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  • Title: Effect of high dose inhaled corticosteroids on cell mediated immunity in patients with asthma.
    Author: Lee C, Klaustermeyer WB.
    Journal: Allergol Immunopathol (Madr); 2012; 40(2):100-3. PubMed ID: 22236734.
    Abstract:
    BACKGROUND: Cell mediated immunity is suppressed by systemic corticosteroids. Inhaled corticosteroids have been shown to affect parameters including bone metabolism, hypothalamus-pituitary adrenal axis, linear growth, and lead to the development of cataracts. However, it is unclear if high dose inhaled corticosteroid therapy affects cell mediated immunity. STUDY OBJECTIVES: To evaluate if asthma patients taking high dose inhaled corticosteroids chronically have reduced cell mediated immunity compared to asthma patients not taking inhaled corticosteroids. METHODS: Eighteen asthmatic subjects participated in this cross-sectional study. Cell mediated immunity was evaluated in nine patients who had been taking high dose inhaled corticosteroids for >6 months and nine patients not taking inhaled corticosteroids. Cell mediated immunity was evaluated by delayed type hypersensitivity (DTH) skin testing with intradermal placement of candida and tetanus antigens. RESULTS: There was no significant difference in DTH skin test results between the high dose inhaled corticosteroid and no corticosteroid treated asthma group. CONCLUSION: Patients with asthma taking high dose inhaled corticosteroids chronically (>6 months) did not have significantly greater impaired cell mediated immunity than patients not taking inhaled corticosteroids in this study.
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