# A Study to Evaluate the Effectiveness and Safety of Dysport® for the Prevention of Chronic Migraine in Adults

> **NCT06047444** · PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **Ipsen** · enrollment: 759 (actual)

## Conditions studied

- Chronic Migraine

## Interventions

- **BIOLOGICAL:** Botulinum toxin type A
- **BIOLOGICAL:** Botulinum toxin type A
- **OTHER:** Placebo
- **BIOLOGICAL:** Botulinum toxin type A
- **BIOLOGICAL:** Botulinum toxin type A

## Key facts

- **NCT ID:** NCT06047444
- **Lead sponsor:** Ipsen
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-10-12
- **Primary completion:** 2026-05-21
- **Final completion:** 2026-11-06
- **Target enrollment:** 759 (ACTUAL)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06047444

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06047444, "A Study to Evaluate the Effectiveness and Safety of Dysport® for the Prevention of Chronic Migraine in Adults". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT06047444. Licensed CC0.

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