BOTOX® (Botulinum Toxin Type A) as Headache Prophylaxis in Chinese Participants With Chronic Migraine

PHASE3WithdrawnINTERVENTIONAL

Timeline

Start Date

July 3, 2017

Primary Completion Date

March 25, 2021

Study Completion Date

March 25, 2021

Conditions

Migraine Disorders

Interventions

BIOLOGICAL

botulinum toxin Type A

Botulinum toxin Type A (BOTOX®) 155U to 195U IM injections in head/neck areas.

DRUG

placebo (sodium chloride 0.9 mg)

Placebo matching BOTOX® \[Sodium chloride 0.9 mg\] IM injections in head/neck areas.