The present invention provides a method of treating a cognitive or neu-rodegerative disease, comprising administering to a patient in need of such treatment an effective amount of a compound of the formula (I):or a pharmaceutically acceptable salt thereof in combination with an effective amount of an anti-N3pGlu Abeta antibody selected from the group consisting of hE8L, B12L, R17L, Antibody I, and Antibody II.
