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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03864263
Other study ID # 2019-30
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date July 4, 2019
Est. completion date December 31, 2023

Study information

Verified date July 2019
Source Children's Hospital of Chongqing Medical University
Contact Yao Zhao
Phone +862363603083
Email Zhaoy@cqmu.edu.cn
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Hepatitis B virus (HBV) infection is a major public health problem facing the world, with more than 2 billion people infected with HBV. There are more than 400 million chronic carriers, and 75% of carriers live in the Asia Pacific region.

The mother-to-child transmission route of hepatitis B virus is recognized as one of the most important routes of transmission, and recent studies have found that fathers who are carriers of HBV may also be one of the risk factors for HBV infection in children, but as far as the investigators know. Therefore, as a high-population area in China, the purpose of this study is to investigate the prevalence of HBV infection in this population.


Description:

Hepatitis B virus (HBV) infection is a major public health problem facing the world, with more than 2 billion people infected with HBV. Although since 1986 the World Health Organization (WHO has reduced the incidence of hepatitis B virus-related chronic liver disease, cirrhosis and hepatocellular carcinoma by incorporating hepatitis B vaccination into routine vaccination programmes for infants and adolescents, There are more than 400 million chronic carriers, and 75% of carriers live in the Asia Pacific region. Occult hepatitis B virus infection (OBI) is HBV surface antigen negative, but HBV DNA can be detected by PCR. Although the clinical consequences of OBI have not yet been fully determined, recent studies have shown that OBI may cause HBV-related diseases such as hepatitis B, cirrhosis, hepatocellular carcinoma, or aggravation or aggravation, and patients who receive immunosuppression through organ or blood transfusion. OBI reactivation has occurred. The protective effect on humans after vaccination with hepatitis B vaccine has the investigator sakened over time, and anti-HBs-negative children may have a higher risk of HBV infection due to loss of protection.

The mother-to-child transmission route of hepatitis B virus is recognized as one of the most important routes of transmission, and recent studies have found that fathers who are carriers of HBV may also be one of the risk factors for HBV infection in children, but as far as the investigators know, only Studies in Taiwan and other places have reported studies on HBV infection in children with HBV-infected mothers, and no research has focused on the effects of fathers' HBV positivity on children. Therefore, as a high-population area in China, the purpose of this study is to investigate the prevalence of HBV infection in this population.


Recruitment information / eligibility

Status Recruiting
Enrollment 500
Est. completion date December 31, 2023
Est. primary completion date December 31, 2020
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A and older
Eligibility Inclusion Criteria:

- The father or (and) mother is HBV-infected (pre-pregnancy or present);

- Children is vaccinated with hepatitis B vaccine after birth;

Exclusion Criteria:

- Children with HBV infection;

- Participants agreed to undergo clinical follow-up studies.

Study Design


Locations

Country Name City State
China Chongqing Children's Hospital of Chongqing Medical University Chongqing

Sponsors (1)

Lead Sponsor Collaborator
Qiu Li

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary The rate of hepatitis b virus infection Clinical follow-up testing for "overt" or "occult" HBV infection in immunized Children With HBsAg-positive Parents 0-5 years
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