How could the FDA's approval of a new chronic hepatitis B treatment affect LabCorp?
LabCorp may see increased demand for HBV diagnostic testing following FDA approval The FDA's approval of Hibsago, a treatment for chronic hepatitis B, requires specific diagnostic criteria and ongoing patient monitoring. The FDA also authorized a Roche blood test to measure surface antigen and identify eligible patients. Since there are an estimated 1.7 million people in the United States living with chronic hepatitis B, the adoption of this new treatment pathway will likely increase the volume of required blood tests for screening, eligibility, and monitoring. As a clinical laboratory company, LabCorp is positioned to benefit from this increased demand for specialized diagnostic services.
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How it reaches LabCorp
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The Food and Drug Administration approved Hibsago, a treatment made by GSK, for adults with chronic hepatitis B. This drug, an antisense oligonucleotide, is designed to help keep the virus under control after stopping other medications. The FDA also authorized a blood test from Hoffmann-La Roche for screening eligibility. The drug is approved only for adults without cirrhosis who have taken hepatitis B antiviral therapy for at least six months.
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The new treatment pathway, which is intended for an estimated 1.7 million chronic hepatitis B patients in the United States, requires not only initial screening but also regular blood tests before, during, and after treatment. These tests, which measure viral control and surface antigen levels, are performed by clinical laboratories.
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The facts so far
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- GSK estimates about 1.7 million people in the United States live with chronic hepatitis B.medicaldaily.com
- The Roche blood test measures surface antigen and identifies eligible patients for Hibsago.medicaldaily.com
- Hibsago is approved only for adults without cirrhosis who have taken hepatitis B antiviral therapy for at least six months.medicaldaily.com
- Patients need regular blood tests before and during treatment.medicaldaily.com
Why it matters
For LabCorp, the approval of Hibsago and the associated diagnostic test represents a potential expansion of its service market within the specialized field of chronic hepatitis B management. The ability of clinical labs to accurately and efficiently perform the required surface antigen and viral load tests is critical to the successful deployment of this new treatment, meaning increased testing volume translates directly into increased business opportunities.
This development is part of a broader shift in managing chronic viral diseases. While standard antiviral treatment rarely achieves a functional cure, Hibsago offers a new option for a narrow group of patients. The success of this new drug hinges on the ability of the healthcare system, including clinical laboratories, to accurately identify and monitor the large population of patients who could benefit.
What we don't know yet
- What will the adoption rate of Hibsago be among the estimated 1.7 million patients?
- Will insurance coverage and cost factors limit the number of patients who undergo the necessary diagnostic testing?
What would change this answer
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Reporting
- medicaldaily.comFriday
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Brind's analysis is written by AI from the reporting linked above and can be wrong. This explainer is a possibility worth considering, not a forecast: steps marked as Brind's reasoning are not stated in the reporting. It is not investment advice; do your own research.