Abstract
A study performed with cyclophosphamide (CP) and nor-nitrogen mustard (NNM), one of its main urinary metabolites, has shown that separation on Polygosil® C-18 resin is preferable to one on XAD-2 resin as a means of concentrating the mutagenic activity present in urine of rats given cytostatics such as CP. Mutagenic activity was detected, using Salmonella typhimurium tester strain TA1535. While NNM is irreversibly bound to XAD-2 resin, it can be recovered after elution with methanol on Polygosil C-18. The better efficacy of Polygosil® C-18 in concentrating CP and its metabolite(s) was confirmed with experiments with urine of rats treated with increasing doses of CP.
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