A systematic review and critical appraisal of gene polymorphism association studies in medication-overuse headache

Sarah Cargnin, Michele Viana, Grazia Sances, Cristina Tassorelli, Salvatore Terrazzino

Research output: Contribution to journalReview article

Abstract

Purpose of review: Medication-overuse headache is a secondary chronic headache disorder, evolving from an episodic primary headache type, caused by the frequent and excessive use of headache symptomatic drugs. While gene polymorphisms have been deeply investigated as susceptibility factors for migraine, little attention has been paid to medication-overuse headache genetics. In the present study we conducted a systematic review to identify, appraise and summarize the current findings of gene polymorphism association studies in medication-overuse headache. Methods: A comprehensive literature search was conducted on PubMed and Web of Knowledge databases of primary studies that met the diagnostic criteria for medication-overuse headache according to the temporally-relevant Classification of Headache Disorder of the International Headache Society. Results: A total of 17 candidate gene association studies focusing on medication-overuse headache were finally included in the qualitative review. Among these, 12 studies investigated the role of common gene polymorphisms as risk factors for medication-overuse headache susceptibility, six studies focused on the relationship with clinical features of medication-overuse headache patients, and four studies evaluated their role as determinants of clinical outcomes in medication-overuse headache patients. Conclusion: Results of single studies show a potential role of polymorphic variants of the dopaminergic gene system or of other genes related to drug-dependence pathways as susceptibility factors for disease or as determinants of monthly drug consumption, respectively. In this systematic review, we summarize the findings of gene polymorphism association studies in medication-overuse headache and discuss the methodological issues that need to be addressed in the design of future studies.

Original languageEnglish
Pages (from-to)1361-1373
Number of pages13
JournalCephalalgia
Volume38
Issue number7
DOIs
Publication statusPublished - Jun 1 2018

Fingerprint

Secondary Headache Disorders
Genes
Headache
Headache Disorders
Disease Susceptibility
Genetic Association Studies
Migraine Disorders
PubMed
Pharmaceutical Preparations
Substance-Related Disorders

Keywords

  • genetics
  • Medication-overuse headache
  • polymorphism
  • systematic review

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

A systematic review and critical appraisal of gene polymorphism association studies in medication-overuse headache. / Cargnin, Sarah; Viana, Michele; Sances, Grazia; Tassorelli, Cristina; Terrazzino, Salvatore.

In: Cephalalgia, Vol. 38, No. 7, 01.06.2018, p. 1361-1373.

Research output: Contribution to journalReview article

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