Tuberc Respir Dis > Volume 44(5); 1997 > Article
Tuberculosis and Respiratory Diseases 1997;44(5):1063-1071.
DOI:    Published online October 1, 1997.
Effect of Short Term Treatment with Different Dosage of Inhaled Flucatisone Propionate on Basal Cortisol Concentration.
Hyun Jung Kim, Hyoung Sik Kim, Hong Lee, Seok Tae Lim, Sung Gi Moon, Ji Hyun Park, Heung Bum Lee, Yong Chul Lee, Yang Keun Rhee
Department of Internal Medicine, Chonbuk National University Medical School, Chonbuk University, Chinju, Korea.
The efficacy of oral corticosteroids in the treatment of chronic asthma is undisputed, but their long-term use is associated with adverse side-effects, including supression of the hypothalamic-pituitary adrenal axis function, osteoporosis, weight gain, hypertension and impaired glucose tolerance. The introduction of inhaled corticosteroids in the early 1970's represented a significant therapeutic advance in the management of asthma, since these compounds combined high topical potency with low systemic activity. Fluticasone propionate is a new topically active synthetic glucocorticosteroid that combinds a high degree of efficacy with negligible systemic bioavailability. This study was perfomed to determine the effect of inhaled fluticasone propionate on the adreocortical supression in patients with bronchial asthma or chronic obstructive pulmonary disease. METHODS: The adrenocortical function was assessed by measurement of plasma cortisol concentration at 8 o'clock in morning and free cortisol in 24 hour urine collection at intervaL Absolutely, no steroid was taken during pretreatment period of l0days. There after each subject inhaled fluticasone aerosol, in daily doses of 500 or l000 mierograms for l2days. The dose was delivered by metered dose inhaler(MDI). RESULTS: The serum cortisol and 24hour urinary free cortisol were not decreased during the treatment period in patients with inhaled fluticasone propionate in daily doses of 500 micrograms. In contrast, serum cortisol was significantly decreased on 9th and 12th day(p less than 0.05). And, 24hour urinary free cortisol was also significantly decreased on 3rd and 12th day of treatement period(p less than 0.05) in patients with inhaled fluticasone in daily doses of 1000 micrograms. CONCLUSION: These results suggested that endogenous cortisol secretion was not supressed after short-term inhalation of fluticasone in daily dose of 500 micrograms, but in daily dose of 1000 micrograms, the endogenous cortisol secretion was supressed.
Key Words: Fluticasone propionate, Basal cortical concentration
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