Overview Induction of Migraine Aura With Sildenafil Status: Active, not recruiting Trial end date: 2021-03-01 Target enrollment: Participant gender: Summary In a double blind placebo-controlled cross-over study the effect of Sildenafil on aura and migraine headache induction is tested in patient with migraine with aura. Phase: Early Phase 1 Details Lead Sponsor: Herlev HospitalTreatments: Sildenafil Citrate