Overview Carbachols Headache-inducing Effect and Changes in Cerebral Blood Flow in Migraine Patients Status: Completed Trial end date: 2009-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to test if carbachol infusion induces headache in migraine subjects as well as intra- and extra-cerebral vasodilatation. Phase: N/A Details Lead Sponsor: Danish Headache CenterTreatments: Carbachol