Possible Interaction of Anti–PD-1 Therapy with the Effects of Radiosurgery on Brain Metastases
Alomari AK, Cohen J, Vortmeyer AO, Chiang A, Gettinger S, Goldberg S, Kluger HM, Chiang VL. Possible Interaction of Anti–PD-1 Therapy with the Effects of Radiosurgery on Brain Metastases. Cancer Immunology Research 2016, 4: 481-487. PMID: 26994250, DOI: 10.1158/2326-6066.cir-15-0238.Peer-Reviewed Original ResearchConceptsStereotactic radiosurgeryBrain metastasesInitiation of immunotherapyPD-1 mAbImmune-modulating therapyModalities of treatmentRadiologic progressionSurgical resectionSystemic therapyDeath-1Radiologic findingsMetastatic malignancyReactive astrocytosisPathologic examinationTreatment regimensHistopathologic examinationWall infiltrationT lymphocytesPatientsTumor progressionMonoclonal antibodiesBiologic interactionsRadiation-induced changesImmunotherapyMalignancyMelanoma Brain Metastasis Pseudoprogression after Pembrolizumab Treatment
Cohen JV, Alomari AK, Vortmeyer AO, Jilaveanu LB, Goldberg SB, Mahajan A, Chiang VL, Kluger HM. Melanoma Brain Metastasis Pseudoprogression after Pembrolizumab Treatment. Cancer Immunology Research 2016, 4: 179-182. PMID: 26701266, PMCID: PMC4881844, DOI: 10.1158/2326-6066.cir-15-0160.Peer-Reviewed Original ResearchConceptsCentral nervous systemBrain metastasesActive brain lesionsNew immunomodulating agentsImmune checkpoint inhibitorsRole of immunotherapyPembrolizumab treatmentCheckpoint inhibitorsCNS lesionsReactive astrocytosisImmune suppressionPerilesional edemaInflammatory cellsMicroglial cellsImmunomodulating agentMental statusBrain lesionsHistologic evaluationMost trialsNervous systemCentral enhancementTumor cellsPatientsMetastasisLesions