The ANZCTR website will be unavailable from 1pm until 3pm (AEDT) on Wednesday the 30th of October for website maintenance. Please be sure to log out of the system in order to avoid any loss of data.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial registered on ANZCTR


Registration number
ACTRN12606000394549
Ethics application status
Approved
Date submitted
5/09/2006
Date registered
7/09/2006
Date last updated
7/09/2006
Type of registration
Retrospectively registered

Titles & IDs
Public title
Long term hepatitis B immunity and response to a booster dose of hepatitis B vaccine in children born to hepatitis B carrier mothers
Scientific title
Hepatitis B immunity and response to a booster dose of hepatitis B vaccine in children born to hepatitis B carrier mothers
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Hepatitis B 1360 0
Condition category
Condition code
Inflammatory and Immune System 1452 1452 0 0
Liver

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Hepatitis B serology at baseline
Response to a booster dose of hepatitis B vaccine
HBVaxII 10microgram intramuscularly
Intervention code [1] 1347 0
Prevention
Comparator / control treatment
No comparator.
Control group
Uncontrolled

Outcomes
Primary outcome [1] 2004 0
Hepatitis B surface antibody measurement
Timepoint [1] 2004 0
At baseline and 2-4 weeks post vaccination
Secondary outcome [1] 3472 0
Hepatitis B surface antigen
Timepoint [1] 3472 0
Measurement at baseline

Eligibility
Key inclusion criteria
Adolescents born to hepatitis B carrier mothers.
Minimum age
10 Years
Maximum age
19 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
Mother not a hepatitis B carrierAll participants have hepatitis B serology at baselineOnly adolescents with HBsAb <10IU/ml given a booster dose of vaccine.

Study design
Purpose of the study
Prevention
Allocation to intervention
Non-randomised trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Type of endpoint/s
Efficacy
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)

Funding & Sponsors
Funding source category [1] 1589 0
Government body
Name [1] 1589 0
NHMRC
Country [1] 1589 0
Australia
Primary sponsor type
Government body
Name
National Centre for Immunisation Research and Surveillance
Address
Country
Australia
Secondary sponsor category [1] 1396 0
Government body
Name [1] 1396 0
Sydney South West Area Health Service
Address [1] 1396 0
Country [1] 1396 0
Australia

Ethics approval
Ethics application status
Approved
Ethics committee name [1] 3012 0
Sydney South West Area Health Service
Ethics committee address [1] 3012 0
Ethics committee country [1] 3012 0
Australia
Date submitted for ethics approval [1] 3012 0
Approval date [1] 3012 0
06/04/2005
Ethics approval number [1] 3012 0
05-0052
Ethics committee name [2] 3013 0
The Children's Hospital at Westmead
Ethics committee address [2] 3013 0
Ethics committee country [2] 3013 0
Australia
Date submitted for ethics approval [2] 3013 0
Approval date [2] 3013 0
16/09/2005
Ethics approval number [2] 3013 0
2005/071

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 27954 0
Address 27954 0
Country 27954 0
Phone 27954 0
Fax 27954 0
Email 27954 0
Contact person for public queries
Name 10536 0
Nicholas Wood
Address 10536 0
National Centre for Immunisation Research and Surveillance
Locked Bag 4001
The Children's Hospital at Westmead
Westmead NSW 2145
Country 10536 0
Australia
Phone 10536 0
02 9845 1434
Fax 10536 0
Email 10536 0
Contact person for scientific queries
Name 1464 0
Nicholas Wood
Address 1464 0
National Centre for Immunisation Research and Surveillance
Locked Bag 4001
The Children's Hospital at Westmead
Westmead NSW 2145
Country 1464 0
Australia
Phone 1464 0
02 9845 1434
Fax 1464 0
Email 1464 0

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

Documents added manually
No documents have been uploaded by study researchers.

Documents added automatically
No additional documents have been identified.