“PO-88 | Can Tamoxifen and Metformin Nullify Efficacy of CGRP-MAbs Migraine Prophylaxis? Patrizia Rossi,1,2 Valentina Cima,2 Alessandro Burlina2 | 1Headache Center, 2Neurology Department, San Bassiano Hospital, Bassano Del Grappa (VI), Italy”. 2025. Confinia Cephalalgica 35 (S1). https://doi.org/10.4081/cc.2025.15912.