Am. J. Respir. Crit. Care Med., Vol 153, No. 3, Mar 1996, 1172-1175.
Effects of an inhaled steroid (budesonide) on skin collagen synthesis of asthma patients in vivo
P Autio, J Karjalainen, L Risteli, J Risteli, U Kiistala and A Oikarinen
Department of Dermatology, University of Helsinki, Finland.
Skin atrophy has been observed after prolonged use of inhaled
corticosteroids. We therefore studied the effect of inhaled budesonide and
nedocromil in patients with asthma on concentrations of procollagen
propeptides in suction blister fluid reflecting skin collagen synthesis in
vivo. Both types I and III procollagen propeptide concentrations decreased
significantly after 6 wk of either 1,600 micro g/day (n=10) or 400 micro
g/day (n=9) of inhaled budesonide but not in control subjects using inhaled
nedocromil 16 mg/day (n=9). The reduction in mean propeptide concentrations
ranged from 39 to 63%; the effects of the two budesonide doses did not
differ significantly. Thus, even a low dose of inhaled corticosteroid
represses skin collagen synthesis within a relatively short period.
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Copyright © 1996 American Thoracic Society
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