Our analysis on Eisai And Elly Lilly Alzheimer's Clinical Trials scandal. It involves 2 drugs -Leqembi, manufactured by Eisai and Kinsunla, manufactured by Eli Lilly. Both drugs are used to treat Alzheimer’s and they have known side effects of brain bleeding or swelling. It is also known that some patients have genetical predisposition to experience such brain injury. However, some patients died during the Eisai study and many had brain injury adverse events with different severity. There is a discussion on what could have been done to handle the situation better.