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BACKGROUND The Cervical Dystonia Patient Registry for Observation of OnabotulinumtoxinA Efficacy (CD PROBE; NCT00836017) is a prospective, observational, multicenter, real-world registry designed to assess the safety, effectiveness, and treatment utilization following multiple treatments of onabotulinumtoxinA. METHODS Subjects were naïve to botulinum(More)
BACKGROUND Longitudinal migraine studies have rarely assessed headache frequency and disability variation over a year. METHODS The Chronic Migraine Epidemiology and Outcomes (CaMEO) Study is a cross-sectional and longitudinal Internet study designed to characterize the course of episodic migraine (EM) and chronic migraine (CM). Participants were recruited(More)
BACKGROUND Though triptans are the most widely used acute treatments for migraine, response to treatment is sometimes suboptimal. Triptan therapy is often augmented by the addition of other acute treatments. The benefits of this practice have not been examined in large-scale, real-world observational studies. OBJECTIVES To assess changes in(More)
OBJECTIVE To describe the development of the Impact of Migraine on Partners and Adolescent Children (IMPAC) scale. BACKGROUND Although existing data and clinical experience suggest that the impact of migraine is pervasive and extends beyond the individual with migraine, no validated tools exist for assessing the impact of migraine on the family. METHODS(More)
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