STAT July 6, 2020
The analysis for this story was based on data from clinicaltrials.gov, a public database that includes records of registered studies from around the world.
The website is used by a general audience, including patients, researchers, and trial administrators, and searches on a query like “Covid-19” produce results that may not relate directly to the disease — for instance, a study about an unrelated condition that mentions Covid-19 in passing in the description of the trial or in an auxiliary field in the database.
In order to mitigate the risk of including such results, a more detailed analysis was conducted on the complete dataset of nearly 350,000 current and historical records. That analysis helped weed out studies tangentially related to...
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