期刊
ONCOLOGIST
卷 22, 期 6, 页码 709-718出版社
WILEY
DOI: 10.1634/theoncologist.2016-0487
关键词
Encephalitis; Neurologic adverse events; Immune-related adverse events; Melanoma; Immune checkpoint inhibitors; Case series
类别
资金
- Bristol-Myers Squibb, Princeton, New Jersey, USA
- Bristol-Myers Squibb
Background. Despite unprecedented efficacy across multiple tumor types, immune checkpoint inhibitor therapy is associated with a unique and wide spectrum of immune-related adverse events (irAEs), including neurologic events ranging from mild headache to potentially life-threatening encephalitis. Here, we summarize neurologic irAEs associated with nivolumab and ipilimumab melanoma treatment, present cases of treatment-related encephalitis, and provide practical guidance on diagnosis and management. Methods. We searched a Global Pharmacovigilance and Epidemiology database for neurologic irAEs reported over an 8-year period in patients with advanced melanoma receiving nivolumab with or without ipilimumab from 12 studies sponsored by Bristol-Myers Squibb. Serious neurologic irAEs were reviewed, and relationship to nivolumab or ipilimumab was assigned. Results. In our search of 3,763 patients, 35 patients (0.93%) presented with 43 serious neurologic irAEs, including neuropathy (n=22), noninfective meningitis (n=5), encephalitis (n=6), neuromuscular disorders (n=3), and nonspecific adverse events (n=7). Study drug was discontinued (n=20), interrupted (n=8), or unchanged (n=7). Most neurologic irAEs resolved (26/35 patients; 75%). Overall, median time to onset was 45 days (range 1-170) and to resolution was 32 days (2-809+). Median time to onset of encephalitis was 55.5 days (range 18-297); four cases resolved and one was fatal. Conclusion. Both oncologists and neurologists need to be aware of signs and symptoms of serious but uncommon neurologic irAEs associated with checkpoint inhibitors. Prompt diagnosis and management using an established algorithm are critical to minimize serious complications from these neurologic irAEs.
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