NCT05177926

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of Tenofovir alafenamide (TAF) for prevention of mother-to-child transmission of hepatitis B virus among pregnant women with high level HBV DNA.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
330

participants targeted

Target at P75+ for phase_4

Timeline
Completed

Started Apr 2021

Typical duration for phase_4

Geographic Reach
1 country

13 active sites

Status
unknown

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 31, 2019

Completed
1.3 years until next milestone

Study Start

First participant enrolled

April 4, 2021

Completed
9 months until next milestone

First Posted

Study publicly available on registry

January 5, 2022

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2023

Completed
Last Updated

January 5, 2022

Status Verified

December 1, 2021

Enrollment Period

2.7 years

First QC Date

December 31, 2019

Last Update Submit

December 15, 2021

Conditions

Keywords

hepatitis B virusmother-to-child transmissionantiviral prophylaxisTenofovir Alafenamide

Outcome Measures

Primary Outcomes (1)

  • Rate of mother-to-child transmission of HBV

    the number of HBV-infected infants relative to all participants enrolled or to all participants who complete follow-up

    from enrollment to the last infant completes post vaccination serological test (PVST), assessed up to 32 months

Secondary Outcomes (1)

  • Rate of birth defect of infants

    from enrollment to the last mother delivery, assessed up to 24 months

Study Arms (1)

antiviral prophylaxis with Tenofovir Alafenamide Fumarate (TAF)

OTHER

All participants will receive oral Tenofovir Alafenamide Fumarate 25mg, daily, at gestational 27-29 week until delivery.

Drug: antiviral prophylaxis with Tenofovir Alafenamide Fumarate

Interventions

All participants will receive antiviral prophylaxis with Tenofovir Alafenamide Fumarate for preventing of Mother-to-child transmission of HBV

antiviral prophylaxis with Tenofovir Alafenamide Fumarate (TAF)

Eligibility Criteria

Age20 Years - 35 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsPregnant woman is eligible for mother-to-child transmission study.
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Pregnant woman aged 20 to 35 years old
  • week of gestation
  • HBsAg positive more than 6 months and HBeAg positive
  • HBV DNA\> 200,000 IU/ml
  • Informed consent is signed voluntarily by both husband and wife
  • Good compliance and able to be followed up as planned

You may not qualify if:

  • Mothers co-infected with HCV and HIV
  • Evidence of decompensated cirrhosis and liver cancer
  • Mothers had other organ lesions which would affect patient compliance and follow-up plan
  • Mothers had history of spontaneous abortion or their children had birth defect or congenital malformation
  • Mothers received antiviral therapy within 6 months
  • Mothers had history of kidney injury, CCr \<50ml/min and urine protein test positive (\>300mg/L)
  • Mothers had history of other chronic diseases and had to take immunomodulators, cytotoxic drugs or hormonal drugs during pregnancy
  • The infants' biological fathers are infected with HBV
  • Symptoms of threatened abortion during early pregnancy
  • ALT \> 1×upper limit of normal (ULN), or TBIL ≥ 1×ULN or glomerular filtration rate (GFR) \< 90 ml/min, or Albumin (ALB) \< 25 g/L
  • Fetal malformations detected by B-ultrasound during pregnancy
  • Participating in other studies

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

The First Affiliated Hospital of Jilin University

Changchun, China

RECRUITING

The First People's Hospital of Foshan

Foshan, China

RECRUITING

Guangdong Maternal and Child Care Hospital

Guangzhou, China

RECRUITING

Guangzhou No. 8 People's Hospital

Guangzhou, China

ACTIVE NOT RECRUITING

Nanfang Hospital, Southern Medical University

Guangzhou, China

RECRUITING

The Fifth Affiliated Hospital of Southern Medical University

Guangzhou, China

ACTIVE NOT RECRUITING

Zhujiang Hospital, Southern Medical University

Guangzhou, China

ACTIVE NOT RECRUITING

Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine

Hangzhou, China

RECRUITING

Xixi Hospital of Hangzhou

Hangzhou, China

ACTIVE NOT RECRUITING

The Affiliated Nanjing Hospital of Nanjing University of Chinese Medicine (The Second Hospital of Nanjing)

Nanjing, China

RECRUITING

Shanghai Public Health Clinical Center

Shanghai, China

RECRUITING

Shenzhen Baoan Maternal and Child Care Hospital

Shenzhen, China

RECRUITING

The First Affiliated Hospital of Xi'an Jiaotong University

Xi'an, China

RECRUITING

MeSH Terms

Conditions

Hepatitis B, ChronicHepatitis B

Condition Hierarchy (Ancestors)

Blood-Borne InfectionsCommunicable DiseasesInfectionsHepadnaviridae InfectionsDNA Virus InfectionsVirus DiseasesHepatitis, Viral, HumanHepatitis, ChronicHepatitisLiver DiseasesDigestive System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Jinlin Hou

    Nanfang Hospital, Southern Medical University

    STUDY CHAIR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Model Details: This is a single arm study, in which all participants will receive study drug.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor & Director

Study Record Dates

First Submitted

December 31, 2019

First Posted

January 5, 2022

Study Start

April 4, 2021

Primary Completion

December 31, 2023

Study Completion

December 31, 2023

Last Updated

January 5, 2022

Record last verified: 2021-12

Data Sharing

IPD Sharing
Will not share

Locations