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Siemens SARS-CoV-2 Total Antibody Test Granted FDA Emergency Use Authorization

By LabMedica International staff writers
Posted on 23 Jun 2021
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Image: The Siemens Healthineers SARS-CoV-2 Total (COV2T) Assay (Photo courtesy of Siemens Healthineers)
Image: The Siemens Healthineers SARS-CoV-2 Total (COV2T) Assay (Photo courtesy of Siemens Healthineers)
Siemens Healthineers (Erlangen, Germany) has been issued an Emergency Use Authorization (EUA) by the US Food and Drug Administration (FDA) for its laboratory-based total antibody test to detect the presence of SARS-CoV-2 antibodies, including IgM and IgG in blood.

Test data demonstrated 100% sensitivity and 99.8% specificity. Siemens’ Total Antibody COV2T assay allows for identification of patients who have developed an adaptive immune response, which indicates recent infection or prior exposure. Testing can begin immediately with more than one million tests already shipped to health systems and laboratories. A spike protein on the surface of the SARS-CoV-2 virus enables the virus to penetrate and infect human cells found in multiple organs and blood vessels. Siemens’ Total Antibody COV2T assay was thoughtfully designed to detect antibodies to the spike protein. These antibodies are believed to neutralize the SARS-CoV-2 virus and therefore prevent infection. Multiple potential vaccines in development for SARS-CoV-2 include the spike protein within their focus.

The total antibody test SARS-CoV-2 Total (COV2T) is available on the largest installed base of high-throughput analyzers, including the Atellica IM immunoassay analyzers, which can run up to 440 tests per hour and enables a result in just 10 minutes. The test also is available on the company’s expansive installed base of ADVIA Centaur XP and XPT analyzers, which can test up to 240 samples per hour with a result in 18 minutes.

“As a leader in laboratory diagnostics, Siemens Healthineers designed a high-quality, highly accurate antibody test with the capacity and reach necessary to help address a critical societal need,” said Deepak Nath, PhD, President, Laboratory Diagnostics, Siemens Healthineers. “The test targets both IgM and IgG antibodies, which allows for early identification of individuals infected with the virus who have developed an immune response, even if they were asymptomatic or never diagnosed with the disease.”

“As one of the leading specialized laboratories, we recognized the critical need of our customers to have rapid and accurate testing to manage COVID-19 among their patients and staff," said Paul F. Beyer, CEO of Ascend Clinical. “The Siemens Healthineers total antibody test enables us to confidently deliver fast, reliable results that will be extremely valuable in the surveillance of the disease.”

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