{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T16:59:01Z","timestamp":1762102741395,"version":"3.40.5"},"reference-count":41,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2022,9,14]],"date-time":"2022-09-14T00:00:00Z","timestamp":1663113600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003510","name":"Haridus- ja Teadusministeerium","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003510","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100005930","name":"ASCRS Research Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005930","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Pain"],"published-print":{"date-parts":[[2022,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The exact mechanism and site of action of triptans in aborting migraine attacks remain under debate. We hypothesized that the clinical efficacy of triptans lies in aborting central sensitization and focused on the question of why triptans are headache specific, that is highly effective in migraine and cluster headache and ineffective in extracephalic pain.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Forty healthy participants were enrolled in this double\u2010blinded, randomized, placebo\u2010controlled study. The effect of sumatriptan (<jats:italic>n<\/jats:italic>\u00a0=\u00a020) versus placebo (<jats:italic>n<\/jats:italic>\u00a0=\u00a020) was investigated in a trigeminal (V1) versus an extracephalic dermatome (forearm) using a topical capsaicin sensitization model. Capsaicin\u2010induced primary and secondary hyperalgesia were evaluated using quantitative sensory testing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After capsaicin application, primary hyperalgesia developed in both the sumatriptan and placebo groups in both dermatomes. However, sumatriptan exclusively prevented secondary hyperalgesia in the V1 dermatome but not on the forearm. Placebo exerted no effects on secondary hyperalgesia in both trigeminal and extracephalic dermatomes. Additionally, sumatriptan reduced the flare size exclusively in the V1 dermatome.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our data suggest that sumatriptan reduces central sensitization (secondary hyperalgesia) without modulating peripheral sensitization (primary hyperalgesia) in a human pain model of capsaicin\u2010induced sensitization. Moreover, despite a systemic administration of sumatriptan, the modulatory effects are trigeminal specific, echoing the clinical effect of triptans in aborting headaches, but not extracephalic pain.<\/jats:p><\/jats:sec><jats:sec><jats:title>Significance<\/jats:title><jats:p>Our data suggest that triptans exert their efficacy by suppressing central sensitization. By revealing a dermatome\u2010specific modulation, our study demonstrates a previously unrecognized interaction between the pharmacodynamics of triptans and the trigeminal nociceptive system that provides new insight into how triptans may work in aborting headache attacks.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ejp.2027","type":"journal-article","created":{"date-parts":[[2022,8,24]],"date-time":"2022-08-24T14:55:45Z","timestamp":1661352945000},"page":"2152-2161","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Sumatriptan prevents central sensitization specifically in the trigeminal dermatome in humans"],"prefix":"10.1002","volume":"26","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2718-3738","authenticated-orcid":false,"given":"Kuan\u2010Po","family":"Peng","sequence":"first","affiliation":[{"name":"Department of Systems Neuroscience University Medical Center Hamburg\u2010Eppendorf  Hamburg 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