The antitussive actions of the drug Ru 20201 given as an aerosol to cats

Author:

Korpas J1,Nosalova G1,Widdicombe J G2

Affiliation:

1. Department of Pathological Physiology and Pharmacology, Medical Faculty, Comenius University, Martin, CSSR

2. Department of Physiology, St. George's Hospital Medical School, Tooting, London SW17 0RE, UK

Abstract

Abstract The effect of the drug Ru 20201 (1,2,3,4,4a,9b-hexahydro-8,9b-dimethyl-4-[3-(4-methylpiperazin-1-yl)propionamido]dibenzofuran-3-one upon mechanically-evoked cough from the laryngopharyngeal and tracheobronchial areas in nine unanaesthetized cats has been examined. Inhalation of 2 ml of an aerosol of a 10% solution in water suppressed coughing for 30 min. The effect was greatest on the number of cough efforts. The expiratory component of cough was suppressed more than was the inspiratory one. The effect was greater on cough from the laryngopharyngeal than from the tracheobronchial area.

Publisher

Oxford University Press (OUP)

Subject

Pharmaceutical Science,Pharmacology

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