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Re:The danger of surrogate metrics (2007) by hprotagonist on Saturday July 04, 2020 @11:24AM (#23732864)
In the bio/pharma scene, this is most cruelly illustrated (in recent times) with this example failure: https://blogs.sciencemag.org/pipeline/archives/2017/05/18/no...

tldr:

- statins have a measurable effect on HDL and LDL levels that correlates really well with how much they reduce your risk of dying, and that risk reduction is real and big.

- therefore HDL/LDL levels shall be a great surrogate metric for new drugs; let's go find some.

- we found this great drug that does even better than statins do at HDL/LDL level changes

- two years and 12k patients in trials later: this new drug doesn't affect mortality literally at all.

- ...crap.

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