Pharmacokinetic behaviour of the chemoprotectants BNP7787 and mesna after an i.v. bolus injection in rats

M. Verschraagen, E. Boven, E. Torun, C. A M Erkelens, F. H. Hausheer, W. J F Van Der Vijgh

Research output: Contribution to journalArticlepeer-review

Abstract

In preclinical studies, BNP7787 (disodium 2,2′-dithio-bis-ethane sulphonate), the disulphide form of mesna, has demonstrated selective protection against cisplatin-induced nephrotoxicity due to conversion into mesna inactivating toxic platinum species. Mesna (sodium 2-mercapto ethane sulphonate), however, can affect the antitumour activity of cisplatin, while BNP7787 does not interfere with the antitumour activity. To understand the difference in interference with cisplatin-induced antitumour activity between BNP7787 and mesna as well to characterise the selective nephroprotection by BNP7787, the pharmacokinetics of BNP7787 and mesna, each given i.v. 1000 mgkg-1, were determined in plasma, kidney, liver, red blood cells (RBC), skeletal muscle and tumour of Fischer rats bearing subcutaneously implanted WARD colon tumours. The following results were obtained: (1) high concentrations of BNP7787 and mesna were observed in the plasma and kidney after administration of BNP7787 or mesna, except for mesna in plasma after BNP7787 administration; (2) in all other sampled compartments, the AUC values of both compounds were at least 5.5-fold lower than the corresponding values in kidney; (3) the AUC of mesna in plasma after mesna administration was comparable to the AUC of mesna in kidney after a dose of BNP7787 that can completely prevent cisplatin-induced nephrotoxicity in rats; (4) the AUC of mesna in plasma was five-fold higher relative to the AUC of mesna following BNP7787 administration (P

Original languageEnglish (US)
Pages (from-to)1654-1659
Number of pages6
JournalBritish Journal of Cancer
Volume90
Issue number8
DOIs
StatePublished - Apr 19 2004
Externally publishedYes

Keywords

  • BNP7787
  • Kidney
  • Mesna
  • Pharmacokinetics
  • Plasma
  • Tumour

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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