Inaccuracies Revealed In Studies Of Cancer Treatment

Courtesy ScienceDaily  Sun, 04/20/2008 - 23:00

Certain biases may exist in observational studies that compare outcomes of different cancer therapies, making the results questionable.

That is the conclusion of a new study published in Cancer. Clinical trials are considered the gold standard for demonstrating the effectiveness of new treatments for cancer, but observational studies, which do not involve randomization but where available data are nonetheless analyzed to make treatment comparisons, have also been used to provide information on how well patients respond to particular drugs.

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