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Nedocromil sodium is more potent than sodium cromoglycate against AMP-induced bronchoconstriction in atopic asthmatic subjects.

作者信息

Richards R, Phillips G D, Holgate S T

机构信息

Medicine I, Level D, Centre Block, Southampton General Hospital, U.K.

出版信息

Clin Exp Allergy. 1989 May;19(3):285-91. doi: 10.1111/j.1365-2222.1989.tb02385.x.

DOI:10.1111/j.1365-2222.1989.tb02385.x
PMID:2544248
Abstract

Nedocromil sodium is a new chemical entity which shows similar properties to sodium cromoglycate (SCG) and in addition exhibits a preferential activity in stabilizing mucosal mast cells. We have compared the effect of inhalation of nebulized placebo, SCG and nedocromil sodium on the bronchoconstrictor response to inhaled adenosine monophosphate (AMP) in eight atopic asthmatic subjects aged 25 yr (range 21-32 yr). The geometric mean provocation doses of AMP required to produce a 20% decrease in FEV1 (PD20FEV1) and a 40% decrease in Vmax30 (PD40 Vmax30) following placebo were 4.9 (0.3-14.2) and 1.8 (0.1-8.4) mumol respectively. Prior inhalation of both SCG and nedocromil sodium significantly inhibited the bronchoconstrictor response to AMP with PD20FEV1s of 36.6 (4.0-132.7) and 134 (12.4-560), and PD40 Vmax30 values of 20.5 (1.4-110) and 101.6 (5-560) mumol respectively (P less than 0.001). Nedocromil sodium was 3.9 (FEV1) and 8.0 (Vmax30) times more potent than SCG (P less than 0.001). In conclusion, both drugs inhibit the bronchoconstrictor response to inhaled AMP, and nedocromil is at least 4-8 times more potent than SCG.

摘要

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