{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T10:56:20Z","timestamp":1784026580441,"version":"3.55.0"},"reference-count":24,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T00:00:00Z","timestamp":1766966400000},"content-version":"vor","delay-in-days":362,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Case Reports in Medicine"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Immune checkpoint inhibitors (ICIs), such as nivolumab, have made significant advancements in the treatment of several malignancies. However, they have been associated with a new and diverse spectrum of immune\u2010related adverse effects (irAEs). We report the case of a patient with metastatic renal cell carcinoma who developed encephalitis and other potential irAEs, including hypophysitis with isolated adrenocorticotropic hormone deficiency, transient autoimmune thyroiditis, and autoimmune hemolytic anemia, following combination therapy with nivolumab and cabozantinib. The patient ultimately required rituximab administration.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case Presentation<\/jats:title>\n                    <jats:p>A 55\u2010year\u2010old woman with a history of metastatic renal cell carcinoma and a recent hospitalization for urinary tract infection was admitted to the Department of Internal Medicine due to confusion, disorientation, and hypotension. A brain MRI revealed multiple new T2\/FLAIR hyperintense lesions. After an extensive workup to exclude common neurologic ailments, an adverse reaction due to nivolumab therapy was hypothesized. Treatment was initiated with corticosteroids and IVIG, and the patient showed rapid improvement. Given the fast response to corticosteroids, the diagnosis of ICI\u2010induced encephalitis was made. Rituximab was then administered, and the patient showed near complete remission of her neurologic symptoms. The patient\u2019s hypotension was attributed to secondary adrenal insufficiency and treated accordingly. Concomitant findings included hyperthyroidism and later\u2010onset autoimmune hemolytic anemia, both of which were attributed to nivolumab, although the diagnosis could not be confirmed with certainty. Significant improvement was achieved with corticosteroid treatment and rituximab.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>irAEs can affect any system, individually or simultaneously, and require high clinical suspicion to diagnose. ICI\u2010induced encephalitis is potentially life\u2010threatening but, with prompt treatment, near\u2010complete recovery is possible. Corticosteroids and IVIG constitute the main treatment, although rituximab may be used successfully in more severe cases.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1155\/carm\/4810248","type":"journal-article","created":{"date-parts":[[2025,12,30]],"date-time":"2025-12-30T04:32:39Z","timestamp":1767069159000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Encephalitis and Immune\u2010Related Complications in a Patient Treated With Nivolumab: A Case Report"],"prefix":"10.1155","volume":"2025","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-9872-573X","authenticated-orcid":false,"given":"Georgios","family":"Lyras","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Prokopios","family":"Karydis","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sofia 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