A Study to Evaluate the Effectiveness and Safety of Dysport® for the Prevention of Chronic Migraine in Adults
ACTIVE_NOT_RECRUITING
Status
Conditions
Interventions
- BIOLOGICAL: Botulinum toxin type A
- BIOLOGICAL: Botulinum toxin type A
- OTHER: Placebo
- BIOLOGICAL: Botulinum toxin type A
- BIOLOGICAL: Botulinum toxin type A
Sponsor
Ipsen