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The American Journal of Tropical Medicine and Hygiene
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0002-9637
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Amoscanate as a Topically Applied Chemical for Prophylaxis against Schistosoma Mansoni Infections in Mice

Lyford K. GreeneDepartment of Parasitology, Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Walter Reed Army Medical Center, Washington, D.C. 20307

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Marie M. GrenanDepartment of Parasitology, Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Walter Reed Army Medical Center, Washington, D.C. 20307

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David E. Davidson JR.Department of Parasitology, Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Walter Reed Army Medical Center, Washington, D.C. 20307

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Douglas H. JonesDepartment of Parasitology, Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Walter Reed Army Medical Center, Washington, D.C. 20307

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Tommy R. SheddDepartment of Parasitology, Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Walter Reed Army Medical Center, Washington, D.C. 20307

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DOI:
https://doi.org/10.4269/ajtmh.1983.32.1356
Volume/Issue:
Volume 32: Issue 6
Page(s):
1356–1363
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Amoscanate (0.1% w/v) in methanol solution applied to skin by tail immersion 1 day prior to cercarial exposure provided mice with better than 90% protection against mature Schistosoma mansoni infections. Cercariae penetrated and schistosomula migrated from treated skins as readily as in control skins. Lung incubation assays, however, indicated that day 7 lung worm burdens were only about half those of control values. By day 20, worm burdens were reduced further to approximately 15% of those for control mice. The delayed prophylactic activity was apparently not due to percutaneously absorbed compound. Wipe application of amoscanate to the skin was nearly as effective as immersion.
Copyright:
Copyright © 1983 by The American Society of Tropical Medicine and Hygiene 1983
Accepted:
21 Apr 1983
|
Published Online:
Nov 1983
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