic radiosurgery for brain metastases in the US. Journal Of Neurosurgery 2015, 124: 1018-24. PMID: 26473783, DOI: 10.3171/2015.4.jns1573.Peer-Reviewed Original ResearchConceptsSingle-fraction stereotactic radiosurgeryNon-small cell lung cancerBrain metastasesStereotactic radiosurgeryNational Cancer Data BaseMultivariable logistic regression analysisSingle-fraction SRSLinear accelerator-based stereotactic radiosurgeryAcademic facility typesLimited brain metastasesNSCLC brain metastasesProportion of patientsYear of diagnosisToxicity of treatmentCell lung cancerLogistic regression analysisSRS useWide geographic variationChi-square testComparative effectiveness researchProspective trialIndependent predictorsMultivariable analysisNonclinical factorsRadiosurgery system
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