Potentiation of radiation therapy by the oncolytic adenovirus dl1520 (ONYX-015) in human malignant glioma xenografts
2003

Combining ONYX-015 with Radiation Therapy for Brain Tumors

Sample size: 40 publication 10 minutes Evidence: high

Author Information

Author(s): Geoerger B, Grill J, Opolon P, Morizet J, Aubert G, Lecluse Y, van Beusechem V W, Gerritsen W R, Kirn D H, Vassal G

Primary Institution: Institut Gustave-Roussy

Hypothesis

Does the oncolytic adenovirus ONYX-015 enhance the effectiveness of radiation therapy in treating malignant gliomas?

Conclusion

The study found that ONYX-015 significantly enhances the antitumor effects of radiation therapy in human malignant glioma xenografts.

Supporting Evidence

  • ONYX-015 treatment resulted in significant tumor growth delay compared to controls.
  • Combination treatment led to 73% partial tumor regressions in one xenograft model.
  • Total body irradiation prior to ONYX-015 treatment showed additive tumor growth delay.

Takeaway

Researchers tested a virus called ONYX-015 to see if it could help radiation therapy work better for brain tumors, and it did!

Methodology

The study involved treating human malignant glioma xenografts in mice with ONYX-015 and radiation therapy, measuring tumor growth and regression.

Potential Biases

Potential bias in the selection of treatment groups and the interpretation of results.

Limitations

The study was conducted in animal models, which may not fully replicate human responses.

Participant Demographics

The study used female SPF-Swiss athymic nude mice bearing human glioma xenografts.

Statistical Information

P-Value

<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6601102

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