Atopic dermatitis (AD), also known as atopic eczema, is a chronic inflammatory skin disorder. The current first-line recommended treatment for AD is the use of emollients, topical corticosteroids (TCS), and oral antihistamines if necessary. However, patients often have side effects like skin atrophy and telangiectasia. And there were plenty of herbal medicine which are beneficial to atopic dermatitis in ancient Chinese medicine books and records. Therefore, the purpose of this study is to develop a new topical application of traditional Chinese medicine and evaluate its clinical efficacy in AD patients. In human trial, 66 Subjects diagnosed as AD will be enrolled and treated with Sophora flavescens Aiton topical ointment. After treatment we will estimate the efficacy and record adverse events to conduct statistically analysis.
The 1st year project: (1) Expect to enroll 66 clinical subjects of AD. (2) Evaluate subjects 'symptom and proceed herbal ointment treatment. (3) Record treatment responses including adverse effect. (4) Conduct statistically analysis.
The 2nd year project: (1) Completing enrollment of 66 clinical subjects of AD. (2) Finish evaluation and treatment of all subjects. (3) Statistically analysis all collecting data (4) Discuss and analyze the outcome.
Between 18 and 65 years old, female or male.
Atopic dermatitis fulfilling the diagnostic criteria of Hanifin&Rajka.
Atopic dermatitis involving <10% of BSA. (Base on the BSA result of Screening)
An Investigator's Global Assessment (IGA) score of 2, 3 or 4 which corresponds to mild, moderate or severe disease. (Base on the IGA result of Screening)
Having a history of topical or systematical hypersensitivity to herbal or its excipient (e.g. vehicle) in ointment
Undergoing phototherapy (e.g. UVB, PUVA) or systemic therapy (e.g. Immunosuppressive agents) within 30 days.
Having used topical or oral therapy (e.g. topical corticosteroids, antibiotic, TCM) for dermatitis within 7 days before the first application of the study medication.
Having a significant concurrent disease, such as: significant abnormalities in hematology, severe uncontrolled metabolic syndrome (e.g., hypertension, diabetes mellitus, metabolic arthritis, hyperthyroidism), psychiatric disease, cancer or AIDS.
Parallel
herbal ointment
DrugEvery 10 x 10 cm area of lesion requires 0.5 g of ointment, applied twice daily (morning and evening, separated by approximately 12±2 hours) for 4 weeks
Placebo
DrugEvery 10 x 10 cm area of lesion requires 0.5 g of ointment, applied twice daily (morning and evening, separated by approximately 12±2 hours) for 4 weeks.
Percentage change in Eczema Area Severity Index (EASI) scores from baseline to week 4
The Eczema Area and Severity Index (EASI) is used to measure the disease severity of erythema, infiltration/papulation, excoriation, and lichenification each on a scale of 0 to 3 (none to severe) as well as the percentage of disease area on a scale of 0 to 6 for the head ⁄ neck, upper limb, trunk and lower limb body regions. Each body region score is calculated by multiplying the disease severity score by the disease area score and by the multiplier. The scores are summed to give the total EASI score, ranging from 0 to a maximum 72. The mean percentage change in EASI = (EASI baseline-EASI post-treat) / EASI baseline x 100%
Proportion of subjects who have achieved EASI-50, EASI-75, and EASI-90 after 4 weeks of treatment
It is defined as at least 50%, 75%, and 90% reduction in EASI score relative to the baseline.
The mean change in Dermatology Life Quality Index (DLQI)from baseline to week 4
The DLQI is a self-administered 10-item questionnaire, ranges from 0 (best) to 30 (worst); the higher the score, the more quality of life is impaired.
Visual Analogue Scale (VAS) for pruritus severity rates
from 0 (no itching) to 10 (very severe itching)
The mean percentage change in Total Body Surface Area involved with AD (BSA, range 0%-100%) from baseline to week 4
BSA is total Body Surface Area involved, ranging from 0% (none) to 100% (total body surface involved)
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