Journal
JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/jcm12010361
Keywords
HBsAg recurrence; peginterferon alpha; re-treatment; HBsAg clearance; HBV vaccine
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The study investigated the efficacy and safety of peg-IFN alpha-2b in re-treating patients with HBsAg recurrence after stopping peg-IFN alpha-based regimens. The results showed that a short-course of peg-IFN alpha-2b re-treatment significantly improved HBsAg clearance and seroconversion rates in patients.
Little is known about the treatment of patients with hepatitis B surface antigen (HBsAg) recurrence after being clinically cured by peginterferon alpha(peg-IFN-alpha)-based regimens. This study aimed to investigate the efficacy and safety of peg-IFN alpha-2b in re-treating patients with HBsAg recurrence after stopping peg-IFN alpha-based regimens. In this two-center, prospective observational study, 33 patients with HBsAg recurrence after stopping peg-IFN alpha-based regimens were enrolled and re-treated with an individualized course of peg-IFN alpha-2b. The hepatitis B virus (HBV) vaccine could be injected immediately after HBsAg clearance, according to patients' willingness. All patients were monitored and followed-up for 48 weeks after peg-IFN alpha-2b re-treatment stop. The primary endpoint was HBsAg clearance at the end of follow-up. At baseline, all patients had HBsAg levels of <10 IU/mL and undetectable HBV DNA, with the median HBsAg level of 1.66 (0.56-2.87) IU/mL. After a median of 24 (24-30) weeks of peg-IFN alpha-2b re-treatment, 87.9% (29/33) of the patients achieved HBsAg clearance again and 66.7% (22/33) of the patients achieved HBsAg seroconversion. At the end of follow-up, the HBsAg clearance and HBsAg seroconversion rates decreased to 78.8% (26/33) and 51.5% (17/33), respectively. Furthermore, 88.9% (16/18) of the patients with HBsAg clearance benefited from receiving the HBV vaccine therapy. Generally, both peg-IFN alpha-2b and HBV vaccine therapy were well tolerated. A high functional cure rate can be achieved by a short-course of peg-IFN alpha-2b re-treatment in patients with HBsAg recurrence after stopping peg-IFN alpha-based regimens. Furthermore, injecting HBV vaccine is beneficial after HBsAg clearance.
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