# Assessment and Augmentation of Lip Appearance in Specific Study Populations

> **NCT04839692** · PHASE4 · COMPLETED · sponsor: **Dieter Manstein, MD** · enrollment: 37 (actual)

## Conditions studied

- Lip Aging
- Lip Augmentation
- Lip

## Interventions

- **DRUG:** Hyaluronic acid filler

## Key facts

- **NCT ID:** NCT04839692
- **Lead sponsor:** Dieter Manstein, MD
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-05-07
- **Primary completion:** 2022-07-01
- **Final completion:** 2022-08-01
- **Target enrollment:** 37 (ACTUAL)
- **Last updated:** 2023-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04839692

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04839692, "Assessment and Augmentation of Lip Appearance in Specific Study Populations". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT04839692. Licensed CC0.

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