Friday, May 16, 2008

Publication Bias

It seems that Herceptin is not quite as good as it was made out to be. It appears that, yet again, unpublished data has been found that counteracts some of the positive results that were published. Unpublished research, sometimes know as grey research / grey data amounts to bias in the evidence.

When I put out a press release urging caution on Herceptin a couple of years ago, I received an interesting letter from Roche telling me how wrong I was!

This is from the Guardian and the article in The Lancet

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