FDA Finalizes Hepatitis B Screening Guidance


FDA advises nucleic acid tests to screen for hepatitis B virus.

The FDA has finalized its guidance on donor screening by adding nucleic acid tests (NAT) to reduce the risk of hepatitis B virus (HBV), reported Regulatory Affairs Professional Society (RAPS).

It’s estimated that about 1.4 million people live with HBV, and although most adults will clear the virus, between 30% and 90% of children under 5-years-old will develop a chronic infection, according to the US Centers for Disease Control and Prevention.

To help curb the risk of HBV transmission from human cells, tissues, and cellular and tissue-based products (HCT/Ps), the FDA recommends that HCT/P establishments add NAT to their testing arsenal, because the new tests offer significant improvements in how early the virus can be detected.

“FDA-licensed HBV NAT can detect evidence of the viral infection at an earlier stage than the hepatitis B surface antigen (HBsAg) and total antibody to hepatitis B core antigen (anti-HBc tests),” stated the final guidance, as reported by RAPS. “Therefore, we recommend the use of FDA-licensed HBV NAT, in addition to the use of licensed HBsAg and total HBc Immunoglobulin G (IgB) and immunoglobulin M (IgM), for testing donors of HCT/Ps for evidence of infection with HBV.”

The FDA stated in the guidance that adding NATs to existing donor-screening methods is a necessity, since the disease is transmitted by blood transfusions more frequently than HCV or HIV, and has been documented to spread by tissue transplantation, according to RAPS.

Furthermore, the NATs offer a potential 40-day reduction in how soon the virus can be detected, compared with HBsAg tests, and are more likely to detect new mutations of the virus. The FDA reports that HCT/P facilities should begin screening with all 3 assay types (HBV NAT, HBsAg, and anti-HBc IgG/IgM) within the next 6 months, and only accept donors who test negative for HBV with all 3 tests, according to RAPS.

Related Videos
male pharmacist using digital tablet during inventory in pharmacy | Image Credit: sofiko14 - stock.adobe.com
Pharmacist holding medicine box in pharmacy drugstore. | Image Credit: I Viewfinder - stock.adobe.com
Pharmacy Drugstore Checkout Cashier Counter | Image Credit: Gorodenkoff - stock.adobe.com
Medicine tablets on counting tray with counting spatula at pharmacy | Image Credit: sutlafk - stock.adobe.com
Capsules medicine and white medicine bottles on table | Image Credit: Satawat - stock.adobe.com
Human cell or Embryonic stem cell microscope background | Image Credit: Anusorn - stock.adobe.com
Concept of health care, pharmaceutical business, drug prices, pharmacy, medicine and economics | Image Credit: Oleg - stock.adobe.com
Biosimilar pharmaceutical drug bottle on blue background. | Image Credit: Carl - stock.adobe.com
© 2024 MJH Life Sciences

All rights reserved.