Migraine polygenic risk score associates with efficacy of migraine-specific drugs.
Journal
Neurology. Genetics
ISSN: 2376-7839
Titre abrégé: Neurol Genet
Pays: United States
ID NLM: 101671068
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
21
03
2019
accepted:
04
09
2019
entrez:
25
12
2019
pubmed:
25
12
2019
medline:
25
12
2019
Statut:
epublish
Résumé
To assess whether the polygenic risk score (PRS) for migraine is associated with acute and/or prophylactic migraine treatment response. We interviewed 2,219 unrelated patients at the Danish Headache Center using a semistructured interview to diagnose migraine and assess acute and prophylactic drug response. All patients were genotyped. A PRS was calculated with the linkage disequilibrium pred algorithm using summary statistics from the most recent migraine genome-wide association study comprising ∼375,000 cases and controls. The PRS was scaled to a unit corresponding to a twofold increase in migraine risk, using 929 unrelated Danish controls as reference. The association of the PRS with treatment response was assessed by logistic regression, and the predictive power of the model by area under the curve using a case-control design with treatment response as outcome. A twofold increase in migraine risk associates with positive response to migraine-specific acute treatment (odds ratio [OR] = 1.25 [95% confidence interval (CI) = 1.05-1.49]). The association between migraine risk and migraine-specific acute treatment was replicated in an independent cohort consisting of 5,616 triptan users with prescription history (OR = 3.20 [95% CI = 1.26-8.14]). No association was found for acute treatment with non-migraine-specific weak analgesics and prophylactic treatment response. The migraine PRS can significantly identify subgroups of patients with a higher-than-average likelihood of a positive response to triptans, which provides a first step toward genetics-based precision medicine in migraine.
Identifiants
pubmed: 31872049
doi: 10.1212/NXG.0000000000000364
pii: NG2019010579
pmc: PMC6878840
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e364Informations de copyright
Copyright © 2019 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.
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