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  • Title: A comparison of the efficacy of a bispyridinium oxime--1,4-bis-(2-hydroxyiminomethylpyridinium) butane dibromide and currently used oximes to reactivate sarin, tabun or cyclosarin-inhibited acetylcholinesterase by in vitro methods.
    Author: Kuca K, Cabal J, Kassa J.
    Journal: Pharmazie; 2004 Oct; 59(10):795-8. PubMed ID: 15544060.
    Abstract:
    The efficacy of a bispyridinium oxime 1,4-bis(2-hydroxyiminomethylpyridinium) butane dibromide, called K033, and of currently used oximes (pralidoxime, obidoxime, oxime HI-6), to reactivate acetylcholinesterase inhibited by various nerve agents (sarin, tabun cyclosarin) was tested by in vitro methods. The new oxime K033 was found to be a more efficacious reactivator of sarin or cyclosarin-inhibited acetylcholinesterase than pralidoxime and obidoxime but it did not reach the efficacy of oxime HI-6 in the case of the inhibition of acetylcholinesterase by sarin or cyclosarin. On the other hand, oxime K033 was more efficacious than oxime HI-6 in reactivating tabun-inhibited acetylcholinesterase. Thus, oxime K033 seems to be a relatively efficacious broad spectrum acetylcholinesterase reactivator and, therefore, could be useful if no information about the type of nerve agent used was available.
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