Healthy human
Conditions
Interventions
(Step1-1) Ultraviolet of 222 nm at 50, 100 and 200 mJ/ cm2 are irradiated and the presence or absence of erythema is confirmed 24 hours later. (Step1-2) In cases that no erythema is observed in step1
Sponsors
Kobe University Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Those who obtained document consent by their own voluntary intention about participation in this trial.
Exclusion criteria
Exclusion criteria: 1) People with allergies and other drug hypersensitivity 2) Anyone with abnormalities such as dermatitis or trauma at the site to be irradiated with ultraviolet light at the back 3) Those who regularly use external medications or patches at the site to be irradiated with ultraviolet light at the back 4) Those with tattoos at the site to be irradiated with ultraviolet light at the back 5) Pregnant women and those who may be pregnant, or who are breast-feeding 6) Those who have participated in other clinical trials within 4 months 7) Others who are judged inappropriate by the doctor in charge of this trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Presence or absence of skin erythema at 24 hours after ultraviolet irradiation of 500 mJ / cm 2 or less. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Bacteriocidal effect of skin indigenous bacteria by ultraviolet irradiation. 2. DNA damage in skin cells after ultravioletirradiation. 3. Adverse events. | — |
Countries
Japan
Contacts
Public ContactTakahiro Niikura
Kobe University Hospital Department of Orthopaedic Surgery
Outcome results
None listed