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Seattle, Washington

  • Migraine Disorders


This is a 60 week study including a double-blind phase followed by an open-label extension phase.


Inclusion Criteria: - Frequent migraine (>=15 headache days per month) - >=4 distinct headache episodes lasting >=4 hours - >=50% of baseline headache days migraine/probable migraine days Exclusion Criteria: - Previous use of botulinum toxin of any serotype or immunization to any botulinum toxin serotype - Any medical condition that puts the patient at increased risk with exposure to BOTOX - Diagnosis of complicated migraine, chronic tension-type headache, hypnic headache, hemicrania continua, new daily persistent headache - Use of prophylactic headache medication within 28 days prior to week -4 - Unremitting headache lasting continuously throughout the 4-week baseline period - Known or suspected Temporomandibular Disorders (TMD) - Diagnosis of fibromyalgia - Beck depression inventory score >24 at week-4 - Psychiatric problems that may have interfered with study participation



Primary Contact:

Study Chair
Medical Director

Backup Contact:


Location Contact:

Seattle, Washington
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source:

Date Processed: March 30, 2020

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