Antitumour response and nephrotoxicity following intraperitoneal administration of a slow release formulation of cisplatin to rats bearing cancers restricted to the peritoneal cavity
1991

Slow Release Formulation of Cisplatin Reduces Nephrotoxicity in Rats

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): G. Los, W. Kop, M.J.M. Deurloo

Primary Institution: The Netherlands Cancer Institute

Hypothesis

Can a slow release formulation of cisplatin reduce nephrotoxicity while maintaining antitumour efficacy in rats?

Conclusion

Using a slow drug release system for cisplatin reduced renal toxicity but did not improve the antitumour response.

Supporting Evidence

  • Creatinine levels in plasma decreased when cisplatin was incorporated into the slow release system.
  • Survival time increased for all treatments compared to the control group.
  • Platinum concentrations in tumors were comparable after both treatment methods after 7 days.

Takeaway

This study found that a special way of giving a cancer drug can help protect the kidneys, but it didn't make the drug work better against the tumors.

Methodology

Rats with peritoneal tumors were treated with either free cisplatin or a slow release formulation, and their survival and kidney function were measured.

Limitations

The study may have been affected by the rapid clearance of the drug from the peritoneal cavity, leading to uneven drug distribution.

Participant Demographics

Male WAG/Rij rats, 8-12 weeks old.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

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