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Detection of genotoxic substances in cancer patients receiving antineoplastic drugs

A Kohn1, M Donchin, J Y Jacobs

  • 1Department of Human Microbiology, Sackler School of Medicine, Tel Aviv University, Israel.

Annals of the New York Academy of Sciences
|January 1, 1988
PubMed

Insights

The SOS Chromotest detects genotoxic anticancer drug metabolites in patient urine. This bacterial mutation test quantifies DNA damage, aiding in monitoring cancer treatment safety.

Area of Science:

  • Biochemistry
  • Toxicology
  • Pharmacology

Background:

  • Antineoplastic drugs can produce genotoxic metabolites.
  • Monitoring drug excretion is crucial for cancer patient safety.
  • Existing methods for metabolite detection can be complex.

Purpose of the Study:

  • To evaluate the SOS Chromotest for detecting genotoxic metabolites of anticancer drugs in urine.
  • To establish kinetic excretion profiles of common antineoplastic agents.
  • To compare extraction techniques for drug concentration from biological samples.

Main Methods:

  • Utilized the SOS Chromotest, a bacterial mutation assay.
  • Quantified beta-galactosidase production as an indicator of DNA damage.
  • Constructed kinetic excretion curves using standard curves in urine.
  • Investigated selective resin and silica column chromatography for drug extraction.

Main Results:

  • Demonstrated the SOS Chromotest's ability to detect genotoxic metabolites.
  • Generated excretion kinetic curves for adriamycin, bleomycin, dacarbazine, cis-platinum, and vincristine.
  • Presented comparative data on drug extraction efficiency from urine and serum.

Conclusions:

  • The SOS Chromotest is a viable method for monitoring genotoxic anticancer drug metabolites in patient urine.
  • Kinetic excretion data can inform therapeutic drug monitoring and toxicity assessment.
  • Efficient extraction methods are essential for accurate metabolite quantification.

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