2023
Use of stereotactic radiosurgery in treatment of brain metastases from pediatric extracranial solid tumors
Xu S, Campbell A, Chiang V, Bindra R, Vasquez J, Pashankar F. Use of stereotactic radiosurgery in treatment of brain metastases from pediatric extracranial solid tumors. Pediatric Blood & Cancer 2023, 70: e30303. PMID: 36975152, DOI: 10.1002/pbc.30303.Peer-Reviewed Original ResearchLocal Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis
Singh R, Bowden G, Mathieu D, Perlow H, Palmer J, Elhamdani S, Shepard M, Liang Y, Nabeel A, Reda W, Tawadros S, Abdelkarim K, El-Shehaby A, Emad R, Elazzazi A, Warnick R, Gozal Y, Daly M, McShane B, Addis-Jackson M, Karthikeyan G, Smith S, Picozzi P, Franzini A, Kaisman-Elbaz T, Yang H, Wei Z, Legarreta A, Hess J, Templeton K, Pikis S, Mantziaris G, Simonova G, Liscak R, Peker S, Samanci Y, Chiang V, Niranjan A, Kersh C, Lee C, Trifiletti D, Lunsford L, Sheehan J. Local Control and Survival Outcomes After Stereotactic Radiosurgery for Brain Metastases From Gastrointestinal Primaries: An International Multicenter Analysis. Neurosurgery 2023, 93: 592-598. PMID: 36942965, DOI: 10.1227/neu.0000000000002456.Peer-Reviewed Original ResearchConceptsKarnofsky performance statusStereotactic radiosurgeryOverall survivalBrain metastasesUnivariate analysisLocal controlGI primaryExtracranial metastasesPrognostic factorsBrain metastases treated with stereotactic radiosurgeryAssociated with inferior LCAssociated with inferior OSMedian Karnofsky performance statusEvaluate potential prognostic factorsInternational multicenter analysisPlanning target volumePotential prognostic factorsKaplan-Meier analysisOne-yearProportional hazards modelInferior LCInferior OSOS ratesLC ratesGastrointestinal primary
2021
Adverse radiation effects in volume-staged radiosurgery for large arteriovenous malformations: a multiinstitutional study.
Seymour ZA, Chan JW, McDermott MW, Grills I, Ye H, Kano H, Lehocky CA, Jacobs RC, Lunsford LD, Chytka T, Liščák R, Lee CC, Yang HC, Ding D, Sheehan JP, Feliciano CE, Rodriguez-Mercado R, Chiang VL, Hess JA, Sommaruga S, McShane B, Lee JYK, Vasas LT, Kaufmann AM, Sneed PK. Adverse radiation effects in volume-staged radiosurgery for large arteriovenous malformations: a multiinstitutional study. Journal Of Neurosurgery 2021, 136: 503-511. PMID: 34450589, DOI: 10.3171/2020.12.jns201866.Peer-Reviewed Original ResearchMeSH KeywordsAdultFollow-Up StudiesHumansIntracranial Arteriovenous MalformationsProspective StudiesRadiosurgeryRetrospective StudiesTreatment OutcomeConceptsAdverse radiation effectsLarge arteriovenous malformationsArteriovenous malformationsVS-SRSLobe involvementSymptomatic adverse radiation effectsVolume-staged stereotactic radiosurgeryMedian margin doseOptimal treatment paradigmAVM nidus volumeTemporal lobe involvementVolume-staged radiosurgeryParietal lobe involvementMultiinstitutional cohortRadiosurgical centersMargin doseMedian ageRetrospective reviewEntire nidusMaximal linear dimensionMultiinstitutional studyNidus volumeTreatment paradigmStereotactic radiosurgeryPatientsOutcomes of Stereotactic Radiosurgery and Immunotherapy in Renal Cell Carcinoma Patients With Brain Metastases
Uezono H, Nam D, Kluger HM, Sznol M, Hurwitz M, Yu JB, Chiang VL. Outcomes of Stereotactic Radiosurgery and Immunotherapy in Renal Cell Carcinoma Patients With Brain Metastases. American Journal Of Clinical Oncology 2021, 44: 495-501. PMID: 34432667, DOI: 10.1097/coc.0000000000000849.Peer-Reviewed Original ResearchConceptsImmune checkpoint inhibitorsRCC brain metastasesBrain metastasesRenal cell carcinomaStereotactic radiosurgeryOverall survivalUse of ICIsCentral nervous system toxicityRenal cell carcinoma patientsImpact of immunotherapyLocal control outcomesMedian overall survivalCell carcinoma patientsKaplan-Meier curvesNervous system toxicityBetter median OSLog-rank testMann-Whitney U testMargin doseMedian OSNonimmunotherapy groupSRS doseCheckpoint inhibitorsImmunotherapy groupCarcinoma patients
2020
Laser Ablation of Abnormal Neurological Tissue Using Robotic NeuroBlate System (LAANTERN): 12-Month Outcomes and Quality of Life After Brain Tumor Ablation
Kim AH, Tatter S, Rao G, Prabhu S, Chen C, Fecci P, Chiang V, Smith K, Williams BJ, Mohammadi AM, Judy K, Sloan A, Tovar-Spinoza Z, Baumgartner J, Hadjipanayis C, Leuthardt EC. Laser Ablation of Abnormal Neurological Tissue Using Robotic NeuroBlate System (LAANTERN): 12-Month Outcomes and Quality of Life After Brain Tumor Ablation. Neurosurgery 2020, 87: e338-e346. PMID: 32315434, PMCID: PMC7534487, DOI: 10.1093/neuros/nyaa071.Peer-Reviewed Original ResearchConceptsKarnofsky performance scorePrimary tumorBaseline Karnofsky performance scoreCancer Therapy-BrainPostprocedure hospital stayReal-world registryPatient-reported QOLNeurological tissuesHigh-grade gliomasQuality of lifeReal-world outcomesBaseline comorbiditiesHospital stayAdverse eventsMost patientsOverall survivalMedian ageBrain tumor ablationRadiation necrosisPatient populationMetastatic cancerFunctional assessmentSurvival rateBaseline levelsQoLLaser Interstitial Thermotherapy for Treatment of Symptomatic Peritumoral Edema After Radiosurgery for Meningioma
Hong CS, Beckta JM, Kundishora AJ, Elsamadicy AA, Chiang VL. Laser Interstitial Thermotherapy for Treatment of Symptomatic Peritumoral Edema After Radiosurgery for Meningioma. World Neurosurgery 2020, 136: 295-300. PMID: 32001396, DOI: 10.1016/j.wneu.2020.01.143.Peer-Reviewed Original ResearchConceptsSymptomatic peritumoral edemaPeritumoral edemaLaser interstitial thermotherapySurgical resectionGrade IOpen surgical resectionEffective therapeutic modalityViable alternative treatmentInterstitial thermotherapyExperienced resolutionCorticosteroid therapyIntraoperative biopsyRefractory casesConservative managementMost patientsLesion recurrenceMedical therapyRadiation necrosisUnderlying lesionSurgical interventionWound infectionTherapeutic modalitiesRadiosurgical treatmentAlternative treatmentFrontotemporal lesions
2019
Dose response and architecture in volume staged radiosurgery for large arteriovenous malformations: A multi-institutional study
Seymour ZA, Chan JW, Sneed PK, Kano H, Lehocky CA, Jacobs RC, Ye H, Chytka T, Liscak R, Lee CC, Yang HC, Ding D, Sheehan J, Feliciano CE, Rodriguez-Mercado R, Chiang VL, Hess JA, Sommaruga S, McShane B, Lee J, Vasas LT, Kaufmann AM, Grills I, McDermott MW. Dose response and architecture in volume staged radiosurgery for large arteriovenous malformations: A multi-institutional study. Radiotherapy And Oncology 2019, 144: 180-188. PMID: 31835173, DOI: 10.1016/j.radonc.2019.09.019.Peer-Reviewed Original ResearchMeSH KeywordsAdultFollow-Up StudiesHumansIntracranial Arteriovenous MalformationsProspective StudiesRadiosurgeryRetrospective StudiesTreatment OutcomeConceptsLarge arteriovenous malformationsArteriovenous malformationsVS-SRSMargin doseObliteration rateVolume-staged stereotactic radiosurgeryMedian margin doseHigh-risk lesionsOptimal treatment paradigmAVM nidus volumeMulti-institutional studyImproved ratesCompact nidusEvaluable patientsMedian followRadiosurgical centersOverall survivalUpfront treatmentComplete responseMedian ageRetrospective reviewCure rateRare lesionsPrior embolizationTreatment paradigmPrognosticating brain tumor patient survival after laser thermotherapy: Comparison between neuroradiological reading and semi-quantitative analysis of MRI data
Hanna JM, Temares D, Hyder F, Rothman DL, Fulbright RK, Chiang VL, Coman D. Prognosticating brain tumor patient survival after laser thermotherapy: Comparison between neuroradiological reading and semi-quantitative analysis of MRI data. Magnetic Resonance Imaging 2019, 65: 45-54. PMID: 31675529, DOI: 10.1016/j.mri.2019.09.011.Peer-Reviewed Original ResearchA 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 analysisPerilesional edema in brain metastases: potential causes and implications for treatment with immune therapy
Tran TT, Mahajan A, Chiang VL, Goldberg SB, Nguyen DX, Jilaveanu LB, Kluger HM. Perilesional edema in brain metastases: potential causes and implications for treatment with immune therapy. Journal For ImmunoTherapy Of Cancer 2019, 7: 200. PMID: 31362777, PMCID: PMC6668163, DOI: 10.1186/s40425-019-0684-z.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAntibodies, Monoclonal, HumanizedAntigens, CD34Antineoplastic Agents, ImmunologicalBlood-Brain BarrierBrain EdemaBrain NeoplasmsCarcinoma, Non-Small-Cell LungClinical Trials, Phase II as TopicDrug Administration ScheduleHumansLung NeoplasmsMelanomaRetrospective StudiesTight JunctionsTreatment OutcomeTumor Cells, CulturedConceptsMelanoma brain metastasesBrain metastasesPerilesional edemaVessel densityEdema volumeSensitive tumorsBlood-brain barrier model systemNon-small cell lungTight junction resistancePhase II clinical trialSignificant perilesional edemaUntreated brain metastasesBlood-brain barrierPre-clinical modelsDegree of edemaTumor mass effectPotential causesMelanoma brainShort-term cultureExtracranial metastasesImmune therapyMelanoma patientsSignificant morbidityCell lungLarge tumorsInitial 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 metastasesLocal tumor response and survival outcomes after combined stereotactic radiosurgery and immunotherapy in non-small cell lung cancer with brain metastases.
Singh C, Qian JM, Yu JB, Chiang VL. Local tumor response and survival outcomes after combined stereotactic radiosurgery and immunotherapy in non-small cell lung cancer with brain metastases. Journal Of Neurosurgery 2019, 132: 512-517. PMID: 30771783, DOI: 10.3171/2018.10.jns181371.Peer-Reviewed Original ResearchConceptsAnti-PD-1 therapyKarnofsky performance statusBrain metastasesLung cancer patientsStereotactic radiosurgeryCT groupIT groupCancer patientsNon-small cell lung cancer patientsNon-small cell lung cancerCell lung cancer patientsAntibody-positive patientsGraded Prognostic AssessmentCox regression analysisCell lung cancerMedian survival timeLocal tumor responseWhole study groupMann-Whitney U testTerms of survivalLesional responseMedian survivalPerformance statusWorse survivalComplete response
2018
Quality of life outcomes for brain metastasis patients treated with stereotactic radiosurgery: pre-procedural predictive factors from a prospective national registry.
Sheehan JP, Grills I, Chiang VL, Dong H, Berg A, Warnick RE, Kondziolka D, Kavanagh B. Quality of life outcomes for brain metastasis patients treated with stereotactic radiosurgery: pre-procedural predictive factors from a prospective national registry. Journal Of Neurosurgery 2018, 131: 1848-1854. PMID: 30579284, DOI: 10.3171/2018.8.jns181599.Peer-Reviewed Original ResearchConceptsQuality of lifeBrain metastasis patientsBrain metastasesStereotactic radiosurgeryMetastasis patientsEarly stereotactic radiosurgeryPre-procedural factorsProspective national registryPain/discomfortKarnofsky Performance Scale statusAnxiety/depressionMultivariate linear regression modelRadiological responseInitial presentationPatients' qualityMale sexPredictive factorsNational registryTreatment attributesMedical treatmentPatientsMetastasisSubscoresLife outcomesLife factorsUpfront Magnetic Resonance Imaging-Guided Stereotactic Laser-Ablation in Newly Diagnosed Glioblastoma: A Multicenter Review of Survival Outcomes Compared to a Matched Cohort of Biopsy-Only Patients.
Mohammadi AM, Sharma M, Beaumont TL, Juarez KO, Kemeny H, Dechant C, Seas A, Sarmey N, Lee BS, Jia X, Fecci PE, Baehring J, Moliterno J, Chiang VL, Ahluwalia MS, Kim AH, Barnett GH, Leuthardt EC. Upfront Magnetic Resonance Imaging-Guided Stereotactic Laser-Ablation in Newly Diagnosed Glioblastoma: A Multicenter Review of Survival Outcomes Compared to a Matched Cohort of Biopsy-Only Patients. Neurosurgery 2018, 85: 762-772. PMID: 30476325, PMCID: PMC7054708, DOI: 10.1093/neuros/nyy449.Peer-Reviewed Original ResearchConceptsProgression-free survivalDisease-specific deathOverall survivalChemo/radiotherapyPrognostic groupsOnly cohortNGBM patientsSpecific deathTumor volumeBiopsy-only patientsMedian tumor volumeFavorable prognostic factorRadiation/chemotherapyEffective treatment modalityStereotactic laser ablationMagnetic resonance imagingLA cohortMatched CohortMulticenter reviewPrognostic factorsUpfront treatmentIndependent predictorsSurvival outcomesTreatment modalitiesTumor locationSingle versus Multifraction Stereotactic Radiosurgery for Large Brain Metastases: An International Meta-analysis of 24 Trials
Lehrer EJ, Peterson JL, Zaorsky NG, Brown PD, Sahgal A, Chiang VL, Chao ST, Sheehan JP, Trifiletti DM. Single versus Multifraction Stereotactic Radiosurgery for Large Brain Metastases: An International Meta-analysis of 24 Trials. International Journal Of Radiation Oncology • Biology • Physics 2018, 103: 618-630. PMID: 30395902, DOI: 10.1016/j.ijrobp.2018.10.038.Peer-Reviewed Original ResearchConceptsLarge brain metastasesMF-SRSSF-SRSMultifraction stereotactic radiosurgeryBrain metastasesRandom effects estimatesStereotactic radiosurgeryLocal controlMeta-AnalysisEffect estimatesRates of radionecrosisProspective clinical trialsPreferred Reporting ItemsRadionecrosis ratePostoperative settingTumor sizeInternational Meta-AnalysisEpidemiology guidelinesClinical trialsObservational studyRandom effectsTumor volumeSummary estimatesReporting ItemsMetastasisBreast cancer patients with brain metastasis undergoing GKRS
Abu-Khalaf M, Muralikrishnan S, Hatzis C, Canchi D, Yu JB, Chiang V. Breast cancer patients with brain metastasis undergoing GKRS. Breast Cancer 2018, 26: 147-153. PMID: 30182250, DOI: 10.1007/s12282-018-0903-3.Peer-Reviewed Original ResearchConceptsWhole-brain radiation therapyGamma knife radiosurgeryKarnofsky performance statusBrain metastasesOverall survivalBackgroundBreast cancerSurgical resectionTime of GKRSFirst gamma knife radiosurgeryFirst GKRS treatmentBrain radiation therapyBreast cancer patientsComprehensive cancer centerGKRS treatmentNeurocognitive preservationResultsMedian agePerformance statusMethodsThe recordsNeurological deathSuch patientsMultivariable analysisRetrospective studySurvival outcomesSystemic diseaseCancer CenterLaser ablation after stereotactic radiosurgery: a multicenter prospective study in patients with metastatic brain tumors and radiation necrosis.
Ahluwalia M, Barnett GH, Deng D, Tatter SB, Laxton AW, Mohammadi AM, Leuthardt E, Chamoun R, Judy K, Asher A, Essig M, Dietrich J, Chiang VL. Laser ablation after stereotactic radiosurgery: a multicenter prospective study in patients with metastatic brain tumors and radiation necrosis. Journal Of Neurosurgery 2018, 130: 804-811. PMID: 29726782, DOI: 10.3171/2017.11.jns171273.Peer-Reviewed Original ResearchMeSH KeywordsAblation TechniquesAdultAgedBrain NeoplasmsFemaleHumansKarnofsky Performance StatusLaser TherapyMagnetic Resonance ImagingMaleMiddle AgedNecrosisNeoplasm Recurrence, LocalPostoperative ComplicationsProgression-Free SurvivalProspective StudiesQuality of LifeRadiation InjuriesRadiosurgeryTreatment OutcomeConceptsProgression-free survivalQuality of lifeKarnofsky Performance ScaleMulticenter prospective studyKPS scoreRecurrent tumorsStereotactic radiosurgeryOverall survivalProspective studyRadiation necrosisNeuro-Oncology Brain Metastases criteriaLocal progression-free survivalMedian KPS scoreSteroid sparing effectMetastatic brain tumorsLength of stayPercent of subjectsDuration of survivalOverall event rateSignificant differencesMajority of casesMetastasis (TNM) criteriaOS advantageProgression patientsBrain metastasesStereotactic Radiosurgery for Trigeminal Neuralgia in Patients With Multiple Sclerosis: A Multicenter Study.
Xu Z, Mathieu D, Heroux F, Abbassy M, Barnett G, Mohammadi AM, Kano H, Caruso J, Shih HH, Grills IS, Lee K, Krishnan S, Kaufmann AM, Lee JYK, Alonso-Basanta M, Kerr M, Pierce J, Kondziolka D, Hess JA, Gerrard J, Chiang V, Lunsford LD, Sheehan JP. Stereotactic Radiosurgery for Trigeminal Neuralgia in Patients With Multiple Sclerosis: A Multicenter Study. Neurosurgery 2018, 84: 499-505. PMID: 29688562, DOI: 10.1093/neuros/nyy142.Peer-Reviewed Original ResearchConceptsRecurrence-free rateTrigeminal neuralgiaStereotactic radiosurgeryPain responsePain controlMultiple sclerosisMS-related trigeminal neuralgiaFavorable initial responseReasonable pain controlRetrospective cohort studyMedian latency periodLarge patient seriesGamma Knife CenterFacial pain responsesFacial numbnessCohort studyClinical outcomesMedical managementPatient seriesMulticenter studySurgical interventionPatientsLatency periodRisk profileInitial response
2017
Comparing available criteria for measuring brain metastasis response to immunotherapy
Qian JM, Mahajan A, Yu JB, Tsiouris AJ, Goldberg SB, Kluger HM, Chiang VL. Comparing available criteria for measuring brain metastasis response to immunotherapy. Journal Of Neuro-Oncology 2017, 132: 479-485. PMID: 28275886, DOI: 10.1007/s11060-017-2398-8.Peer-Reviewed Original ResearchConceptsRECIST 1.1Brain lesionsBrain metastasesDurable responsesAdditional patientsNeuro-Oncology Working GroupBrain metastasis responseBrain metastasis patientsUntreated brain metastasesStandardized response criteriaBrain lesion sizeHigh-grade gliomasSimilar clinical trialsHigh-resolution MRIMetastasis patientsMetastasis responseOngoing trialsClinical trialsNovel therapiesResponse assessmentDiscordant casesLesion sizePatientsResponse rateLongest diameter
2015
Lung Cancer Brain Metastases
Goldberg SB, Contessa JN, Omay SB, Chiang V. Lung Cancer Brain Metastases. The Cancer Journal 2015, 21: 398-403. PMID: 26389765, DOI: 10.1097/ppo.0000000000000146.Peer-Reviewed Original ResearchConceptsLung cancer brain metastasesCancer brain metastasesBrain metastasesCentral nervous systemLung cancerSystemic therapyNervous systemIntracranial disease burdenOverall cancer prognosisSystemic therapy optionsExtracranial diseaseSelect patientsLocal therapySignificant morbidityTumor histologyIntracranial metastasesTherapy optionsDisease burdenSurgical techniqueAppropriate treatmentDurable benefitEffective treatmentCancer prognosisPatientsMetastasis