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University Hospital, UT Health San Antonio begin second phase of patient testing for promising COVID-19 drug

First phase of remdesivir clinical trial showed patients recover faster, lower death rates

SAN ANTONIO – The COVID-19 Infectious Disease team at University Health System and UT Health San Antonio has launched the second stage of a clinical trial involving a coronavirus drug that has delivered promising results.

According to a news release, the second phase of the remdesivir clinical trial follows encouraging results from the initial part of the study that included a total of 1,063 patients, including 20 from University Hospital, at 75 U.S. and international sites. The number of sites is now being expanded to around 100.

The trial is sponsored by the National Institute of Allergy and Infectious Diseases.

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In the study, which began on Feb. 21, the initial group received either remdesivir or a placebo. Results showed remdesivir improved recovery time by 31% from 15 to 11 days and improved the death rate from 11.6% to 8%. On May 1, the U.S. Food and Drug Administration cited the promising results and gave emergency authorization for the drug to be used for qualified, hospitalized COVID-19 patients outside of the clinical trial.

In this second phase of the trial, the COVID-19 Infectious Disease team will administer an anti-inflammatory medication along with the remdesivir to see if they can improve outcomes even further.

Some of the hospitalized patients who qualify and consent to the study will be given remdesivir and baricitinib, an anti-inflammatory used to treat rheumatoid arthritis. Others will receive remdesivir plus a placebo. Because this is a double-blind clinical trial, neither the medical teams nor the patients will know who has received which treatment.

“Baricitinib and other drugs could block inflammation and perhaps reduce some of the lung injuries or the pneumonias these patients are getting. If we could do that, it would substantially improve outcomes,” said Thomas Patterson, M.D., professor in the Long School of Medicine and chief of the Division of Infectious Diseases at UT Health San Antonio. Patterson is leading the study at University Hospital.

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Because there is currently no cure or vaccine to combat COVID-19, developing an effective treatment is vital. Patterson is hopeful the research study could eventually lead to an effective, oral treatment, like Tamiflu, an antiviral medication that prevents the virus from multiplying and often lessens the severity of the illness.

“By identifying patients early, and having an easy-to-give oral therapy, we could not only prevent bad side effects and symptoms down the road, but we could also improve outcomes in those patients,” Patterson said.


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