SynthesisAnnals of neurology2023
Cluster Headache Genomewide Association Study and Meta-Analysis Identifies Eight Loci and Implicates Smoking as Causal Risk Factor.
Synthesis in Annals of neurology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
27 citing papers in PubMed, 3 syntheses or guidelines pooled it, 58 citations in OpenAlex.
- Genome-wide association susceptibility loci for cluster headache support a role for inflammation in the pathophysiology.The journal of headache and pain · 2026Pooled it
- Risk factors associated to disability in primary headaches: a systematic review to inform future iterations of the Global Burden of Disease Study.The journal of headache and pain · 2025Pooled it
- Association of atopic dermatitis and headache disorder: a systematic review and meta-analyses.Frontiers in neurology · 2024Pooled it
- The Prevalence and Incidence of Cluster Headache: A Norwegian Population-Based Time-Trend Study.Neurology · 2026Article
- Shared genetic architecture between depression and migraine: a large-scale genome-wide cross-trait analysis.The journal of headache and pain · 2026Article
- Sex differences in cluster headache: insights from the Chinese Cluster Headache Register Individual Study (CHRIS).The journal of headache and pain · 2026Observational
- Smoking and cluster headache: clinical, gender, and treatment insights from a cross-sectional cluster analysis.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Article
- Risk and reward seeking behaviour in episodic cluster headache - a psychometric and behavioural study.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026Article
- The emerging role of epigenetic regulation in pain sensitization associated with headache disorders.The journal of headache and pain · 2025Review
- Hallmarks of primary headache: part 3 - cluster headache.The journal of headache and pain · 2025Review
- Reviewing the complex relationship between circadian rhythms and cluster headache.Cephalalgia : an international journal of headache · 2025Review
- Article
- Exploration of Prolonged Remission and the Natural Course of Cluster Headache: An Interview-Based Cohort Study.Neurology · 2025Article
- Distinct Alterations of Inflammatory Biomarkers in Cluster Headache: A Case Control Study.Annals of neurology · 2025Article
- 15. Cluster Headache.Pain practice : the official journal of World Institute of Pain · 2025Review
- Cluster Headache and Migraine Shared and Unique Insights: Neurophysiological Implications, Neuroimaging, and Biomarkers: A Comprehensive Review.Journal of clinical medicine · 2025Review
- Uncovering drug targets for cluster headache through proteome-wide Mendelian randomization analysis.The journal of headache and pain · 2025Article
- Article
- Cluster Headache and Hypoxia: Breathing New Life into an Old Theory, with Novel Implications.Neurology international · 2024Review
- Acute and preventive medical treatment of cluster headache in Taiwan: A narrative review.Journal of the Chinese Medical Association : JCMA · 2024Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
95 authors at 20 institutions in 15 countries.
Funding
Abstract
objectiveThe objective of this study was to aggregate data for the first genomewide association study meta-analysis of cluster headache, to identify genetic risk variants, and gain biological insights.
methodsA total of 4,777 cases (3,348 men and 1,429 women) with clinically diagnosed cluster headache were recruited from 10 European and 1 East Asian cohorts. We first performed an inverse-variance genomewide association meta-analysis of 4,043 cases and 21,729 controls of European ancestry. In a secondary trans-ancestry meta-analysis, we included 734 cases and 9,846 controls of East Asian ancestry. Candidate causal genes were prioritized by 5 complementary methods: expression quantitative trait loci, transcriptome-wide association, fine-mapping of causal gene sets, genetically driven DNA methylation, and effects on protein structure. Gene set and tissue enrichment analyses, genetic correlation, genetic risk score analysis, and Mendelian randomization were part of the downstream analyses.
resultsThe estimated single nucleotide polymorphism (SNP)-based heritability of cluster headache was 14.5%. We identified 9 independent signals in 7 genomewide significant loci in the primary meta-analysis, and one additional locus in the trans-ethnic meta-analysis. Five of the loci were previously known. The 20 genes prioritized as potentially causal for cluster headache showed enrichment to artery and brain tissue. Cluster headache was genetically correlated with cigarette smoking, risk-taking behavior, attention deficit hyperactivity disorder (ADHD), depression, and musculoskeletal pain. Mendelian randomization analysis indicated a causal effect of cigarette smoking intensity on cluster headache. Three of the identified loci were shared with migraine.
interpretationThis first genomewide association study meta-analysis gives clues to the biological basis of cluster headache and indicates that smoking is a causal risk factor. ANN NEUROL 2023;94:713-726.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.