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US health official apologizes for touting false plasma data

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Agence France-Presse

<div class="embed-wrap"><figure data-feedback="fb:likes,fb:comments"><img src="http://sa.kapamilya.com/absnews/abscbnnews/media/2020/afp/08/25/20200423-covid19-plasma-donation-pgh-afp-2.jpg?ext=.jpg"/><figcaption>A nurse (left) checks on a patient who has recovered from the COVID-19 coronavirus as he undergoes a procedure to donate plasma at a hospital in Manila on April 22, 2020. Scientists have pointed to the potential benefits of plasma -- a blood fluid -- from recovered individuals who have developed antibodies to the COVID-19 coronavirus enabling the body&#x27;s defenses to attack it. Maria Tan, AFP</figcaption></figure></div>WASHINGTON - Dr. Stephen Hahn, the commissioner of the US Food and Drug Administration, apologized Monday after misrepresenting a key statistic on how effective blood plasma is for treating COVID-19 when announcing an emergency approval measure. The US on Sunday issued emergency approval for plasma taken from recovered coronavirus patients, so that more people can get access to the experimental treatment.<ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/overseas/08/24/20/us-announces-approval-of-plasma-treatment-against-virus">US announces approval of plasma treatment against virus</a></li></ul>But Hahn and other senior health officials came under fire from experts after repeating a claim made by President Donald Trump that blood plasma from recovered COVID-19 patients reduced mortality rates by 35 percent.&quot;What that means is -- and if the data continue to pan out -- 100 people who are sick with COVID-19, 35 would have been saved because of the administration of plasma,&quot; Hahn said Sunday, after Trump had called it &quot;a tremendous number.&quot;Health secretary Alex Azar added: &quot;I just want to emphasize this point, because I don&#x27;t want you to gloss over this number. We dream in drug development of something like a 35 percent mortality reduction. This is a major advance in the treatment of patients. This is a major advance.&quot;Such a reduction would indeed be a game changer in the fight against the pandemic -- but the statistic is false.The officials said these results came from a study of 35,000 patients conducted by Mayo Clinic, but Dr Scott Wright, the study&#x27;s leader, told AFP it did not come from his institution&#x27;s research. He said he believed it might be an &quot;integrated analysis&quot; the FDA had arrived at by looking at both Mayo&#x27;s work and other studies.FDA spokeswoman Emily Miller later tweeted that 35 percent referred to the relative difference in mortality risk between those patients in Mayo&#x27;s study who received a high level of antibodies against those who received a low level of antibodies.&quot;I have been criticized for remarks I made Sunday night about the benefits of convalescent plasma,&quot; said Hahn in a tweet thread on Monday night. &quot;The criticism is entirely justified. What I should have said better is that the data show a relative risk reduction not an absolute risk reduction.&quot;But it was not immediately clear which figures the FDA had used from the Mayo study to arrive even at this far more modest claim. The study has not yet been peer-reviewed and is available in &quot;preprint&quot; form on a medical research server, so it remains possible that more data will eventually be forthcoming.The scientific community is divided on whether plasma should have received an emergency use approval. Early research suggests it may be helpful and safe but no clinical trials -- considered the gold standard of medical research -- have yet found conclusively in its favor.Political commentators have questioned the timing of the FDA&#x27;s latest move as Trump lags in polls before the November election.ia/st<div>© Agence France-Presse</div>

WASHINGTON - Dr Stephen Hahn, the commissioner of the US Food and Drug Administration, apologized Monday after misrepresenting a key statistic on how effective blood plasma is for treating COVID-19 when announcing an emergency approval measure.

WASHINGTON - Dr Stephen Hahn, the commissioner of the US Food and Drug Administration, apologized Monday after misrepresenting a key statistic on how effective blood plasma is for treating COVID-19 when announcing an emergency approval measure.