Jul 1, 1989

Potentiated nephrotoxicity of cisplatin when combined with amikacin comparing young and adult rats

Pediatric Nephrology : Journal of the International Pediatric Nephrology Association
H T JongejanJ C Molenaar


We compared the nephrotoxic interaction between cisplatin (CP) and amikacin (AM) in young and adult rats, using different dosage combinations. Following a single i.v. dose of CP, AM was administered s.c. for 14 days. The dose of CP was chosen to cause a 20%-50% fall in the glomerular filtration rate (GFR), while a dose of AM was chosen that had only a minimal effect on GFR. In adult rats, a decrease in GFR to 60% of the control value after CP alone was seriously aggravated by a non-toxic AM course given during 2 weeks after CP. In this combination, the GFR per 100 g body weight was reduced to 30% of control at week 2, which rose to 40% of control at week 15. In young rats, a non-toxic AM course did not aggravate the CP-induced impairment in GFR. However, when the dose of AM was increased to cause a 20% reduction in the GFR, the nephrotoxicity was potentiated. When measured at week 2, the GFR per 100 g body weight was 40% of control after the combined treatment compared with 80% of control after CP alone. As in adult rats, there was only a partial recovery of the GFR. In conclusion, in both adult and young rats, a course of AM following a single injection of CP potentiated CP-induced nephrotoxicity.

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Mentioned in this Paper

August Rats
Hearing Loss, CISPLATIN-INDUCED, Susceptibility TO
Weighing Patient
Glomerular Filtration Rate
Amikacin Assay
Drug Augmentation

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