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Hepatitis B Surface Antigen (HBsAg) Kinetics in Chronic Hepatitis B Patients During Peginterferon Treatment
Kaifa Wang 1 , Guangyu Huang 2 , Yagang Chen 2 , Yuming Wang 3 4
Affiliations
PMID: 32587233 DOI: 10.12659/MSM.921487
Abstract
BACKGROUND Hepatitis B surface antigen (HBsAg) loss/seroconversion is considered to be an ideal endpoint for antiviral therapy and a final therapeutic target for chronic hepatitis (CHB). This study aimed to evaluate the HBsAg kinetics in CHB patients during peginterferon-alpha (Peg-IFN-alpha) treatment. MATERIAL AND METHODS A retrospective cohort study was performed using a case database, which included 151 patients who received Peg-IFN-alpha treatment and with HBsAg load of no less than 4 time points from May 1, 2018 to January 31, 2019. The HBsAg kinetic pattern was analyzed by Q-type clustering, and a clinical prognostic empirical model was constructed based on the HBsAg kinetic pattern of uncured patients. RESULTS Changes of HBsAg in 13 functionally cured patients were attributed to 3 kinetic patterns by cluster analysis, and there was a significant positive correlation between functionally cure time and baseline HBsAg. For uncured 116 patients with treatment duration longer than or equal to 56 days, 5 HBsAg kinetic patterns were obtained by cluster analysis, and the clinical prognosis empirical model was established. Finally, 13 new functionally cured patients preliminarily confirmed the rationality of the proposed empirical model. CONCLUSIONS According to empirical model, we recommend that the therapeutic regime should be timely adjusted to improve sustained response rate and reduce patients' medical burden for patients with second (Z type) and fifth (Z+W type) kinds of patterns. While for the rest of patterns' patients, it is recommended to continue treatment for a longer period of time to achieve the desired therapeutic goal.
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发表于 2020-6-26 19:50