Overview EP4-receptor Antagonism and Prostaglandin E2 (PGE2) in a Human Headache Model Status: Completed Trial end date: 2010-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether EP-4 receptor antagonist can prevent the headache expected during a Prostaglandin E2 infusion. Phase: Phase 1/Phase 2 Details Lead Sponsor: Danish Headache CenterTreatments: Dinoprostone