Research on the relationship between UV-induced skin damage and ultraweak photon emission in the skin (2nd)

Research on the relationship between UV-induced skin damage and ultraweak photon emission in the skin (2nd) - Study for evaluation of UV-induced skin damage

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037171

Enrollment

Registered

2019-06-28

Start date

2019-06-28

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

Healthy adults

Interventions

Conduct single UV irradiation to the four different areas on inner upper arm at different energy doses

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: Healthy males

Exclusion criteria

Exclusion criteria: -Subjects with skin troubles in the measuring site -Subjects who may cause an abnormal response to the light -Smokers -Subjects deemed inappropriate to participate in this study by the principle investigator

Design outcomes

Primary

Measure	Time frame
Evaluation of the intensity of ultraweak photon emission and skin color just after and one day after UV irradiation, respectively	—

Countries

Japan

Contacts

Public ContactYu Gabe

Kao Corporation Biological Science Research

gabe.yu@kao.com+81-465-34-6116

Outcome results

None listed

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