PaperThe vascular protection of ditazole (cas 18471-20-0) and its effect on arachidonic acid metabolism

Add time:09/03/2019    Source:sciencedirect.com

ditazole (cas 18471-20-0) (4,5-diphenyl-2-bis-(2-hydroxyethyl)-aminoxazol) is a weak anti-inflammatory drug and has been shown to inhibit thrombus formation following electrically stimulated vascular damage in the microcirculation of the hamster cheek pouch. The drug was found to inhibit thromboxane A2 (TXA2) production ex vivo as determined by radioimmunoassay (RIA) and to reversibly antagonise the effect of TXA2 on smooth vascular tissue. However, in contrast to acetylsalicylic acid (ASA), it does not inhibit vessel cyclo-oxygenase. The apparent vascular protective effect of ditazole could not be ascribed to an enhanced production of vascular prostacyclin (PGI2) since the latter, when estimated ex vivo by RIA, was not enhanced following oral treatment with the drug. It is suggested that the mode-of-action of ditazole may be different from the cyclo-oxygenase/PG synthetase blocking action of most other non-steroidal anti-inflammatory drugs.

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