Recent headlines reveal a troubling trend: missed endpoints, inconsistent results, and major failures in Alzheimer’s Disease (AD) clinical trials. Inadequate cognitive scales are cited as a key reason behind the 98% failure rate in Phase II and III trials.
Take Lecanemab as an example—approved in the UK but deemed insufficient for NHS use due to limited cognitive benefits. According to John Harrison of Alzheimer Center Amsterdam, broader assessment methods could have altered the outcome.