Therapy of human ovarian cancer xenografts with intraperitoneal liposome encapsulated muramyl-tripeptide phosphoethanolamine (MTP-PE) and recombinant GM-CSF
1991

Treatment of Ovarian Cancer with Liposome-Encapsulated MTP-PE

Sample size: 32 publication Evidence: moderate

Author Information

Author(s): S.T.A. Malik, D. Martin, I. Hart, F. Balkwill

Primary Institution: Imperial Cancer Research Fund

Hypothesis

Can intraperitoneal therapy with liposome-encapsulated MTP-PE improve survival in human ovarian cancer xenografts?

Conclusion

Intraperitoneal therapy with liposome-encapsulated MTP-PE significantly prolonged survival in mice with ovarian cancer xenografts.

Supporting Evidence

  • 80% of mice with the OS xenograft were cured after treatment.
  • The median survival time for the LA xenograft was approximately doubled.
  • Combination therapy with GM-CSF and MTP-PE significantly improved survival in some models.

Takeaway

This study tested a new treatment for ovarian cancer using a special medicine that helps mice live longer after getting cancer.

Methodology

Mice with ovarian cancer xenografts were treated with intraperitoneal injections of liposome-encapsulated MTP-PE and/or GM-CSF, and survival was monitored.

Limitations

The study did not optimize the frequency or duration of liposome administration, which may affect results.

Participant Demographics

Mice were 6-12 weeks old, specific pathogen-free, athymic (nu/nu) females of mixed genetic background.

Statistical Information

P-Value

p<0.1 for LA and OS xenografts; p<0.5 for HU xenograft

Statistical Significance

p<0.05

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