antiendotoxin

noun

an·​ti·​en·​do·​tox·​in -ˌen-dō-ˈtäk-sən 

: a substance (such as an antibody) that inhibits or counteracts the effects of a bacterial endotoxin

Antiendotoxin would potentially block the effects of endotoxin in patients with sepsis.

—Joanne L. Wright, in Thurlbeck's Pathology of the Lung, 3rd edition

To date, treatments with antiendotoxin agents … have not been effective in saving lives in either traumatic or septic shock.

—Robert M. Hardaway, Military Medicine