64
Participants
Start Date
January 31, 2004
Primary Completion Date
November 30, 2006
Study Completion Date
December 31, 2007
Betablockers or other preventive drugs based on primary headache type
Several preventive drugs based on each individual regarding type of original headache type (i.e angiotensin II blockers, betablockers, valproate, tricyclic antidepressants or gabapentin)
Knut Hagen, Trondheim
Norwegian University of Science and Technology
OTHER