Cisplatin/carboplatin cross-resistance in ovarian cancer
1989

Cisplatin and Carboplatin Resistance in Ovarian Cancer

Sample size: 46 publication Evidence: low

Author Information

Author(s): M.E. Gore, I. Fryatt, E. Wiltshaw, T. Dawson, B.A. Robinson, A.H. Calvert

Primary Institution: Royal Marsden Hospital

Hypothesis

Is there clinical evidence for non-cross-resistance between cisplatin and carboplatin in ovarian cancer?

Conclusion

The study found that while some patients responded to the second platinum treatment, there was no significant survival advantage compared to non-responders.

Supporting Evidence

  • Three patients (6.5%) responded to the second treatment.
  • Patients who responded had no survival advantage compared to non-responders.
  • The overall response rate after switching treatments was low.

Takeaway

Doctors tried switching cancer patients from one type of medicine to another to see if it would help, but only a few got better.

Methodology

Patients with resistant ovarian cancer were treated with either cisplatin or carboplatin and then switched to the other drug.

Limitations

The number of responders was very small, making the findings likely not clinically valuable.

Participant Demographics

Patients had histologically confirmed epithelial ovarian cancer.

Statistical Information

P-Value

0.4

Statistical Significance

p=0.4

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