Comparison of intravenous AH 5158 (ibidomide) and propranolol in asthma.
- 12 April 1975
- Vol. 2 (5962), 59-61
- https://doi.org/10.1136/bmj.2.5962.59
Abstract
The cardiac and bronchial effects of AH 5158 and propranolol were compared in a double-blind, placebocontrolled intravenous study on 10 asthmatics. AH 5158, like propranolol, is a non-cardioselective beta-adrenoceptor-blocking drug, but unlike propranolol it also has an alpha-adrenoceptor-blocking action. Both drugs produced equivalent cardiac(beta1) blockade, but propranolol produced bronchoconstriction, whereas AH 5158 did not. Hence the alpha-blocking action of AH 5158 seems to prevent the bronchoconstrictor effects of propranolol in these patients.Keywords
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