NCT03977987

Brief Summary

The effective control of nucleos(t)ide analogues for patients infected with hepatitis B has significantly curbed the horizontal transmission of hepatitis B. However, the vertical transmission remains a serious threat to public health for directly increasing the burden of hepatitis B worldwide with the transmission rate up to 80 to 90% among high HBV DNA level if untreated. Currently, the effective prevention of mother-to-child transmission is credited to the implement of HBV vaccination and hepatitis B virus immunoglobin. To leave nobody behind, a growing body of evidence has been yielded to support the use of nucleos(t)ide analogues in the mothers during the late pregnancy. However, the clinical practice can be more complex. Therefore, investigators aim to assess the effectiveness of maternal antiviral therapy and different infants immunoprophylaxis strategy in the prevention of chronic hepatitis infection among children whose mothers were infected with chronic hepatitis B infection in the real world setting.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
233

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2011

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2011

Completed
8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2018

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

June 5, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

June 6, 2019

Completed
Last Updated

June 12, 2019

Status Verified

June 1, 2019

Enrollment Period

8 years

First QC Date

June 5, 2019

Last Update Submit

June 10, 2019

Conditions

Keywords

hepatitis Bmother-to-children transmissionantiviral treatmentimmunoprophylaxis

Outcome Measures

Primary Outcomes (1)

  • The proportion of children who developed chronic HBV infection between the treatment group and two control groups in the real-world setting.

    We compare the proportion of children with chronic HBV born to mothers from three groups in the real life setting

    December, 2018

Secondary Outcomes (4)

  • the proportion of children who developed chronic HBV infection between the treatment group and two control groups among infants who followed the standardized immunoprophylaxis strategy

    December, 2018

  • the proportion of children who developed chronic HBV infection between the treatment group and two control groups among infants who followed the aggressive immunoprophylaxis strategy

    December, 2018

  • The proportion of children with detectable HBV DNA and HBsAg in umbilical cord blood

    At delivery

  • The HBV DNA level of mothers among three groups

    Within one week before delivery.

Study Arms (3)

The treatment group

Pregnant women with high HBV DNA level \> 2\*10\^6 IU/ml who agree to receive the antiviral treatment during the late pregnancy.

Drug: nucleos(t)ide analogue

The control group with high HBV DNA level

Pregnant women with high HBV DNA level \> 2\*10\^6 IU/ml who decline to receive the antiviral treatment during the late pregnancy.

The control group with low HBV DNA level

Pregnant women with high HBV DNA level \< 2\*10\^6 IU/ml

Interventions

Pregnant women in this group agree to receive nucleos(t)ide analogue (tenofovir or telbivudine) daily from the 28 weeks of pregnancy to delivery.

The treatment group

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

In the real-world setting, we recruited consecutively HBsAg positive women who were less than 28 weeks pregnant and underwent routine testing for HBV at the Department of Infectious Diseases of Taicang First People's Hospital at least twice during pregnancy. Patients were excluded from participation if they had been treated with antiviral drugs during pregnancy. Additional exclusion criteria were drug hypersensitivity, abnormal renal laboratory results, coinfection with human immunodeficiency virus or other human hepatitis viruses.

You may qualify if:

  • HBsAg positive women who were less than 28 weeks pregnant and underwent routine testing for HBV at the Department of Infectious Diseases of Taicang First People's Hospital at least twice during pregnancy

You may not qualify if:

  • women treated with antiviral drugs during pregnancy.
  • drug hypersensitivity;
  • abnormal renal laboratory results;
  • coinfection with human immunodeficiency virus or other human hepatitis viruses.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The First People's Hospital of Taicang

Suzhou, Jiangsu, 215400, China

Location

MeSH Terms

Conditions

Hepatitis B

Condition Hierarchy (Ancestors)

Blood-Borne InfectionsCommunicable DiseasesInfectionsHepadnaviridae InfectionsDNA Virus InfectionsVirus DiseasesHepatitis, Viral, HumanHepatitisLiver DiseasesDigestive System Diseases

Study Officials

  • Yonglan Pu

    The First People's Hospital of Taicang

    STUDY DIRECTOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director of Division of Infectious Diseases

Study Record Dates

First Submitted

June 5, 2019

First Posted

June 6, 2019

Study Start

January 1, 2011

Primary Completion

December 30, 2018

Study Completion

December 30, 2018

Last Updated

June 12, 2019

Record last verified: 2019-06

Locations