This is a common misconception that springs up all the time, so let's talk industry bias in scientific research Does industry funding make a study bad - a tweetorialhttps://twitter.com/mabelyang/status/1103491457854423040 …
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The basic idea is similar to the one in the tweet above. You can find it anywhere Industry does research. But industry wants money. Therefore, their research is hopelessly biased, because they don't do research that doesn't earn them moneypic.twitter.com/dLyoXsLDoE
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The thing is, this isn't just a theoretical question. We can look at industry-funded trials and compare them to non-industry funded ones
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There are many ways of grading studies in terms of how "good" they are. One commonly-used (and in many ways gold standard) method is
@cochranecollab risk of bias tool https://methods.cochrane.org/bias/resources/rob-2-revised-cochrane-risk-bias-tool-randomized-trials …pic.twitter.com/km9rxwiqex
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Bias refers to elements that the study has failed to control for which may have influenced the outcome of the study For example, if the study had more dropouts in the intervention group, then it may have been biased
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So back to the original question Compared to non-industry trials, are industry trials (in terms of risk of bias)
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Replying to @GidMK
It depends: trial sponsors (industry & non-industry) should be interested in unbiased results, and industry often has more resources to conduct them (and is more scrutinised) - so lower bias here. But that's of course not always the case.
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Yep the higher scrutiny is a big differential - industry trials also get better when regulators pay attention 
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Replying to @GidMK
They need to enforce GCP etc to be taken seriously - which is not the case with many other studies. Once I criticised lack of QA as reviewer of a study - editor & author agreed that it was not necessary as authors were experts in the field!
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