Journal of the National Cancer Institute Advance Access originally published online on May 26, 2009
JNCI Journal of the National Cancer Institute 2009 101(11):780-781; doi:10.1093/jnci/djp150
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© Oxford University Press 2009.
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Antiangiogenesis Research Is Booming, As Questions and Studies Proliferate
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In a recent analysis of a large observational study, bevacizumab (Avastin), an inhibitor of angiogenesis, was associated with favorable survival rates in patients whose colorectal cancer had already progressed. Those taking bevacizumab with chemotherapy had a median overall survival of 32 months, compared with 20 months for those who did not receive bevacizumab beyond first-line therapy. The difference was statistically significant.
The analysis, published in November, was based on data from a patient registry known as BRiTE, which is designed primarily to gather information on adverse events and secondarily on progression-free and overall survival. Nevertheless, the positive results buoyed researchers.
"We did not expect patients to receive such a magnitude of benefit," said lead investigator Axel Grothey, M.D., a professor at the Mayo Clinic in Rochester, Minn. The researchers concluded that bevacizumab beyond initial disease progression might benefit patients who
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