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.
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Bianco S., Griffin J. P., Kamburoff P. L., Prime F. J. The effect of thymoxamine on histamine induced bronchospasm in man. Br J Dis Chest. 1972 Jan;66(1):27–32. [PubMed] [Google Scholar]
- Boakes A. J., Knight E. J., Prichard B. N. Preliminary studies of the pharmacological effects of 5-[1-hydroxy-2-((1-methyl-3-phenylpropyl)amino)-ethyl] salicylamide (AH 5158) in man. Clin Sci. 1971 Apr;40(4):18P–19P. doi: 10.1042/cs040018pa. [DOI] [PubMed] [Google Scholar]
- Farmer J. B., Kennedy I., Levy G. P., Marshall R. J. Pharmacology of AH 5158; a drug which blocks both - and -adrenoceptors. Br J Pharmacol. 1972 Aug;45(4):660–675. doi: 10.1111/j.1476-5381.1972.tb08125.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Gaddie J., Legge J. S., Petrie G., Palmer K. N. The effect of an alpha-adrenergic receptor blocking drug on histamine sensitivity in bronchial asthma. Br J Dis Chest. 1972 Apr;66(2):141–146. [PubMed] [Google Scholar]
- Kerr J. W., Govindaraj M., Patel K. R. Effect of alpha-receptor blocking drugs and disodium cromoglyate on histamine hypersensitivity in bronchial asthma. Br Med J. 1970 Apr 18;2(5702):139–141. doi: 10.1136/bmj.2.5702.139. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Leary W. P., Coleman A. J., Asmal A. C. Respiratory effects of acebutolol hydrochloride. S Afr Med J. 1973 Jul 21;47(28):1245–1248. [PubMed] [Google Scholar]
- Macdonald A. G., McNeill R. S. A comparison of the effect on airway resistance of a new beta blocking drug, ICI.50,172 and propranolol. Br J Anaesth. 1968 Jul;40(7):508–510. doi: 10.1093/bja/40.7.508. [DOI] [PubMed] [Google Scholar]
- Palmer K. N., Diament M. L. Dynamic and static lung volumes and blood-gas tensions in bronchial asthma. Lancet. 1969 Mar 22;1(7595):591–593. doi: 10.1016/s0140-6736(69)91531-1. [DOI] [PubMed] [Google Scholar]
- Palmer K. N., Hamilton W. F., Lge J. S., Diament M. L. Effect of a selectivebeta-adrenergic blocker in preventing falls in arterial oxygen tension following isoprenaline in asthmatic subjects. Lancet. 1969 Nov 22;2(7630):1092–1094. doi: 10.1016/s0140-6736(69)90701-6. [DOI] [PubMed] [Google Scholar]