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  • Title: The evaluation of neuroprotective efficacy of newly developed oximes (K074, K075) and currently available oximes (obidoxime, HI-6) in cyclosarin-poisoned rats.
    Author: Kassa J, Karasova J, Vasina L.
    Journal: J Appl Toxicol; 2007; 27(6):621-30. PubMed ID: 17685413.
    Abstract:
    The neuroprotective effects of newly developed oximes (K074, K075) and currently available oximes (obidoxime, HI-6) in combination with atropine in rats poisoned with cyclosarin were studied. The cyclosarin-induced neurotoxicity was monitored using a functional observational battery at 24 h and 7 days following cyclosarin challenge. The results indicate that the oxime HI-6 combined with atropine seems to be the most effective antidote for a decrease in cyclosarin-induced neurotoxicity. Both newly developed oximes (K074, K075) as well as obidoxime are also able to counteract cyclosarin-induced acute neurotoxicity, but their neuroprotective potency is significantly lower compared with the oxime HI-6. Therefore, the oxime HI-6 is still the most suitable oxime for the antidotal treatment of acute poisonings with cyclosarin due to its neuroprotective as well as reactivating efficacy.
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