Eisai and Biogen are to appeal against the European Medicines Agency’s recommendation to refuse EU marketing approval for their Alzheimer’s disease (AD) drug Leqembi (lecanemab), which is already approved in the US, Japan, China, South Korea, Hong Kong and Israel.
Key Takeaways
- The CHMP rejected Leqembi because it considered that the observed effect of the drug on delaying cognitive decline did not counterbalance the risk of serious side events associated with the medicine, in particular the frequent occurrence of amyloid-related imaging abnormalities (ARIA).
The rejection was announced by the EMA today, after the agency’s human medicines committee, the CHMP, adopted a negative opinion...








