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British medical journal · Apr 1975
Randomized Controlled Trial Comparative Study Clinical TrialComparison of intravenous AH 5158 (ibidomide) and propranolol in asthma.
- C Skinner, J Gaddie, and K N Palmer.
- Br Med J. 1975 Apr 12;2(5962):59-61.
AbstractThe 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.
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