Discovery of Half-life of Circulating Hepatitis B Surface Antigen in Patients With Chronic Hepatitis B Infection Using Heavy Water Labeling.

Loomba, Rohit; Decaris, Martin; Li, Kelvin W; Shankaran, Mahalakshmi; Mohammed, Hussein; Matthews, Marcy; Richards, Lisa M; Nguyen, Phirum et al. · Clin Infect Dis · 2019

case_series · Level IV

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Abstract

In a pilot study, heavy water labeling was used to determine hepatitis B surface antigen (HBsAg) turnover rates in chronic hepatitis B (CHB) patients. The mean (standard deviation) half-life of HBsAg in blood was 6.7 (5.5) days, which reflects recent production in the liver and supports strategies aimed at reducing HBsAg production in CHB patients.

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