Comparative Study of Two Topical Anesthetics Prior to Fractional Nonablative Laser Treatment of the Face
Public ClinicalTrials.gov record NCT04523961. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Prospective, Randomized, Double-blinded, Split-face Study Comparing Efficacy of Lidocaine 2.5%/Prilocaine 2.5% Cream Under Occlusion, and Lidocaine 23% /Tetracaine 7% Ointment for Anesthesia Prior to 1927nm Fractional Laser Treatment
Study identification
- NCT ID
- NCT04523961
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2, Phase 3
- Lead sponsor
- Mayo Clinic
- Other
- Enrollment
- 22 participants
Conditions and interventions
Interventions
- 2.5 g of lidocaine 23% / tetracaine 7% ointment without occlusion Drug
- 7.5 g lidocaine 2.5%/ prilocaine 2.5% cream with occlusion Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 7, 2021
- Primary completion
- Feb 18, 2025
- Completion
- Feb 18, 2025
- Last update posted
- Feb 19, 2026
2021 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04523961, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 19, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04523961 live on ClinicalTrials.gov.