However, as pointed out by Dr. Ben Goldacre (Bad Pharma, p 225), no head-to-head comparative trials of statins have ever been done.

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Even though the NIH could be a big help, having it take over comparative trials of medicines could be a huge burden.

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Comparative effectiveness research involves running large, statistically robust clinical trials so we can judge how different therapies for a particular disease compare to each other.

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