Seborrheic keratosis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Participated in the test voluntarily and signed the informed consent form; 2. Follow-up can be carried out as planned; 3. Aged between 18 and 65; 4. The clinician diagnosed seborrheic keratosis.
Exclusion criteria
Exclusion criteria: 1. Local patients with Ota nevus, freckles, obvious post inflammatory pigmentation and other pigmentation diseases, as well as active diseases such as psoriasis and eczema may interfere with the clinical efficacy evaluator; 2. Current or previous skin cancer or precancerous lesions; 3. Pregnant women and those who are breastfeeding, and those who are preparing for pregnancy during the trial; 4. Patients with mental illness; 5. Those who have used retinoic acid preparations and whitening agents locally in the first three months; 6. Have received curettage or complete resection, freezing, electrolysis, chemical stripping or various laser devices within half a year; 7. People allergic to lidocaine; 8. Patients who cannot or refuse to follow up at the scheduled time.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Doctor's subjective score; | — |
Secondary
| Measure | Time frame |
|---|---|
| Self assessment of subjects; | — |
Countries
China
Contacts
Department of Dermatology, Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College