Leqembi (lecanemab-irmb) - Biogen, Eisai
Immunoglobulin GM (γ marker) allotypes as potential genetic markers of efficacy of lecanemab therapy in Alzheimer's disease. (PubMed, J Alzheimers Dis) - Oct 17, 2026 - "These immune complexes could be cleared by phagocytic cells, including microglia, thereby reducing the availability and efficacy of lecanemab and contributing to therapeutic nonresponsiveness. If validated, GM allotypes could serve as genetic markers for predicting response to lecanemab therapy and may help guide personalized treatment strategies in AD." 
Journal • Alzheimer's Disease • CNS Disorders
http://www.ncbi.nlm.nih.gov/pubmed/42885677
 
Janardan P Pandey
 
Oct 17, 2026
 
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