Articles in E-pub version are posted online ahead of regular printed publication.
Review Articles
- Interictal Burden of Migraine: A Narrative Review
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Soo-Kyoung Kim, Todd J. Schwedt
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Received September 14, 2025 Accepted October 5, 2025 Published online October 21, 2025
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DOI: https://doi.org/10.62087/hpr.2025.0018
[Epub ahead of print]
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Abstract
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- Migraine is a chronic neurological disorder associated with substantial disability and societal costs. Traditionally, research and clinical care have focused on the ictal phase, characterized by headache and accompanying symptoms. However, growing evidence suggests that a considerable portion of migraine-related disability occurs between attacks, known as the interictal burden (IIB). IIB encompasses a wide spectrum of cognitive, emotional, sensory, and functional impairments that persist during headache-free periods, including fatigue, allodynia, photophobia, cognitive dysfunction, anticipatory anxiety, and social withdrawal. These symptoms can markedly reduce quality of life, work productivity, and family functioning, even in individuals with infrequent attacks. In a descriptive survey of 506 migraine respondents, 67% experienced severe IIB. The effects of IIB extend beyond patients themselves, contributing to presenteeism in the workplace and imposing emotional and logistical strain within families. Several instruments, including the Migraine Interictal Burden Scale (MIBS-4), Migraine-Specific Quality of Life Questionnaire (MSQ v2.1), Headache Impact Test (HIT-6), and Migraine Disability Assessment (MIDAS), have been employed to assess different dimensions of IIB. Nonetheless, no single comprehensive and standardized tool fully captures the multidimensional nature of IIB. Recognizing and addressing IIB is essential for delivering holistic, patient-centered migraine care. Future research should focus on developing validated assessment instruments and incorporating IIB measures into clinical trials and routine practice to better understand and alleviate the hidden burden of migraine.
- Gepants for Migraine: An Update on Long-Term Outcomes and Safety Profiles
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Soohyun Cho, Kimoon Chang
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Received August 5, 2025 Accepted September 4, 2025 Published online October 21, 2025
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DOI: https://doi.org/10.62087/hpr.2025.0012
[Epub ahead of print]
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Abstract
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- Calcitonin gene-related peptide receptor antagonists, also referred to as gepants, represent a transformative advancement in migraine pharmacotherapy, providing both acute and preventive treatment options without the vasoconstrictive limitations of triptans. Since their initial approval in 2019, gepants have gained widespread clinical adoption, necessitating comprehensive evaluation of their long-term safety and efficacy. This review synthesizes current evidence on four calcitonin gene-related peptide receptor antagonists (rimegepant, atogepant, ubrogepant, and zavegepant) derived from pivotal trials, open-label extension studies, and real-world observational data. Rimegepant demonstrates sustained efficacy and minimal adverse events over 52 weeks, with no evidence of medication-overuse headaches or hepatotoxicity. Atogepant maintains progressive clinical benefits and favorable tolerability for up to 1 year, exhibiting low rates of treatment-emergent adverse events and discontinuation. Ubrogepant remains effective and well-tolerated during long-term intermittent use, with no clinically significant safety signals over extended exposure. Zavegepant, the first intranasal gepant, shows promising long-term tolerability, with the most frequently reported localized adverse event being transient dysgeusia. No consistent hepatic, cardiovascular, or serious systemic toxicity has emerged for any of the agents, and discontinuation rates due to adverse events remain consistently low. Current evidence supports gepants as safe and effective therapies for long-term migraine management, although ongoing surveillance and extended-duration studies remain essential to fully characterize their safety profile, particularly in high-risk populations and combination therapy scenarios. In conclusion, gepants offer a well-tolerated, non-vasoconstrictive alternative for migraine patients who require sustained treatment, representing a significant therapeutic advancement in migraine.
- Headache as a Somatic Symptom in Pediatrics: Diagnosis and Integrated Management
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Hye Eun Kwon
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Received September 9, 2025 Accepted October 2, 2025 Published online October 20, 2025
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DOI: https://doi.org/10.62087/hpr.2025.0016
[Epub ahead of print]
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Abstract
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- Somatization—the expression of psychological distress through physical symptoms—presents a frequent and complex challenge in pediatric practice. Headache and dizziness are among its most common manifestations. This review addresses the diagnostic challenge of determining whether these symptoms indicate a primary headache disorder or reflect somatic symptom presentations. The difficulty becomes particularly evident when conditions manifest in severe or persistent forms, such as chronic primary headache (CPH) and somatic symptom and related disorders (SSRD), where clinical overlap is considerable and coexistence may occur. We first explore the shared pathophysiological mechanisms, emphasizing central sensitization as a unifying process. We then propose a clinical framework for differential diagnosis that includes careful evaluation of predisposing risk factors and contrasts the defined diagnostic criteria of CPH with the maladaptive psychological responses frequently observed in SSRD. Management strategies diverge pharmacologically but converge on key non-pharmacological approaches. For primary headaches, pharmacotherapy is primarily used for prophylaxis, although its efficacy remains limited in pediatric trials. In contrast, for somatic presentations, medication typically serves as an adjunctive treatment targeting comorbidities, while psychotherapy (particularly cognitive behavioral therapy [CBT]) functions as the cornerstone of care. Non-pharmacological interventions such as CBT and biofeedback are essential for improving functioning across both conditions. Therefore, effective management relies on a framework of comprehensive psychoeducation, holistic assessment, and integrated interdisciplinary care.
Editorial
- Toward Precision Migraine Care: Genetics, Symptoms, and Big-Data-Driven Approaches
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Soo-Jin Cho
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Received September 13, 2025 Accepted October 2, 2025 Published online October 17, 2025
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DOI: https://doi.org/10.62087/hpr.2025.0017
[Epub ahead of print]
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Review Article
- A Practical Approach to Headache in Moyamoya Disease
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Mi-Yeon Eun, Jin-Man Jung, Jay Chol Choi
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Received July 17, 2025 Accepted September 17, 2025 Published online October 17, 2025
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DOI: https://doi.org/10.62087/hpr.2025.0011
[Epub ahead of print]
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Abstract
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- Moyamoya disease (MMD) is a progressive steno-occlusive cerebrovascular disorder of the intracranial internal carotid arteries characterized by fragile collateral vessel formation. Although ischemic and hemorrhagic strokes are the most widely recognized manifestations of MMD, headaches are common, often disabling, and remain underacknowledged. Epidemiological studies report headache in 17%–85% of MMD patients, with particularly high rates among pediatric patients. Clinically, headache phenotypes are diverse and include migraine-like headaches with or without aura, tension-type, cluster, and hemiplegic variants. These presentations often overlap with primary headache disorders, complicating the diagnosis and sometimes delaying the recognition of underlying MMD. The pathophysiology of MMD-related headaches is multifactorial, involving vascular stenosis, abnormal collateral circulation, altered hemodynamics, and neurogenic inflammation. Chronic hypoperfusion may lower the threshold for cortical spreading depression, contributing to migraine-like or aura-associated symptoms. Surgical revascularization has been reported to alleviate headaches in both pediatric and adult patients, but persistent or new headaches may occur postoperatively, and long-term outcomes remain inconsistent. Management often involves general analgesics such as acetaminophen and non-steroidal anti-inflammatory drugs, but vasoconstrictive agents (e.g., triptans and ergotamines) should be avoided. Lasmiditan, a non-vasoconstrictive 5-HT1F agonist, may represent a safer option for acute treatment, while the efficacy of other pharmacological agents remains unclear due to limited evidence. In conclusion, headaches in MMD are not only a frequent source of disability but also a potential clinical marker of disease activity. Wider recognition of their epidemiology, phenotypes, and mechanisms may improve the diagnosis, guide individualized treatment, and ultimately enhance quality of life for patients.
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