Leqembi (lecanemab-irmb) - Biogen, Eisai
Symptomatic lobar intracerebral hemorrhage during extended lecanemab treatment: A case report. (PubMed, J Alzheimers Dis Rep) - Oct 16, 2026 - "MRI revealed a 2.5-cm left parietal subcortical hemorrhage. This case highlights that symptomatic lobar hemorrhage may occur even during extended lecanemab therapy, underscoring the importance of continued safety monitoring during extended treatment." 
Journal • Alzheimer's Disease • Cerebral Hemorrhage • CNS Disorders • Hematological Disorders
http://www.ncbi.nlm.nih.gov/pubmed/42877463
 
Akihiro Tsukahara; Etsuro Mori; Hiroo Yoshikawa; Naoyuki Shiraishi; Takashi Uzu; Takuya Nishina; Yugo Takahashi; Yukari Matsuda
 
Oct 16, 2026
 
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