Hepatitis B, Chronic Clinical Trial
Official title:
Influence of Hepatitis B Virus (HBV) Envelope Glycoprotein Characteristics on HBsAg Clearance on Anti-HBV Treatment by Nucleos(t)Ide Analogues
Hepatitis B virus (HBV) infection remains difficult to eradicate with about 240 million people living with HBV chronic infection. HBsAg clearance, correlated with a good clinical prognosis, is difficult to achieve even with antiviral treatments (3-14 %). HBV envelope proteins are essential for entry into hepatocyte and are targeted by the immune system. Molecular characteristics of HBV envelope proteins may favour better viral fitness at the entry step into hepatocytes and/or HBV escape from host immunity. Here we investigated whether variability of HBV envelope proteins can contribute to the differential responses to anti-HBV treatment in patients with HBsAg clearance or persistence.
Our study is a retrospective study of patients with chronic hepatitis B virus, selected exclusively at the University Hospital Center of Nancy in the Department of Hepato-Gastroenterology (HGE). the patient inclusion criteria were as follows: Adult patients with chronic hepatitis B, treated with nucleos(t)ide analogues, mono-infected with HBV (without co-infection with HCV, HIV and HDV). For each patient included, biological, clinical and therapeutic data were collected retrospectively. Patients with loss of viral load on treatment were included in this study. Among them, patients showed either a clearance of HBsAg on treatment ("responders") or the control patients showed a persistence of HBsAg on treatment ("non-responders", control patients). ;
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