Calcitonin Gene-Related Peptide Inhibitors for Migraine Prophylaxis

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Project Status:
Completed
Project Line:
Health Technology Review
Project Sub Line:
Technology Review
Project Number:
HC0081-000
Expected finish date:

Calcitonin gene-related peptide (CGRP) inhibitors are a migraine prophylaxis treatment for patients who have not responded to conventional migraine therapies. However, it is unclear whether trying different CGRP inhibitors in patients who do not respond well to initial CGRP inhibitor treatment is effective or if it may lead to unnecessary exposure for patients and wasted health care resources.

The public drug plans’ reimbursement criteria for CGRP inhibitors do not exclude prior use of a different CGRP inhibitor, allowing for a switch after initial treatment failure. Evidence is needed to inform the policies regulating the use of CGRP inhibitors for migraine prophylaxis for patients who have received a previous CGRP inhibitor.