Overview Study of Rizatriptan in the Treatment of Acute Attacks of Post-traumatic Headache in U.S. Military Troops Status: Withdrawn Trial end date: 2011-08-01 Target enrollment: Participant gender: Summary The purpose of the study is to determine the effectiveness of rizatriptan for treating attacks of chronic post-traumatic headache. Phase: N/A Details Lead Sponsor: Henry M. Jackson Foundation for the Advancement of Military MedicineCollaborator: Merck Sharp & Dohme Corp.Treatments: Rizatriptan