Quality assessment and characterization of unregulated antiviral drugs for feline infectious peritonitis
Most of the GS-441524 samples tested were similar in purity and composition, both between batches and between brands
Feline infectious peritonitis is fatal, and due to lack of approved treatments, unregulated antiviral drugs are used to treat this disease. This study set out to determine the purity of various batches of these drugs from several companies, characterize them, and note any impurities or other unusual characteristics. We also developed a method to qualitatively assess the primary components before administration.
The authors tested 30 vials from 17 brands of GS-441524 and 5 vials from 1 brand of GC376. We compared the GS-441524 to a control standard from Ambeed and the GC376 to a standard from Cayman Chemical.
Some of the GS-441524 ...
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