Clinical Trial: Medication-overuse Headache: 4 Years Follow up
Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Treatment of Medication-overuse Headache: 4 Years Follow up
Brief Summary: From 1 January 2004 to 31 December 2006 64 individuals with probable medication overuse headache were included in a randomized, 1-year open-labeled, multicentre study to evaluate the effect of early introduction of prophylactic treatment compared to abrupt withdrawal and with a control group (ClinicalTrials.gov number NCT00159588). In this follow-up, randomized patients still alive 4 years after primary inclusion time will be invited to a follow up interview, evaluating the headache complaints and the proportion of recurrent medication overuse.
Detailed Summary: The participants will be interviewed by telephone or consult the study doctor completing a headache diary for at least 1 month before attending the visit.
Sponsor: Norwegian University of Science and Technology
Current Primary Outcome: Change in Headache Days/Month After 4 Years Compared to Baseline [ Time Frame: Baseline and after 4 years ]
Original Primary Outcome: Number of participants with recurrent medication overuse [ Time Frame: 4 years after inclusion ]
Current Secondary Outcome: Change of Medication Days/Month Compared to Baseline [ Time Frame: Baseline and after 4 years' of follow-up ]
Original Secondary Outcome: Headache days per month [ Time Frame: 4 years after inclusion ]
Information By: Norwegian University of Science and Technology
Dates:
Date Received: June 9, 2009
Date Started: January 2008
Date Completion:
Last Updated: September 14, 2016
Last Verified: September 2016