In AD patients, we did not observe a significant association between α-CGRP and Amyloid Beta 1–42 (rhoabeta = −0.100; p= 0.723), Total Tau (rhotau = 0.251; p = 0.367) or Phosphorylated Tau (rhoptau = 0.221; p= 0.428). This evidence concerns the gene MAPT and Alzheimer disease.