2020
An integrated disease-specific graded prognostic assessment scale for melanoma: contributions of KPS, CITV, number of metastases, and BRAF mutation status
Ahluwalia M, Ali MA, Joshi RS, Park ES, Taha B, McCutcheon I, Chiang V, Hong A, Sinclair G, Bartek J, Chen CC. An integrated disease-specific graded prognostic assessment scale for melanoma: contributions of KPS, CITV, number of metastases, and BRAF mutation status. Neuro-Oncology Advances 2020, 3: vdaa152. PMID: 33506199, PMCID: PMC7810198, DOI: 10.1093/noajnl/vdaa152.Peer-Reviewed Original ResearchCumulative intracranial tumor volumeNumber of metastasesBRAF mutation statusMelanoma brain metastasesBrain metastasesStereotactic radiosurgeryMutation statusPrognostic scalesMelanoma patientsSurvival prognosticationIndependent cohortMultivariate Cox proportional hazards modelCox proportional hazards modelIntracranial tumor volumePrognostic assessment scaleMulti-institutional collaborationNet reclassification indexProportional hazards modelBM patientsMainstay therapyPatient characteristicsTumor characteristicsPrognostic importancePrognostic utilityReclassification index
2019
Results of a pilot/phase II study of gamma knife radiosurgery for brain metastases and implications for future prospective clinical trials
Yu J, Singh C, Bindra R, Contessa J, Husain Z, Hansen J, Park H, Roberts K, Bond J, Tien C, Guo F, Colaco R, Housri N, Magnuson W, Mahajan A, Omay S, Chiang V. Results of a pilot/phase II study of gamma knife radiosurgery for brain metastases and implications for future prospective clinical trials. Journal Of Radiation Oncology 2019, 8: 39-46. DOI: 10.1007/s13566-018-0370-7.Peer-Reviewed Original ResearchYale-New Haven HospitalPhase II studyBrain metastasesClinical trialsII studyKnife radiosurgeryLocal controlPre-defined primary endpointWhole-brain radiation treatmentFuture prospective clinical trialsEvaluable brain metastasesSymptomatic radiation necrosisMedian patient ageLocal control ratePhase 2 studyGood local controlProspective clinical trialsNumber of metastasesLarge clinical trialsProportional hazards regressionFuture clinical trialsGamma knife radiosurgeryImportant clinical variablesStandard clinical practiceNew Haven Hospital
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
2013
Survival and Intracranial Control of Patients With 5 or More Brain Metastases Treated With Gamma Knife Stereotactic Radiosurgery
Raldow AC, Chiang VL, Knisely JP, Yu JB. Survival and Intracranial Control of Patients With 5 or More Brain Metastases Treated With Gamma Knife Stereotactic Radiosurgery. American Journal Of Clinical Oncology 2013, 36: 486-490. PMID: 22706180, DOI: 10.1097/coc.0b013e31825494ef.Peer-Reviewed Original ResearchConceptsKarnofsky performance statusMore brain metastasesMedian overall survivalOverall survivalBrain metastasesRecurrence-free survivalStereotactic radiosurgeryWhole-brain radiation treatmentGamma Knife stereotactic radiosurgeryNumber of metastasesProportional hazards regressionGamma knife treatmentIntracranial controlOnly significant variableFree survivalIntracranial failurePerformance statusHazards regressionSurveillance imagingHistorical controlsDisease progressionRetrospective analysisPatientsFirst treatmentMetastasis
2012
Radiosurgery for melanoma brain metastases in the ipilimumab era and the possibility of longer survival.
Knisely JP, Yu JB, Flanigan J, Sznol M, Kluger HM, Chiang VL. Radiosurgery for melanoma brain metastases in the ipilimumab era and the possibility of longer survival. Journal Of Neurosurgery 2012, 117: 227-33. PMID: 22702482, PMCID: PMC6098938, DOI: 10.3171/2012.5.jns111929.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAntibodies, MonoclonalAntineoplastic AgentsBrain NeoplasmsCombined Modality TherapyCompassionate Use TrialsDisease-Free SurvivalFemaleHumansIpilimumabMaleMelanomaMiddle AgedNeoplasm StagingPrognosisProportional Hazards ModelsRadiosurgeryRetreatmentRetrospective StudiesConceptsMelanoma brain metastasesBrain metastasesPerformance statusMedian survivalDiagnosis-Specific Graded Prognostic Assessment (DS-GPA) scoreInstitutional review board-approved chart reviewSurvival rateGraded Prognostic Assessment scoreBrain metastasis diagnosisPrognostic assessment scoreSurvival of patientsNumber of metastasesDS-GPA scoreRadiation therapy usePrimary disease locationBrain oligometastasesIpilimumab groupIpilimumab useSalvage WBRTChart reviewOverall survivalPatient ageSystemic therapyTherapy useClinical variables
2011
Implications of Identifying Additional Cerebral Metastases during Gamma Knife Radiosurgery
Patel TR, Ozturk AK, Knisely JP, Chiang VL. Implications of Identifying Additional Cerebral Metastases during Gamma Knife Radiosurgery. International Journal Of Surgical Oncology 2011, 2012: 748284. PMID: 22312543, PMCID: PMC3265271, DOI: 10.1155/2012/748284.Peer-Reviewed Original ResearchMagnetic resonance imagingNumber of metastasesAdditional metastasesGamma knife radiosurgeryGK-SRSCerebral metastasesAdditional lesionsKnife radiosurgeryProgressive systemic diseaseTreatment magnetic resonance imagingKaplan-Meier analysisImportant prognostic informationMedian survivalRetrospective reviewIntracranial metastasesSystemic diseasePrognostic informationMetastasisPatientsResonance imagingLesionsRadiosurgeryMonthsDaysDisease
2006
Multivariate analysis identifies factors that affect survival after stereotactic radiosurgery for brain metastases
Diluna M, King J, Knisely J, Bond J, De Lotbiniere A, Chiang V. Multivariate analysis identifies factors that affect survival after stereotactic radiosurgery for brain metastases. Journal Of Clinical Oncology 2006, 24: 11500-11500. DOI: 10.1200/jco.2006.24.18_suppl.11500.Peer-Reviewed Original ResearchCell lung carcinomaStereotactic radiosurgeryBrain metastasesCerebral metastasesSurgical resectionEsophageal cancerLung carcinomaBreast cancerNon-small cell lung carcinomaSmall cell lung carcinomaSystemic controlConnecticut Tumor RegistryLocation of metastasesNumber of metastasesPatient-related factorsTotal tumor burdenSystemic disease controlKaplan-Meier plotsSignificant independent predictorsSurvival dataTotal tumor volumeMedian survivalWorse survivalImproved survivalIndependent predictors