15th February 2025

A 90-year-old woman is brought to see you by her grandson.

A 90-year-old woman is brought to see you by her grandson. He tells you that on his most recent visit to her home, where she lives alone, he found handwritten notes strewn all over the house. She explained that she has had trouble remembering daily tasks or events, like where she had left her purse, for the past several months. He also describes an occasion where they went to the supermarket together, and she became confused, thinking they were in another town. 

You arrange laboratory investigations to rule out other possible diagnoses; the results are all in normal range.

Given the most likely diagnosis, which of the following could be used first-line in treatment?

Select the SINGLE most appropriate option from the list below. Select ONE option only.