Overview Substance P-Induced Migraine Attacks Without Aura Status: RECRUITING Trial end date: 2026-12-01 Target enrollment: Participant gender: Summary Substance P is a neuropeptide implicated in the pathogenesis of headache. This study investigates whether its administration can trigger migraine attacks in individuals with migraine without aura.Phase: NA Details Lead Sponsor: Danish Headache CenterTreatments: Substance P