OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Headache and Pain is 33. 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 2021-09-01 to 2025-09-01.)

Article	Citations
Functionality, satisfaction, and global impression of change with ubrogepant for the acute treatment of migraine in triptan insufficient responders: a post hoc analysis of the ACHIEVE I and ACHIEVE II	519
Real-World experience of interictal burden and treatment in migraine: a qualitative interview study	255
Migraine susceptibility is modulated by food triggers and analgesic overuse via sulfotransferase inhibition	116
Two-year effectiveness of erenumab in resistant chronic migraine: a prospective real-world analysis	93
CGRP-dependent sensitization of PKC-δ positive neurons in central amygdala mediates chronic migraine	91
Real-world impact of fremanezumab on migraine symptoms and resource utilization in the United States	83
The relationship between headache-attributed disability and lost productivity: 2. Empirical evidence from population-based studies in nine disparate countries	71
Premonitory symptoms in migraine: a systematic review and meta-analysis of observational studies reporting prevalence or relative frequency	68
Psychological predictors of negative treatment outcome with Erenumab in chronic migraine: data from an open label long-term prospective study	63
Using natural language processing to automatically classify written self-reported narratives by patients with migraine or cluster headache	61
Patient-reported outcomes, health-related quality of life, and acute medication use in patients with a ≥ 75% response to eptinezumab: subgroup pooled analysis of the PROMISE trials	59
Efficacy of erenumab and factors predicting response after 3 months in treatment resistant chronic migraine: a clinical service evaluation	59
Differences in gray matter volume in episodic migraine patients with and without prior diagnosis or clinical care: a cross-sectional study	58
Diagnostic criteria for acute headache attributed to ischemic stroke and for sentinel headache before ischemic stroke	52
Measuring interictal burden among people affected by migraine: a descriptive survey study	51
Characteristics of N400 component elicited in patients who have migraine with aura	51
Age- and frequency-dependent changes in dynamic contrast perception in visual snow syndrome	50
Pre-pregnancy migraine diagnosis, medication use, and spontaneous abortion: a prospective cohort study	47
Similarities and differences between SUNCT and SUNA: a cross-sectional, multicentre study of 76 patients in China	47
Visual stimulation and frequency of focal neurological symptoms engage distinctive neurocognitive resources in migraine with aura patients: a study of resting-state functional networks	44
Dopamine receptor D2 regulates GLUA1-containing AMPA receptor trafficking and central sensitization through the PI3K signaling pathway in a male rat model of chronic migraine	43
CGRP and PACAP-38 play an important role in diagnosing pediatric migraine	43
Predictors of response to anti-CGRP monoclonal antibodies: a 24-week, multicenter, prospective study on 864 migraine patients	41
Abnormalities in resting-state EEG microstates are a vulnerability marker of migraine	40
Trigeminal ganglion itself can be a viable target to manage trigeminal neuralgia	39

Debate: Are cluster headache and migraine distinct headache disorders?	39
One-quarter of individuals with weekly headache have never consulted a medical doctor: a Danish nationwide cross-sectional survey	36
Total tenderness score and pressure pain thresholds in persistent post-traumatic headache attributed to mild traumatic brain injury	35
Swiss QUality of life and healthcare impact Assessment in a Real-world Erenumab treated migraine population (SQUARE study): interim results	35
Attenuated alpha oscillation and hyperresponsiveness reveals impaired perceptual learning in migraineurs	33
Real-world long-term efficacy and safety of erenumab in adults with chronic migraine: a 52-week, single-center, prospective, observational study	33
Efficacy and safety of erenumab in Japanese migraine patients with prior preventive treatment failure or concomitant preventive treatment: subgroup analyses of a phase 3, randomized trial	33
Hypoperfusion in nucleus accumbens in chronic migraine using 3D pseudo-continuous arterial spin labeling imaging MRI	33
A real-world study of acute and preventive medication use, adherence, and persistence in patients prescribed fremanezumab in the United States	33