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Any double blind, placebo controlled HCQ study yet?

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Not a lot, many observational.

Here is one double blinded placebo controlled with results.

The PATCH Trial (Prevention And Treatment of COVID-19 With Hydroxychloroquine) (PATCH)

https://clinicaltrials.gov/ct2/show/NCT043299...amp;rank=1

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Study met pre-specificied futility analysis at planned second interim analysis)

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