- Conditions
- Chronic Migraine
- Interventions
- Botulinum toxin type A, Placebo
- Biological · Other
- Lead sponsor
- Ipsen
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 759 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 72
- States / cities
- Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 61 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 22, 2026, 4:46 AM EDT