Immunologic changes after treatment with cyclosporin a in atopic dermatitis

Park, Chun; Kang, Yun Seo; Lee, Cheol Heon

Abstract

BACKGROUND: Atopic dermatitis(AD) exibit multiple immune akno malities including elevated serum IgE levels and impaired cell mediated immunity, but basic immunology defect is largely unknown.
OBJECTIVE
The purpose of this study was to evaluate the immnologic changes after treatment with Cyclosporin A(CsA) in AD patients. MEHTODS: Eight patients of severe AD were treated with CsA(4mg/kg body weight per day) for 5 weeks, and evaluated clinical and immunological parameters before aid after treatment.
RESULTS
Peripheral blood eosinophil counts were significantly decreased after treatment(P<0.05), and serum IgE level was decressed but not significantly. In immediate hypersensitivity reaction by pinprick test, antigen score was.significantly decreased, and in the evaiuation of cell mediated immunity to recall antigens, total induration score was significantly increased(p<0.05). The number of helper T cell and helper/suppressor 7 cell ratio in peripheral blood, and the niimber of helper T and suppressor T cell in skin lesion were both significantly decreased after treatment(P<0.05). Clinical state after treatrnent was good in all of patients.
CONCLUSION
The results indicate that CsA act on peripheral blood osinophil and immediate and delayed hypersensitivity reaction as well as helper T-cells in peripheral blood and skin lesion, and it may by useful in the treatrnent of severe AD.