NCT06431464|Unknown
Tattoo Particles: Picosecond Laser Versus Nanosecond Laser
In Vivo Analysis of Tattoo Particles After Picosecond Laser Compared to Nanosecond Laser
Loading search results
In Vivo Analysis of Tattoo Particles After Picosecond Laser Compared to Nanosecond Laser
Sponsor study identifier
observational
20
1 country
1
Study Start
February 1, 2024
Actual (reported)Primary Completion
June 30, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
July 31, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
\- 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.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
July 31, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
February 1, 2024
Actual (reported)February 19, 2024
Actual (reported)May 28, 2024
Actual (reported)June 30, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
July 31, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Size of intercellular spaces
Size of intercellular spaces after picosecond or nanosecond laser treatment.
6 weeks and 12 weeks post-treatment
Size of keratinocytes
Size of keratinocytes after picosecond or nanosecond laser treatment.
6 weeks and 12 weeks post-treatment
Size of tattoo particles
Size of tattoo particles after picosecond or nanosecond laser treatment.
6 weeks and 12 weeks post-treatment
Distribution of tattoo particles
Distribution though the epidermal and dermal layers after picosecond or nanosecond laser treatment.
6 weeks and 12 weeks post-treatment
Patients with unwanted tattoos who plan a nanosecond laser treatment will be recruited for measurements using a multiphoton-tomography system.
Patients with unwanted tattoos who plan a picosecond laser treatment will be recruited for measurements using a multiphoton-tomography system.
Patients with unwanted tattoos who plan a laser treatment will be recruited for measurements using a multiphoton-tomography system. These are scheduled 6 weeks and 12 weeks post-treatment.
Patients with unwanted tattoos who plan a laser treatment will be recruited for measurements using a multiphoton-tomography system. These are scheduled 6 weeks and 12 weeks post-treatment.
\- healthy patients who plan a laser treatment of their unwanted tattoo/ tattoos at our department
University Medical Center Hamburg-Eppendorf
Hamburg, 20251, Germany
Nguyen L, Mess C, Schneider SW, Huck V, Herberger K. In vivo visualisation of tattoo particles using multiphoton tomography and fluorescence lifetime imaging. Exp Dermatol. 2022 Nov;31(11):1712-1719. doi: 10.1111/exd.14646. Epub 2022 Jul 25.
Nguyen L, Mess C, Huck V, Schneider SW, Herberger K. Intravital Visualization of Tattoo Particles After Picosecond Laser Treatment. Skin Res Technol. 2025 Oct;31(10):e70283. doi: 10.1111/srt.70283.
First Submitted
February 19, 2024
First Posted
May 28, 2024
Study Start
February 1, 2024
Actual (reported)Primary Completion
June 30, 2024
Estimated (date passed)Lutronic PicoPlus Exploratory Clinical Trial
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
July 31, 2024
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
May 28, 2024
Record last verified: 2024-05
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.
Source retrieved: