Schedule-dependent response of neuroblastoma cell lines to combinations of etoposide and cisplatin
2002

Effects of Drug Timing on Neuroblastoma Treatment

publication Evidence: moderate

Author Information

Author(s): Meczes E L, Pearson A D J, Austin C A, Tilby M J

Primary Institution: The University of Newcastle upon Tyne

Hypothesis

Does the timing of administering etoposide and cisplatin affect their effectiveness against neuroblastoma cell lines?

Conclusion

Administering cisplatin before etoposide leads to a synergistic effect, while the reverse order results in antagonism.

Supporting Evidence

  • Administering cisplatin before etoposide resulted in a synergistic effect on neuroblastoma cells.
  • Reversing the order of drug administration led to antagonistic effects.
  • Combination index analysis showed that the effectiveness of the drugs depended on their timing.

Takeaway

When treating certain cancer cells, giving one medicine before another can make them work better together, but if you switch the order, they might not work as well.

Methodology

Neuroblastoma cell lines were treated with etoposide and cisplatin in various schedules, and their responses were analyzed using combination index methods.

Limitations

The study may not fully replicate clinical conditions, and results may vary with different patient responses.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600060

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