NCT03695029

Brief Summary

To investigate the efficacy of using antiviral therapy in third trimester of pregnancy to reduce mother-to-infant HBV transmission, and to access the safety of such treatment for mothers and infants.

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
120

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Dec 2010

Longer than P75 for phase_4

Geographic Reach
1 country

1 active site

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

Study Start

First participant enrolled

December 29, 2010

Completed
7.7 years until next milestone

First Submitted

Initial submission to the registry

September 20, 2018

Completed
13 days until next milestone

First Posted

Study publicly available on registry

October 3, 2018

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2020

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2021

Completed
Last Updated

November 27, 2020

Status Verified

November 1, 2020

Enrollment Period

10 years

First QC Date

September 20, 2018

Last Update Submit

November 25, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Child HBsAg 6 mo

    Serum status of HBsAg of the infants at 6 months old

    6 months after delivery

Secondary Outcomes (7)

  • Child HBsAg 12 mo

    12 months after delivery

  • Maternal ALT elevation

    6 months after delivery

  • Maternal HBeAg-seroconverion

    12 months after delivery

  • Maternal renal

    6 and 12 months post delivery

  • Materna bone marker

    6 and 12 months post delivery

  • +2 more secondary outcomes

Study Arms (2)

treatment group

EXPERIMENTAL

Pregnant women receiving tenofovir alafenamide 25 mg per day since 26-32 weeks of pregnancy to 2-4 weeks postpartum.

Drug: Tenofovir Alafenamide

control group

NO INTERVENTION

control group receive no drug, only follow-up

Interventions

Pregnant women receiving tenofovir alafenamide 25 mg per day since 26-32 weeks of pregnancy to 2-4 weeks postpartum.

treatment group

Eligibility Criteria

Age20 Years - 40 Years
Sexfemale(Gender-based eligibility)
Gender Eligibility DetailsPregnant women
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Women aged 20-45 years in 28 to 32 weeks of pregnancy
  • Positive HBsAg and HBeAg
  • Serum viral load above 6 log10 IU/mL

You may not qualify if:

  • Major systemic disease of the mother or fetus
  • Positive anti-HIV or anti-HCV
  • Under treatment of antiviral therapy
  • Pregnant woman whose ultrasonographic examination reveals congenital anomaly of the fetus
  • Pregnant woman whose amniocentesis reveals any genetic abnormality

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

National Taiwan University Hospital

Taipei, 100, Taiwan

RECRUITING

Related Publications (1)

  • Chen HL, Lee CN, Chang CH, Lai MW, Tsai MC, Mu SC, Liu CJ, Shih JC, Wen WH, Hu RT, Huang CP, Hu KC, Chen CP, Lee CL, Chien RN, Chang KC, Hsu HY, Lee CC, Ni YH, Chang MH. Tenofovir alafenamide or tenofovir disoproxil fumarate in pregnancy to prevent HBV transmission: Maternal ALT trajectory and infant outcomes. Liver Int. 2024 Jun;44(6):1422-1434. doi: 10.1111/liv.15873. Epub 2024 Mar 8.

MeSH Terms

Conditions

Hepatitis B

Interventions

tenofovir alafenamide

Condition Hierarchy (Ancestors)

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

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 4
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 20, 2018

First Posted

October 3, 2018

Study Start

December 29, 2010

Primary Completion

December 31, 2020

Study Completion

December 31, 2021

Last Updated

November 27, 2020

Record last verified: 2020-11

Locations