跳至主要内容
临床试验/NCT06431464
NCT06431464招募中不适用

In Vivo Analysis of Tattoo Particles After Picosecond Laser Compared to Nanosecond Laser

Universitätsklinikum Hamburg-Eppendorf1 个研究点 分布在 1 个国家目标入组 20 人开始时间: 2024年2月1日最近更新:
适应症

试验速览

阶段
不适用
状态
招募中
入组人数
20
试验地点
1
主要终点
Distribution of tattoo particles

研究概览

简要总结

  • 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.

研究设计

研究类型
Observational
观察模型
Case Control
时间视角
Prospective

入排标准

年龄范围
18 Years 至 —(Adult, Older Adult)
性别
All
接受健康志愿者

入选标准

  • healthy patients who plan a laser treatment of their unwanted tattoo/ tattoos at our department

排除标准

  • laser pretreatment of their tattoos to be treated
  • pregnancy, breast feeding
  • open wound on the area to be treated

结局指标

主要结局

Distribution of tattoo particles

时间窗: 6 weeks and 12 weeks post-treatment

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

Size of intercellular spaces

时间窗: 6 weeks and 12 weeks post-treatment

Size of intercellular spaces after picosecond or nanosecond laser treatment.

Size of keratinocytes

时间窗: 6 weeks and 12 weeks post-treatment

Size of keratinocytes after picosecond or nanosecond laser treatment.

Size of tattoo particles

时间窗: 6 weeks and 12 weeks post-treatment

Size of tattoo particles after picosecond or nanosecond laser treatment.

次要结局

未报告次要终点

研究者

申办方类型
Other
责任方
Principal Investigator
主要研究者

Lynhda Nguyen

Principle investigator

Universitätsklinikum Hamburg-Eppendorf

研究点 (1)

Loading locations...

相似试验