# Effective OnabotulinumtoxinA Dose Response Study for Upper Facial Wrinkles

> **NCT04994990** · NA · WITHDRAWN · sponsor: **Northwell Health**

## Conditions studied

- Rhytides

## Interventions

- **DRUG:** OnabotulinumtoxinA Standard Dose
- **DRUG:** OnabotulinumtoxinA Half Standard Dose

## Key facts

- **NCT ID:** NCT04994990
- **Lead sponsor:** Northwell Health
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2023-05-25
- **Primary completion:** 2024-11-30
- **Final completion:** 2025-05-30
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** staff not available to support study
- **Last updated:** 2023-10-16


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04994990

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04994990, "Effective OnabotulinumtoxinA Dose Response Study for Upper Facial Wrinkles". Retrieved via AI Analytics 2026-06-12 from https://api.ai-analytics.org/clinical/NCT04994990. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*