# Study to Investigate the Safety and Duration of Effect of Different Botulinum Toxin A (NT 201) Dose Groups Following the Treatment of Glabellar Frown Lines

> **NCT03806933** · PHASE2 · COMPLETED · sponsor: **Merz Aesthetics GmbH** · enrollment: 241 (actual)

## Conditions studied

- Moderate to Severe Glabellar Frown Lines

## Interventions

- **DRUG:** NT 201

## Key facts

- **NCT ID:** NCT03806933
- **Lead sponsor:** Merz Aesthetics GmbH
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-23
- **Primary completion:** 2020-09-10
- **Final completion:** 2020-10-08
- **Target enrollment:** 241 (ACTUAL)
- **Last updated:** 2023-11-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03806933

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03806933, "Study to Investigate the Safety and Duration of Effect of Different Botulinum Toxin A (NT 201) Dose Groups Following the Treatment of Glabellar Frown Lines". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT03806933. Licensed CC0.

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