2019
Role of Gamma Knife Radiosurgery in Small Cell Lung Cancer: A Multi-Institutional Retrospective Study of the International Radiosurgery Research Foundation (IRRF)
Cifarelli CP, Vargo JA, Fang W, Liscak R, Guseynova K, Warnick RE, Lee CC, Yang HC, Borghei-Razavi H, Maiti T, Siddiqui ZA, Yuan JC, Grills IS, Mathieu D, Touchette CJ, Cordeiro D, Chiang V, Hess J, Tien CJ, Faramand A, Kano H, Barnett GH, Sheehan JP, Lunsford LD. Role of Gamma Knife Radiosurgery in Small Cell Lung Cancer: A Multi-Institutional Retrospective Study of the International Radiosurgery Research Foundation (IRRF). Neurosurgery 2019, 87: 664-671. PMID: 31599324, PMCID: PMC7780439, DOI: 10.1093/neuros/nyz428.Peer-Reviewed Original ResearchConceptsSmall cell lung cancerWhole-brain irradiationSCLC brain metastasesInternational Radiosurgery Research FoundationDistant brain failureBrain metastasesOverall survivalStereotactic radiosurgerySCLC patientsBrain failureLung cancerPrior whole-brain irradiationMulti-institutional retrospective reviewKaplan-Meier survival analysisCox proportional hazards modelLocal failureProphylactic cranial irradiationInstitutional retrospective studyMedian marginal doseOngoing prospective trialsCell lung cancerGamma knife radiosurgeryInstitutional review boardValue of radiosurgeryBinary logistic regressionMulti-institutional validation of brain metastasis velocity, a recently defined predictor of outcomes following stereotactic radiosurgery
McTyre ER, Soike MH, Farris M, Ayala-Peacock DN, Hepel JT, Page BR, Shen C, Kleinberg L, Contessa JN, Corso C, Chiang V, Henson-Masters A, Cramer CK, Ruiz J, Pasche B, Watabe K, D'Agostino R, Su J, Laxton AW, Tatter SB, Fiveash JB, Ahluwalia M, Kotecha R, Chao ST, Braunstein SE, Attia A, Chung C, Chan MD. Multi-institutional validation of brain metastasis velocity, a recently defined predictor of outcomes following stereotactic radiosurgery. Radiotherapy And Oncology 2019, 142: 168-174. PMID: 31526671, DOI: 10.1016/j.radonc.2019.08.011.Peer-Reviewed Original ResearchConceptsBrain metastasis velocityDistant brain failureMedian overall survivalOverall survivalBrain metastasesPredictors of OSInitial brain metastasesNew brain metastasesWhole brain radiationKaplan-Meier methodHigh-risk groupPredictors of outcomeProportional hazards methodsMulti-institutional settingMulti-institutional validationMultivariate regression modelingInitial SRSBrain radiationSalvage modalityInitial treatmentBrain failureRecurrence rateValidation cohortBMV groupMelanoma histologyRADI-31. MULTI-INSTITUTIONAL VALIDATION OF BRAIN METASTASIS VELOCITY, A RECENTLY DEFINED PREDICTOR OF OUTCOMES FOLLOWING STEREOTACTIC RADIOSURGERY
Chan M, McTyre E, Soike M, Ayala-Peacock D, Hepel J, Page B, Contessa J, Chiang V, Attia A, Braunstein S, Chung C, Ruiz J, Fiveash J, Chao S, Farris M. RADI-31. MULTI-INSTITUTIONAL VALIDATION OF BRAIN METASTASIS VELOCITY, A RECENTLY DEFINED PREDICTOR OF OUTCOMES FOLLOWING STEREOTACTIC RADIOSURGERY. Neuro-Oncology Advances 2019, 1: i28-i28. PMCID: PMC7213264, DOI: 10.1093/noajnl/vdz014.123.Peer-Reviewed Original ResearchBrain metastasis velocityDistant brain failureMedian overall survivalOverall survivalPredictors of OSNew brain metastasesImproved overall survivalWhole brain radiationKaplan-Meier methodHigh-risk groupPredictors of outcomeProportional hazards methodsMulti-institutional settingMulti-institutional validationInitial salvageInitial SRSBrain metastasesBrain radiationSalvage modalityInitial treatmentRecurrence rateValidation cohortBrain failureBMV groupHazards methodsInitial SRS for Patients With 5 to 15 Brain Metastases: Results of a Multi-Institutional Experience
Hughes RT, Masters AH, McTyre ER, Farris MK, Chung C, Page BR, Kleinberg LR, Hepel J, Contessa JN, Chiang V, Ruiz J, Watabe K, Su J, Fiveash JB, Braunstein S, Chao S, Attia A, Ayala-Peacock DN, Chan MD. Initial SRS for Patients With 5 to 15 Brain Metastases: Results of a Multi-Institutional Experience. International Journal Of Radiation Oncology • Biology • Physics 2019, 104: 1091-1098. PMID: 30959122, DOI: 10.1016/j.ijrobp.2019.03.052.Peer-Reviewed Original ResearchConceptsDistant brain failureInitial stereotactic radiosurgerySalvage whole brain radiation therapyWhole-brain radiation therapySalvage stereotactic radiosurgeryBrain metastasesBrain radiation therapyOverall survivalStereotactic radiosurgeryBM groupCumulative incidenceRadiation therapyNumber of BMTwo-year cumulative incidenceMultivariable Cox proportional hazardsBrain metastasis velocityMedian overall survivalOutcomes of patientsKaplan-Meier methodLog-rank testMulti-institutional experienceRisk regression modelingCox proportional hazardsMultivariable analysisNew metastases
2018
Multi-institutional competing risks analysis of distant brain failure and salvage patterns after upfront radiosurgery without whole brain radiotherapy for brain metastasis
McTyre E, Ayala-Peacock D, Contessa J, Corso C, Chiang V, Chung C, Fiveash J, Ahluwalia M, Kotecha R, Chao S, Attia A, Henson A, Hepel J, Braunstein S, Chan M. Multi-institutional competing risks analysis of distant brain failure and salvage patterns after upfront radiosurgery without whole brain radiotherapy for brain metastasis. Annals Of Oncology 2018, 29: 497-503. PMID: 29161348, DOI: 10.1093/annonc/mdx740.Peer-Reviewed Original ResearchConceptsDistant brain failureWhole brain radiotherapyUpfront stereotactic radiosurgerySalvage whole brain radiotherapySalvage stereotactic radiosurgeryBrain metastasesStereotactic radiosurgerySystemic diseaseMultivariate analysisBrain radiotherapyBrain failureDecreased hazardMelanoma histologyProgressive systemic diseaseWidespread systemic diseaseSystemic disease statusLower KPSSRS doseUpfront radiosurgeryIncreased hazardCompeting Risk AnalysisEarly deathAcademic centersPatientsMetastasis
2017
Prediction of new brain metastases after radiosurgery: validation and analysis of performance of a multi-institutional nomogram
Ayala-Peacock DN, Attia A, Braunstein SE, Ahluwalia MS, Hepel J, Chung C, Contessa J, McTyre E, Peiffer AM, Lucas JT, Isom S, Pajewski NM, Kotecha R, Stavas MJ, Page BR, Kleinberg L, Shen C, Taylor RB, Onyeuku NE, Hyde AT, Gorovets D, Chao ST, Corso C, Ruiz J, Watabe K, Tatter SB, Zadeh G, Chiang VLS, Fiveash JB, Chan MD. Prediction of new brain metastases after radiosurgery: validation and analysis of performance of a multi-institutional nomogram. Journal Of Neuro-Oncology 2017, 135: 403-411. PMID: 28828698, PMCID: PMC5667906, DOI: 10.1007/s11060-017-2588-4.Peer-Reviewed Original ResearchConceptsDistant brain failureWhole brain radiotherapyNew brain metastasesBrain metastasesStereotactic radiosurgeryRisk of DBFEarly whole brain radiotherapyPrognostic modelUpfront whole brain radiotherapyMulti-institutional nomogramNumber of metastasesHigh-risk thresholdSRS monotherapyMargin doseBrain radiotherapyBrain failureContemporary cohortPrognostic indexMelanoma histologyRelative riskAcademic centersMetastasisPatientsValidation datasetAbsolute number