2019
A Proposed Grading Scale for Predicting Outcomes After Stereotactic Radiosurgery for Dural Arteriovenous Fistulas
Mohammed N, Hung YC, Chen CJ, Xu Z, Schlesinger D, Kano H, Chiang V, Hess J, Lee J, Mathieu D, Kaufmann AM, Grills IS, Cifarelli CP, Vargo JA, Chytka T, Janouskova L, Feliciano CE, Mercado RR, Lunsford LD, Sheehan JP. A Proposed Grading Scale for Predicting Outcomes After Stereotactic Radiosurgery for Dural Arteriovenous Fistulas. Neurosurgery 2019, 87: 247-255. PMID: 31584074, PMCID: PMC7528658, DOI: 10.1093/neuros/nyz401.Peer-Reviewed Original ResearchConceptsDural arteriovenous fistulaCranial dural arteriovenous fistulasCortical venous refluxFavorable outcomeStereotactic radiosurgeryGrading systemIntracerebral hemorrhageArteriovenous fistulaScoring systemGrading scaleKaplan-Meier analysisPrior intracerebral hemorrhageClass II patientsLogistic regression analysisPractical grading systemDAVF obliterationVenous refluxII patientsClinical parametersSinus locationPredicting OutcomeSystematic reviewClass IIIPatientsROC analysisMulti-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 histology
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 ResearchMeSH KeywordsAdultAgedBrain NeoplasmsFemaleHumansKaplan-Meier EstimateMaleMiddle AgedRadiosurgeryRisk FactorsSalvage TherapyConceptsDistant 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
2016
The Effect of Gene Alterations and Tyrosine Kinase Inhibition on Survival and Cause of Death in Patients With Adenocarcinoma of the Lung and Brain Metastases
Sperduto PW, Yang TJ, Beal K, Pan H, Brown PD, Bangdiwala A, Shanley R, Yeh N, Gaspar LE, Braunstein S, Sneed P, Boyle J, Kirkpatrick JP, Mak KS, Shih HA, Engelman A, Roberge D, Arvold ND, Alexander B, Awad MM, Contessa J, Chiang V, Hardie J, Ma D, Lou E, Sperduto W, Mehta MP. The Effect of Gene Alterations and Tyrosine Kinase Inhibition on Survival and Cause of Death in Patients With Adenocarcinoma of the Lung and Brain Metastases. International Journal Of Radiation Oncology • Biology • Physics 2016, 96: 406-413. PMID: 27598807, PMCID: PMC5575932, DOI: 10.1016/j.ijrobp.2016.06.006.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAgedAged, 80 and overAnaplastic Lymphoma KinaseAntineoplastic AgentsBrain NeoplasmsErbB ReceptorsFemaleGenetic MarkersGenetic Predisposition to DiseaseHumansIncidenceLung NeoplasmsMaleMiddle AgedMutationPolymorphism, Single NucleotidePrevalenceProtein-Tyrosine KinasesReceptor Protein-Tyrosine KinasesRetrospective StudiesRisk FactorsSurvival RateUnited StatesConceptsTyrosine kinase inhibitionBrain metastasesMedian survivalCause of deathGene alterationsDiagnosis of BMMulti-institutional retrospective databaseTKI-naïve patientsRisk of deathLonger median survivalKinase inhibitionALK gene alterationsTreatment patternsCancer mortalityLung cancerPrimary diagnosisRetrospective databaseCommon causeLung adenocarcinomaGroup overallPatientsFirst treatmentPrior trialsEGFRMonths
2015
Does immunotherapy increase the rate of radiation necrosis after radiosurgical treatment of brain metastases?
Colaco RJ, Martin P, Kluger HM, Yu JB, Chiang VL. Does immunotherapy increase the rate of radiation necrosis after radiosurgical treatment of brain metastases? Journal Of Neurosurgery 2015, 125: 17-23. PMID: 26544782, DOI: 10.3171/2015.6.jns142763.Peer-Reviewed Original ResearchConceptsTreatment-related imaging changesCytotoxic chemotherapyRadiation necrosisBrain metastasesSystemic therapyStereotactic Gamma Knife radiosurgeryMedian overall survivalGamma knife radiosurgeryHigh-dose radiationChemotherapy eraGK surgeryImmunotherapy increasesMedian followConclusions PatientsOverall survivalImaging changesGK treatmentKnife radiosurgeryInflammatory reactionStereotactic radiosurgeryLower riskRadiosurgical treatmentPatientsImmunotherapyTherapyExtended Survival and Prognostic Factors for Patients With ALK-Rearranged Non–Small-Cell Lung Cancer and Brain Metastasis
Johung KL, Yeh N, Desai NB, Williams TM, Lautenschlaeger T, Arvold ND, Ning MS, Attia A, Lovly CM, Goldberg S, Beal K, Yu JB, Kavanagh BD, Chiang VL, Camidge DR, Contessa JN. Extended Survival and Prognostic Factors for Patients With ALK-Rearranged Non–Small-Cell Lung Cancer and Brain Metastasis. Journal Of Clinical Oncology 2015, 34: 123-129. PMID: 26438117, PMCID: PMC5070549, DOI: 10.1200/jco.2015.62.0138.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAnaplastic Lymphoma KinaseAntineoplastic AgentsBrain NeoplasmsCarbazolesCarcinoma, Non-Small-Cell LungCranial IrradiationCrizotinibDisease-Free SurvivalFemaleFollow-Up StudiesGene RearrangementHumansKaplan-Meier EstimateKarnofsky Performance StatusLung NeoplasmsMaleMiddle AgedMolecular Targeted TherapyNeoplasm StagingPiperidinesPrognosisProtein Kinase InhibitorsProtein-Tyrosine KinasesPyrazolesPyridinesPyrimidinesRadiosurgeryReceptor Protein-Tyrosine KinasesRisk AssessmentRisk FactorsSmokingSulfonesConceptsIntracranial progression-free survivalBrain metastasesProgression-free survivalPrognostic factorsLung cancerMedian intracranial progression-free survivalNon-small cell lung cancerTyrosine kinase inhibitor therapyProgressive brain metastasesRefinement of prognosisKarnofsky performance scorePercent of patientsClinical prognostic factorsPopulation of patientsSingle brain metastasisCell lung cancerKinase inhibitor therapyCox proportional hazardsMulti-institutional studyMedian OSExtracranial metastasesImproved survivalInhibitor therapyInitial treatmentMultivariable analysis
2013
Secondary Neoplasms After Stereotactic Radiosurgery
Patel TR, Chiang VL. Secondary Neoplasms After Stereotactic Radiosurgery. World Neurosurgery 2013, 81: 594-599. PMID: 24148883, DOI: 10.1016/j.wneu.2013.10.043.Peer-Reviewed Original ResearchConceptsStereotactic radiosurgerySecondary neoplasmsCentral nervous system diseaseLong-term surveillance imagingNervous system diseasesRadiation-induced neoplasmsLong-term riskInitial diagnosisSurveillance imagingVestibular schwannomaTreatment paradigmSubsequent riskSystem diseasesNeoplasmsMedical radiationRadiation exposureRadiosurgeryRiskPatientsSchwannomaYearsDiseaseDiagnosisAdvances in therapy for melanoma brain metastases
Flanigan JC, Jilaveanu LB, Chiang VL, Kluger HM. Advances in therapy for melanoma brain metastases. Clinics In Dermatology 2013, 31: 264-281. PMID: 23608446, DOI: 10.1016/j.clindermatol.2012.08.008.Peer-Reviewed Original Research
2011
A Comprehensive Review of MR Imaging Changes following Radiosurgery to 500 Brain Metastases
Patel TR, McHugh BJ, Bi WL, Minja FJ, Knisely JP, Chiang VL. A Comprehensive Review of MR Imaging Changes following Radiosurgery to 500 Brain Metastases. American Journal Of Neuroradiology 2011, 32: 1885-1892. PMID: 21920854, PMCID: PMC7966021, DOI: 10.3174/ajnr.a2668.Peer-Reviewed Original ResearchConceptsBrain metastasesMedian survivalMetastatic lesionsLesion sizeMost metastatic lesionsMR imaging changesPercent of lesionsInitial treatment volumeSystemic cancer therapyInitial lesion sizeIntracranial metastatic lesionsGK-SRSLesional responsePatient demographicsRadiographic responseInitial treatmentImaging changesMale sexTumor sizeLesion volumeStereotactic radiosurgeryTreatment dosePatientsLesionsRadiosurgery
2008
Gamma Knife surgery for the treatment of melanoma metastases: the effect of intratumoral hemorrhage on survival.
Redmond AJ, DiLuna ML, Hebert R, Moliterno JA, Desai R, Knisely JP, Chiang VL. Gamma Knife surgery for the treatment of melanoma metastases: the effect of intratumoral hemorrhage on survival. Journal Of Neurosurgery 2008, 109 Suppl: 99-105. PMID: 19123895, DOI: 10.3171/jns/2008/109/12/s16.Peer-Reviewed Original ResearchConceptsGamma Knife surgeryMelanoma metastasesIntratumoral bleedingTime of GKSWhole-brain radiation therapyPost-GKS hemorrhageMelanoma brain metastasesRate of hemorrhageConnecticut Tumor RegistryMalignant melanoma metastaticSurvival of patientsTotal tumor volumeTreatment-specific factorsMelanoma metastaticPosttreatment bleedingAntithrombotic medicationBrain metastasesMetastasis locationOverall survivalSolitary metastasisTumor RegistryTumor burdenWorse prognosisIntracranial metastasesPatient survival