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Peginterferon Alfa-2b Treatment in HBeAg(+) Chronic Hepatitis b Patients Based on Interferon Gene Mutation and Receptor Detection

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Third Affiliated Hospital, Sun Yat-Sen University

Keywords

Abstract

The study is to observe the anti-HBV therapeutic effects of peginterferon alfa-2b in chronic hepatitis b patients with e antigen positive based on the detection of interferon gene mutation (IFNA2 p.Ala120Thr) and interferon receptor (IFNAR2) detection.

Description

Patients with e antigen positive chronic hepatitis b were enrolled in the study. Age, sex, symptoms (e.g., fever, fatigue, poor appetite, jaundice) were recorded in the study. We also observed the laboratory test results including the levels of white blood cells (WBC), red blood cells (RBC), hemoglobin (HGB), platelet (PLT), alanine transaminase (ALT), aspartate transaminase (AST), hepatitis B surface antigen (HBsAg), hepatitis B e antigen (HBeAg), hepatitis B e antibody (HBeAb), and hepatitis B virus (HBV) DNA; detection of gene mutation (IFNA2 p.Ala120Thr), levels of interferon receptor (IFNAR2).

Dates

Last Verified: 10/31/2016
First Submitted: 11/12/2016
Estimated Enrollment Submitted: 11/22/2016
First Posted: 11/24/2016
Last Update Submitted: 11/22/2016
Last Update Posted: 11/24/2016
Actual Study Start Date: 12/31/2015
Estimated Primary Completion Date: 11/30/2018
Estimated Study Completion Date: 11/30/2018

Condition or disease

Chronic Hepatitis b

Intervention/treatment

Drug: Nucleos(t)ide analogues treatment

Drug: Peginterferon Alfa-2B

Phase

Phase 4

Arm Groups

ArmIntervention/treatment
Experimental: Nucleos(t)ide analogues treatment
Patients with interferon receptor level down-regulated at the 24th week. Patients of this group will receive peginterferon alfa-2b injection 80ug/d from baseline to 24th week, then nucleos(t)ide analogues (entecavir tablet 0.5mg/d or tenofovir tablet 300mg/d) from 25th to 36th week, then peginterferon alfa-2b injection 80ug/d again from 36th to 48th week.
Drug: Nucleos(t)ide analogues treatment
Patients in nucleos(t)ide analogues treatment for 12 weeks group will receive nucleos(t)ide analogs therapy (Entecavir tablet 0.5mg/d or Tenofovir tablet 300mg/d) from Week 25th to 36th.
Active Comparator: Peginterferon treatment
Patients with interferon receptor level not down-regulated at the 24th week. Patients of this group will receive peginterferon alfa-2b injection 80ug/d from baseline to 48th week.

Eligibility Criteria

Ages Eligible for Study 18 Years To 18 Years
Sexes Eligible for StudyAll
Accepts Healthy VolunteersYes
Criteria

Inclusion Criteria:

1. Chronic hepatitis b Patients who should receive anti-HBV therapy according to guideline and are willing to receive interferon therapy;

2. Hepatitis B e antigen positive.

Exclusion Criteria:

1. Patients received anti-HBV therapy in the past 6 months;

2. Patients with liver cirrhosis or hepatocellular carcinoma or other malignancies;

3. Patients with other factors causing active liver diseases;

4. Pregnancy or lactation women;

5. Patients with HIV infection or congenital immune deficiency diseases;

6. Patients with severe diabetes, autoimmune diseases, other important organ dysfunctions and other serious complications.

7. Patients with other reasons not suitable to receive interferon therapy.

Outcome

Primary Outcome Measures

1. good virologic response [24th week]

level of HBsAg is less than or equal to 1500 IU/ml

Secondary Outcome Measures

1. common virologic response [24th week]

level of HBsAg is more than 1500 IU/ml, also less than or equal to 20000 IU/ml

2. bad virologic response [24th week]

level of HBsAg is more than 20000 IU/ml, level of HBV DNA is equal to or more than 4.0 log10 IU/ml

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