FDA Grants ‘Emergency Use’ for 2 Antibody Tests

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FDA has granted emergency use authorizations to two Covid-19 antibody tests — Chembio Diagnostic System’s DPP COVID-19 IgM/IgG System and Ortho Clinical Diagnostics’ Vitros Immunodiagnostic Products Anti-SARS-CoV-2 Total Reagent Pack. The two serology tests will aid in determining whether somebody has already been exposed to the virus and may have immunity.

 

Serology test accuracy is getting increasing attention at CDRH, according to Center Office of In Vitro Diagnostics and Radiological Health director Timothy Stenzel. Because of accuracy concerns, Stenzel said that FDA is collaborating with other agencies to create an interagency program to help address and verify test accuracy (see earlier story).

 

On 4/12, FDA commissioner Steve Hahn addressed antibody tests on ABC’s “This Week With George Stephanopoulos.” Hahn said that there are a number of tests “on the market that we haven't validated, that we haven’t looked at those data. There is a U.S. government effort to look at some of those tests and to be able to allow that validation to occur.” Hahn also acknowledged FDA has evaluated reports from other countries about their antibody tests not being accurate. “I think it's really important for the American people to know that we need tests that are accurate, reliable and reproducible; that’s what FDA does in a science and data-driven way,” he said.

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