alexa Assessment of efficacy of activated charcoal for treatment of acute T-2 toxin poisoning.


Journal of Clinical Toxicology

Author(s): Fricke RF, Jorge J

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Abstract "Superactive" charcoal was assessed for efficacy in decreasing the lethality of both oral and parenteral exposure to T-2 toxin, a fungal metabolite which can cause death or illness upon ingestion. In vitro binding studies, analyzed using the Langmuir adsorption isotherm, showed that activated charcoal had a maximal binding capacity of 0.48 mg toxin/mg charcoal and a dissociation constant of 0.078 mg charcoal/l. In vivo, orally administered, activated charcoal was assessed for treatment of acute oral or parenteral exposure to T-2 toxin in mice. Following oral toxin administration (5 mg/kg), untreated mice showed only 6\% survival after 72 hr. Charcoal treatment (7 g/kg,po) either immediately or 1 hr after toxin exposure resulted in significant improvement in survival with values of 100\% and 75\%, respectively. Following parenteral toxin exposure (2.8 mg/kg, sc), untreated and charcoal-treated (7 g/kg, po) mice showed 50\% and 90\% survival, respectively, after 72 hr. LD50 value for T-2 toxin, determined at 96 hr after intoxication, increased significantly from 2 mg/kg for untreated controls to 4.5 mg/kg for activated charcoal treatment.
This article was published in J Toxicol Clin Toxicol and referenced in Journal of Clinical Toxicology

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