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A Retrospective Chart Review to Evaluate Diagnosis and Treatment of Chronic Migraine and Headache

CompletedNCT01946126
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

This study is a retrospective chart review in patients diagnosed with headache or migraine to evaluate treatment patterns and diagnosis.

Study details

Sponsor
Allergan
Start date
2014-03
Primary completion
2014-04
Sex
All
Age range
from 18 Years to 65 Years
Results posted
Yes, on ClinicalTrials.gov
Countries
United States
Total sites listed
1

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * Diagnosis of chronic migraine or other diagnosis of migraine or headache for a minimum of 15 months * Eight (8) headache days per month for at least 1 of the preceding 15 months Exclusion Criteria: * Not currently diagnosed with chronic migraine, headache or migraine * History of receiving botulinum toxin injections for the treatment of chronic migraine.

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT01946126