1986Allergy and Asthma ProceedingsRequires access

Icotidine, An Antagonist of Histamine at Both H1 and H2 Receptors

C. Robin Ganellin, Robert C Blakemore, Thomas Huntington Brown, D. G. Cooper, G. J. DURANT, Carol Ann Harvey, Robert J. Ife, D. A. A. Owen, Michael E. Parsons, A. C. Rasmussen, G. S. Sach

Open publisher page 11 citations

Abstract

SK&F 93319 (icotidine), 2-[4-(3-methoxypyrid-2-yl)butylamino]-5-[(6-methylpyrid-3-yl )-methyl]- pyrimidin-4-one trihydrochloride, has been identified as a novel agent which combines into one molecule the ability to antagonize the actions of histamine at H1 and H2 receptors across a similar concentration or dose range. The degree of antagonism of vascular responses to histamine exceeds that possible with either an H1- or H2-receptor histamine antagonist alone. SK&F 93319 may have therapeutic utility in conditions requiring simultaneous antagonism of histamine at H1 and H2 receptors.

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What this paper is about

SK&F 93319 (icotidine), 2-[4-(3-methoxypyrid-2-yl)butylamino]-5-[(6-methylpyrid-3-yl )-methyl]- pyrimidin-4-one trihydrochloride, has been identified as a novel agent which combines into one molecule the ability to antagonize the actions of histamine at H1 and H2 receptors across a similar concentration or dose range. The degree of antagonism of vascular responses to histamine exceeds that possible with either an H1- or H2-receptor histamine antagonist alone. SK&F 93319 may have therapeutic utility in conditions requiring simultaneous antagonism of histamine at H1 and H2 receptors.

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Available abstract

SK&F 93319 (icotidine), 2-[4-(3-methoxypyrid-2-yl)butylamino]-5-[(6-methylpyrid-3-yl )-methyl]- pyrimidin-4-one trihydrochloride, has been identified as a novel agent which combines into one molecule the ability to antagonize the actions of histamine at H1 and H2 receptors across a similar concentration or dose range. The degree of antagonism of vascular responses to histamine exceeds that possible with either an H1- or H2-receptor histamine antagonist alone. SK&F 93319 may have therapeutic utility in conditions requiring simultaneous antagonism of histamine at H1 and H2 receptors.

Key concepts: Antagonism, Histamine, Antagonist, Receptor, Histamine receptor, Histamine H4 receptor, Pharmacology, Histamine H2 receptor

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