How does sumatriptan modulate nociceptive transmission within the trigeminovascular system?

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Description

While the authors conclude that sumatriptan prevents PACAP38-induced migraine by modulating trigeminovascular nociception, the specific molecular and cellular mechanisms of this modulation are not elucidated. Understanding these pathways is critical for developing more targeted migraine therapeutics.

Gap type: unexplained_observation Source paper: Early treatment with sumatriptan prevents PACAP38-induced migraine: A randomised clinical trial. (2021, Cephalalgia : an international journal of headache, PMID:33567890)

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