MedPath

Tattoo Particles: Picosecond Laser Versus Nanosecond Laser

Recruiting
Conditions
Tattoo; Pigmentation
Registration Number
NCT06431464
Lead Sponsor
Universitätsklinikum Hamburg-Eppendorf
Brief Summary

- For treating unwanted tattoos, the gold standard treatment is a nanosecond or picosecond laser. However, comparative microscopic analysis is limited. Therefore, the aim of the present study is to analysis morphological changes of tattoo particles and surrounding tissue in human skin.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
20
Inclusion Criteria
  • healthy patients who plan a laser treatment of their unwanted tattoo/ tattoos at our department
Exclusion Criteria
  • laser pretreatment of their tattoos to be treated
  • pregnancy, breast feeding
  • open wound on the area to be treated

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Distribution of tattoo particles6 weeks and 12 weeks post-treatment

Distribution though the epidermal and dermal layers after picosecond or nanosecond laser treatment.

Size of intercellular spaces6 weeks and 12 weeks post-treatment

Size of intercellular spaces after picosecond or nanosecond laser treatment.

Size of tattoo particles6 weeks and 12 weeks post-treatment

Size of tattoo particles after picosecond or nanosecond laser treatment.

Size of keratinocytes6 weeks and 12 weeks post-treatment

Size of keratinocytes after picosecond or nanosecond laser treatment.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

University Medical Center Hamburg-Eppendorf

🇩🇪

Hamburg, Germany

University Medical Center Hamburg-Eppendorf
🇩🇪Hamburg, Germany
L Nguyen, Dr. med.
Contact
+49 (0)40-74100
l.nguyen@uke.de

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.