OOIR: Observatory of International Research

Papers

(The H4-Index of Cephalalgia is 30. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-01-01 to 2026-01-01.)

Article	Citations
Efficacy of different cannabinoid compounds on migraine-like responses in female rats	108
Visual snow vs. migraine aura: Debate summary and novel insights into the syndrome	104
A reply, drug-induced reversible cerebral vasoconstriction syndrome: Lessons from the real world	76
Harassment in the headache field: a global web-based cross-sectional survey	74
Corticosteroid-dependent increased expression of CGRP and its receptor subunits within the rodent trigeminal ganglion does not prompt cephalic allodynia	70
Efficacy and tolerability of combination treatment of topiramate and greater occipital nerve block versus topiramate monotherapy for the preventive treatment of chronic migraine: A randomized controll	67
Persistent idiopathic facial pain: Integrating headache neurology insights into interdisciplinary guidelines	62
International Classification of Headache Disorders-4 – Work in Progress 1	44
Introducing the four dimensions 4D migraine scale: A composite score proposal evaluating migraine severity and treatment efficacy	43
Chronic Migraine Epidemiology and Outcomes – International (CaMEO-I) Study: Methods and multi-country baseline findings for diagnosis rates and care	43
Genetic characterization of the endocannabinoid system and psychiatric features in patients with migraine and medication overuse headache	42
Evidence-based guidelines for the pharmacological treatment of migraine	42
Evaluating the efficacy of CGRP mAbs and gepants for the preventive treatment of migraine: A systematic review and network meta-analysis of phase 3 randomised controlled trials	40
Impact of psychiatric comorbidity, resilience and executive function on childhood and adolescent headaches: A narrative review	39
Genome-wide DNA methylation analysis in an antimigraine-treated preclinical model of cortical spreading depolarization	38
Systemic lupus erythematosus mimicking retinal migraine: a case report	38
Rethinking migraine with aura: Why cortical spreading depolarization (depression), not aura, causes headaches	38
Triptan non-response in a London tertiary headache centre: What can we learn? A retrospective study	35
History of maternal migraine and its association with preeclampsia: A case–control study in a low-resource setting in Sudan, Africa	35
Corrigendum to: Evaluation of outcomes of calcitonin gene-related peptide (CGRP)-targeting therapies for acute and preventive migraine treatment based on patient sex	35
Depression screening in migraine - A double-edged sword	34
Childhood and adolescent headache: A problem not to be ignored in the era of new therapies	34
Paroxysmal hemicrania and hemicrania continua: Review on pathophysiology, clinical features and treatment	33
Guidelines of the International Headache Society for controlled trials of pharmacological preventive treatment for persistent post-traumatic headache attributed to mild traumatic brain injury	33
Painful nervus intermedius neuropathy attributed to Bell's palsy: The need for independent diagnostic criteria	33

Comment on “What predicts citation counts and translational impact in headache research? A machine learning analysis”	33
IHC 2025 late-breaking abstracts	32
The effects of certain TRP channels and voltage-gated KCNQ/Kv7 channel opener retigabine on calcitonin gene-related peptide release in the trigeminovascular system	32
Pain sensitivities predict prophylactic treatment outcomes of flunarizine in chronic migraine patients: A prospective study	31
Population-based prevalence of cranial autonomic symptoms in migraine and proposed diagnostic appendix criteria	31
Effect of Altmetric score on manuscript citations: A randomized-controlled trial	30
Comorbidity or combination – more evidence for cluster-migraine?	30
An altered reward system characterizes chronic migraine with medication overuse headache	30
Author response to ‘Clarification on the incidence and sex-specificity of sexual dysfunction as an adverse event of CGRP-targeting medications’	30
COVID-19 vaccination-triggered cluster headache episodes with frequent attacks	30