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Arzneimittelforschung. 1993 May;43(5):550-3.

Antitussive effect of oxatomide on citric acid-induced cough in conscious guinea pig. Preliminary communication.

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Center for Respiratory Pharmacology, School of Medicine, University of Milan, Italy.


Oxatomide (CAS 60607-34-3), a diphenylmethyl-piperazine benzimidazole derivative is a new oral antiallergic drug useful in asthma in preventing allergic attacks. Using the model of citric acid-induced coughing in the unanesthetized, unrestrained guinea pig the antitussive effect of oxatomide was investigated. The animals were treated with logarithmically increasing doses of oxatomide (0.5, 1, 2 mg/kg, suspended in 0.5 ml of polyethylene glycol 200 + 0.5 ml of saline) and with the vehicle alone administered intraperitoneally (1 ml) 45 min before the challenge. Oxatomide reduced the number of coughs during the 3 min of challenge, lengthened the time of onset and reduced the number of coughs after cessation of the challenge significantly and a linear dose-effect regression was observed.

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