What Trump is set to announce at 6pm: The FDA is to approve wider use of coronavirus survivors' blood as treatment
politico.com/news/2020/08/2…
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While plasma treatment has been used safely against diseases from diphtheria to Ebola over the past 130 years, its track record on effectiveness is mixed. And it has not yet been proven to work against the coronavirus.
At least four former FDA chiefs have urged the agency to hold off an emergency authorization until there is clear data that plasma works.
The latest study, published on Aug. 12 but not peer-reviewed, did not include a control group that would have allowed the researchers to determine whether the plasma treatment reduced the risk of death when compared to standard care.
Data from 35,000 patients examined how they fared a month after receiving plasma. 21.6% given the treatment within three days of diagnosis died compared 26.7% who received the treatment later.
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