Comparative Effectiveness of Five Newly Synthesized Arsenical Compounds in Treatment of Leukemia in Mice

Abstract
Five trivalent organic arsenical compounds (with the As not attached to the benzene ring) were compared along with K arsenite for their ability to prolong the lives of Ak mice affected with transmitted lymphoid and myeloid leukemia. The compounds tested were: (1) arsenic-tris-(N4-mercaptoacetyl-Nl-benzoyl sulfanilamide Na); (2) tris-(beta-diethylaminoethylthio) arsine HC1; (3) arsenic-tris-(N4-tartaryl-N1-2-thiazolylsulfanilamide Na); (4) tris (beta-hydroxyethylthio) arsine; (5) tris (beta-carboxy-beta-aminoethylthio) arsine. While all of the treated groups of animals showed a significant difference from the untreated control groups, there was little difference among the treated groups. In only 1 group was compound 5 more effective against lymphoid leukemia, than arsenite.

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