Protective effect of WEB 2086, a novel antagonist of platelet activating factor, in endotoxin shock.

Abstract:

:WEB 2086, a novel specific platelet activating factor (PAF) antagonist derived from triazolodiazepines, inhibited in a dose-related manner the hypotensive and lethal effect of PAF as well as of E. coli endotoxin in the rat. The hypotension induced by endotoxin (15 mg/kg i.v.) or PAF (30 ng/(kg X min) i.v.) in anaesthetized rats was prevented by oral (1-10 mg/kg) and inhibited or reversed by i.v. (0.1-5.0 mg/kg or 0.1-1.0 mg/kg) doses of WEB 2086. Similar oral and i.v. doses of WEB 2086 protected conscious rats from PAF (15 micrograms/kg i.v.)- and endotoxin (7.5 mg/kg i.v.)-induced death. The results obtained with WEB 2086 confirm that PAF has an important role in the pathophysiology of endotoxin shock. This compound may have a therapeutic effect in human septic shock.

journal_name

Eur J Pharmacol

authors

Casals-Stenzel J

doi

10.1016/0014-2999(87)90602-9

subject

Has Abstract

pub_date

1987-03-17 00:00:00

pages

117-22

issue

2

eissn

0014-2999

issn

1879-0712

pii

0014-2999(87)90602-9

journal_volume

135

pub_type

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