Skin pigmentation in acne vulgaris patients A study on usefulness of vitamin C gel
Not Applicable
- Conditions
- Acne valgaris patients
- Registration Number
- JPRN-UMIN000032919
- Lead Sponsor
- Meiwa Hospital, Medical Corporation
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 35
Inclusion Criteria
Not provided
Exclusion Criteria
1)Patients with experience of skin symptoms such as contact dermatitis by the components and similar components of this research. 2)A patient with an inappropriate rash or other lesion in the affected area. 3)Patients with unstable symptoms of disease and complications that cause pigmentation. 4)Patients undergoing treatment for pigmentation or patients who have not been over one year since the end of treatment. 5)Pregnant, possibely pregnant, hope to be pregnant, or breastfeeding woman.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Improvement of post-inflammatory pigmentation(PIH):4 weeks after treatment starts, 8weeks, 12 weeks evaluation of improvement by 'investigator's global improvement rating' in each observation period
- Secondary Outcome Measures
Name Time Method