An observational study to assess objective skin pigmentation variation

Objective skin pigmentation assessment in healthy individuals and in patients with skin disease: An observational study using non-invasive skin imaging - An observational study to assess objective skin pigmentation variation

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON57606

Enrollment

600

Registered

2025-04-01

Start date

2025-07-23

Completion date

Unknown

Last updated

2026-08-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Skin pigmentation Skin colour

Interventions

Measurement of skin pigmentation using non-invasive skin colorimetry and multispectral imaging.

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: - Age = 18 years - Ability to understand oral and written Dutch or English

Exclusion criteria

Exclusion criteria: - Extensive tattoos or skin lesions covering >50% of the total body area - Recent extensive sun exposure (e.g. sun tanning booth or stay in a tropical country) in the last 3 weeks- Use of self-tanner products in the last 3 weeks 

Design outcomes

Primary

Measure	Time frame
Variations in the melanin index, which is an objective skin pigmentation parameter measured by non-invasive skin imaging using colorimetry and multispectral imaging.	—

Secondary

Measure	Time frame
Correlations with Fitzpatrick skin types, digital photograph parameters, and non-invasive skin biomarkers (epidermal thickness, transepidermal waterloss)	—

Countries

Netherlands

Contacts

Public ContactD.M.W. Balak

Leids Universitair Medisch Centrum

d.m.w.balak@lumc.nl0715296273

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Aug 25, 2026