1921
Volume s1-31, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Summary

It appears, therefore, that there is a specific relation between the toxic activity of a compound to the sporozoites of and its curative activity against the forms that produce relapse in malaria since only those compounds which have a curative action in malaria equal to or greater than pamaquine are specifically toxic to the sporozoites of , whereas those compounds with no curative action, or a curative activity below that of pamaquine, have no discernible effect on the sporozoites of this parasite. It seems not unlikely, therefore, that there may be a physiological similarity, at least in drug reaction, between the sporozoites of and the forms responsible for relapse in .

Thus, this relation should provide a reliable method for the evaluation of compounds for possible therapeutic or curative activity in malaria, eliminating thereby the most serious defect, already noted, inherent in testing methods utilizing the vertebrate cycle of experimental animal malarias. Furthermore, both and are comparatively easy and inexpensive to maintain in the laboratory, only very small samples of drug are required, and as a consequence, this technic would make possible an extensive and accelerated drug testing program at very little cost.

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/content/journals/10.4269/ajtmh.1951.s1-31.692
1951-11-01
2017-11-18
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