# Comparative Study of Two Topical Anesthetics Prior to Fractional Nonablative Laser Treatment of the Face

> **NCT04523961** · PHASE2,PHASE3 · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 22 (actual)

## Conditions studied

- Anesthesia, Local
- Photodamaged Skin
- Topical and Infiltration Anesthetic Toxicity

## Interventions

- **DRUG:** 2.5 g of lidocaine 23% / tetracaine 7% ointment without occlusion
- **DRUG:** 7.5 g lidocaine 2.5%/ prilocaine 2.5% cream with occlusion

## Key facts

- **NCT ID:** NCT04523961
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-01-08
- **Primary completion:** 2025-02-19
- **Final completion:** 2025-02-19
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2026-02-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04523961

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04523961, "Comparative Study of Two Topical Anesthetics Prior to Fractional Nonablative Laser Treatment of the Face". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04523961. Licensed CC0.

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