Journal of neuro-oncology · 2021
Neurotoxicities associated with immune checkpoint inhibitor therapy.
СтатьяНазвание и аннотация: Перевод в очереди
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Duong Sophie L, Barbiero Frank J, Nowak Richard J, Baehring Joachim M
Аннотация
INTRODUCTION: Immune checkpoint inhibitors (ICIs) have emerged as a promising class of cancer immunotherapies. Neurotoxicities are uncommon, but often severe, and potentially fatal complications of ICIs, and clinical experience is limited. The aim of this study is to further define the clinical spectrum and outcome of ICI-mediated neurotoxicities.
METHODS: Patients with ICI-associated neurotoxicities were identified from retrospective review of the quality control database at a single institution. Data regarding demographics, medical history, clinical presentation, diagnosis, management and outcome were recorded.
RESULTS: We identified 18 patients with neurotoxicity following ICI therapy with pembrolizumab, nivolumab, atezolizumab, or ipilimumab for a diverse set of malignancies. Neurotoxicities comprised central demyelinating disorder (28%), autoimmune encephalitis predominantly affecting the grey matter (17%), aseptic meningitis (6%), myasthenia gravis (MG) (17%) with concurrent myositis (6%), sensorimotor polyneuropathy (11%) and hypophysitis (17%). Median time to onset of neurotoxicities was 5 weeks (range 1-72). All patients discontinued ICIs and received steroids with additional immunomodulation required in 9 patients, resulting in improvement for 16 of 18 patients. Grade 3-4 neurotoxicity developed in 14 patients, of whom 6 had died at database closure. Grade 3-4 severity negatively impacted overall survival (OS) (p = 0.046).
CONCLUSIONS: ICI-mediated neurotoxicities present early, are rapidly progressive and include a diverse phenotype affecting the CNS, PNS and neuroendocrine system. A high level of vigilance is warranted, as early diagnosis and targeted treatment can substantially prevent morbidity and mortality. Prospective clinical trials are warranted to assess optimized management of ICI-induced neurotoxicities.
METHODS: Patients with ICI-associated neurotoxicities were identified from retrospective review of the quality control database at a single institution. Data regarding demographics, medical history, clinical presentation, diagnosis, management and outcome were recorded.
RESULTS: We identified 18 patients with neurotoxicity following ICI therapy with pembrolizumab, nivolumab, atezolizumab, or ipilimumab for a diverse set of malignancies. Neurotoxicities comprised central demyelinating disorder (28%), autoimmune encephalitis predominantly affecting the grey matter (17%), aseptic meningitis (6%), myasthenia gravis (MG) (17%) with concurrent myositis (6%), sensorimotor polyneuropathy (11%) and hypophysitis (17%). Median time to onset of neurotoxicities was 5 weeks (range 1-72). All patients discontinued ICIs and received steroids with additional immunomodulation required in 9 patients, resulting in improvement for 16 of 18 patients. Grade 3-4 neurotoxicity developed in 14 patients, of whom 6 had died at database closure. Grade 3-4 severity negatively impacted overall survival (OS) (p = 0.046).
CONCLUSIONS: ICI-mediated neurotoxicities present early, are rapidly progressive and include a diverse phenotype affecting the CNS, PNS and neuroendocrine system. A high level of vigilance is warranted, as early diagnosis and targeted treatment can substantially prevent morbidity and mortality. Prospective clinical trials are warranted to assess optimized management of ICI-induced neurotoxicities.