Donanemab: Why is this Alzheimer’s breakthrough so important?

The drug called donanemab works by clearing a protein called amyloid that builds up in the brains of people with Alzheimer’s

The development of the new drug could have significant implications for the treatment of Alzheimer’s (Alamy/PA)

Results from a clinical trial have been hailed as a “turning point in the fight against Alzheimer’s disease”.

But what is the new drug and how does it work? Here are your questions answered.