Leqembi (lecanemab-irmb) - Biogen, Eisai
Steroid-responsive inflammatory leptomeningeal encephalitis temporally associated with lecanemab therapy: A case report. (PubMed, J Alzheimers Dis Rep) - Oct 16, 2026 - "High-dose corticosteroid therapy led to rapid clinical improvement. These findings support a diagnosis of steroid-responsive inflammatory leptomeningeal encephalitis temporally associated with lecanemab." 
Journal • Alzheimer's Disease • CNS Disorders • Hematological Disorders • Pain • IL6
http://www.ncbi.nlm.nih.gov/pubmed/42876904
 
Hirofumi Maruyama; Marina Ishida; Masahiro Nakamori; Saya Tsuchigauchi; Takamichi Sugimoto; Yu Yamazaki; Yuichiro Tagane
 
Oct 16, 2026
 
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