Chronic Migraine Epidemiology and Outcomes Study

January 21, 2015 updated by: Allergan
This is a population internet-based study to characterize migraine clinical course and impact on family.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

16789

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Participants with migraine

Description

Inclusion Criteria:

  • History of migraine
  • U.S. Member of Survey Panel
  • Household member of study participant
  • Ability to complete internet-based questionnaires

Exclusion Criteria:

  • No access to internet

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Participants with Migraines
Participants who returned completed internet survey with positive screening for migraines. No intervention was administered in this study.
Other: No Treatment
No Treatment

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of Participants With Episodic Migraine (EM) or Chronic Migraine (CM)
Time Frame: Baseline
EM is defined as <15 headache days/month and CM is defined as ≥15 headache days/month.
Baseline
Migraine Disability Assessment (MIDAS)
Time Frame: 12 Months
The Midas score is a patient completed 5-item questionnaire about lost time and productivity (for work, school or family/social activities) in the past 3 months (number of days missed) where: 0-5=Little or No disability, 6-10=Mild disability, 11-20=Moderate disability or 21+ Severe disability. The Midas scores assessed at Months 3, 6, 9 and 12 were averaged.
12 Months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Allergan

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

July 1, 2012

Primary Completion (Actual)

November 1, 2013

Study Completion (Actual)

November 1, 2013

Study Registration Dates

First Submitted

July 20, 2012

First Submitted That Met QC Criteria

July 23, 2012

First Posted (Estimate)

July 24, 2012

Study Record Updates

Last Update Posted (Estimate)

January 29, 2015

Last Update Submitted That Met QC Criteria

January 21, 2015

Last Verified

January 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • GMA-BTX-12-470

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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