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  • Title: A comparison of the efficacy of new asymmetric bispyridinium oxime BI-6 with other oximes (obidoxime, HI-6) against soman in rats.
    Author: Kassa J.
    Journal: Hum Exp Toxicol; 1998 Jun; 17(6):331-5. PubMed ID: 9688357.
    Abstract:
    1. The influence of three oximes (obidoxime, HI-6 and the new asymmetric bispyridinium oxime BI-6) in combination with atropine on soman-induced cholinergic and stressogenic effects in rats was studied. 2. The oxime BI-6 produced significantly higher reactivation of soman-inhibited blood and diaphragm cholinesterases than obidoxime. On the other hand, its reactivating effect was not so high as the effect of the oxime HI-6. 3. There were not significant differences in the reactivation of soman-inhibited brain acetylcholinesterase among all three oximes tested. 4. The influence of the oxime BI-6 on soman-induced stressogenic effects was greater than the antistressogenic effects of HI-6 or obidoxime at 1 h or 3 h following soman poisoning. 5 These findings confirm that the oxime BI-6 has no definite advantages over HI-6 in the antidotal treatment of soman poisoning but BI-6 is significantly more effective in rats than obidoxime, one of the oximes presently in use.
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