Affiliation:
1. Department of Microbiology, College of Medicine, University of Utah, Salt Lake City, Utah
Abstract
The specificity of the first or “presumptive” portion of the USP rabbit pyrogen test was investigated by use of a new absolute standard of reference. The reference standard was a 0.9% sodium chloride solution prepared to be pyrogen-free. Details of the preparation were described. The hypothesis was explored that the temperature response of rabbits after intravenous injection of the standard solution was independent of exogenous pyrogen. Reactions observed among the rabbits in our colony allowed a classification of these animals ranging from “consistently reliable” to “consistently unreliable.” Details of the experimental results and implications for pyrogen testing are discussed. The recommendation was made that all rabbit test animals be “screened” in sham and actual tests before being used for pyrogen testing.
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
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