A Study to Evaluate Botulinum Toxin Type A for Injection（HengLi®）for Prophylactic Treatment of Chronic Migraine

NCT02291380 · clinicaltrials.gov ↗

PHASE3

Phase

UNKNOWN

Status

288

Enrollment

INDUSTRY

Sponsor class

Conditions

Chronic Migraine

Interventions

DRUG: Botulinum Toxin Type A for Injection
DRUG: Placebo

Sponsor

Lanzhou Institute of Biological Products Co., Ltd