Clinical studies on the usefulness of sunscreens in the treatment of skin pigmentation disease

Clinical studies on the usefulness of sunscreens in the treatment of skin pigmentation disease - Clinical studies on the usefulness of sunscreens in the treatment of skin pigmentation disease

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010204

Enrollment

Registered

2013-04-01

Start date

2013-04-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Skin pigmentation disease

Interventions

Product from this study (three sunscreens), to select one or more, depending on the UV shielding effect of the treatment sought.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: attribute Patients with skin pigmentation, skin graft patient, patient suture

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
At the first visit (before start of the application), and the observation and measurement of the following (after 8 weeks) after 4 weeks and at the end. skin findings Observe the treatment site, fill in the card case is determined at step 5 the state of erythema and eschar. photography Taken by a digital camera the treatment site. skin color Measured by (CM-2600d Konica Minolta) spectral colorimeter skin color or skin graft or suture site site (healthy) and its marginal treatment site. Collected stratum corneum by tape stripping Collecting the outermost layer of the stratum corneum site (healthy) and marginal treatment site by:Sellotape (only at the beginning and end) QOL survey The investigation by Skindex-16 is a measure of the subject-specific QOL skin.	—

Measure

Time frame

At the first visit (before start of the application), and the observation and measurement of the following (after 8 weeks) after 4 weeks and at the end. skin findings Observe the treatment site, fill in the card case is determined at step 5 the state of erythema and eschar. photography Taken by a digital camera the treatment site. skin color Measured by (CM-2600d Konica Minolta) spectral colorimeter skin color or skin graft or suture site site (healthy) and its marginal treatment site. Collected stratum corneum by tape stripping Collecting the outermost layer of the stratum corneum site (healthy) and marginal treatment site by:Sellotape (only at the beginning and end) QOL survey The investigation by Skindex-16 is a measure of the subject-specific QOL skin.

—

Countries

Japan

Contacts

Public ContactKoji Adachi

University of Tsukuba Department of Plastic and Reconstructive Surgery

029-853-3000

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026