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Australian New Zealand Clinical Trials Registry

Trial Details
indicate updates made to monitored data item(s) since trial registration. These data item(s) are monitored to ensure they comply with the WHO / journal editors standards.
 
Request Number: 082705
ACTR Number: ACTRN12608000227392
Trial Status: Registered
Date Submitted: 28/03/2008
Date Registered: 2/05/2008

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Public title: Bacille Calmette-Guérin (BCG) Immune Response Study
ANZCTR registration title: Improving protection against childhood tuberculosis: the influence of Bacille Calmette-Guérin (BCG) vaccine strain and age on protective immunity
Secondary ID: 
UTN:
Trial acronym: BIRS

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Health condition(s) or problem(s) studied:
Tuberculosis 
Immune response after BCG vaccine 
Condition category: Condition code:
Infection Other infectious diseases 

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Description of intervention(s) / exposure: Use of three different BCG vaccine strains (BCG-Denmark, BCG-Japan, BCG-Russia) for immunisation at birth. Immunisation at 2 months of age with one BCG vaccine strain (BCG-Denmark). In all study groups 0.05ml of BCG will be administered intradermally.
Intervention code:Prevention 
Comparator / control treatment: BCG vaccine strains will be compared with one another. Dose under 1 year of age 0.05 ml. Infants immunised at birth will be compared with those immunised at 2 months of age.
Control group: Active

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Primary outcome:Frequency of cytokine (eg interferon-gamma) producing T cells measured by flow cytometry in samples after in vitro stimulation. 
Timepoint:10 weeks after immunisation 
Secondary outcome:Qualitative immune response measured as the pattern of cytokine producing T cells measured with flow cytometry and in supernatants using a multiplex bead array system. 
Timepoint:10 weeks after immunisation 

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Key inclusion criteria: Term, well newborn infants.
Minimum Age: 1 Days
Maximum Age: 2 Months
Gender: Both males and females
Healthy volunteers? No
Key exclusion criteria: Family history of immunodeficiencies. Mother with HIV. Mother with active TB.

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Study type: Interventional
Purpose of the study: Prevention
Allocation to intervention: Randomised controlled trial
Describe the procedure for enrolling a subject and allocating the treatment (allocation concealment procedures): Consenting mothers/families in antenatal clinic. Randomisation of newborn infants to one of four groups at birth using seald opaque envelopes.
Describe the methods used to generate the sequence in which subjects will be randomised (sequence generation): Stratified allocation using three broad ethnical groups: Parents originating form Africa, Indian Subcontinent, Asia.
Masking / blinding: Blinded (masking used)
Who is/are masked/blinded: The people receiving the treatment/s
The people assessing the outcomes
The people analysing the results/data
Assignment: Parallel
Other design features (specify):
Type of endpoint(s): Safety/efficacy

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Phase Not Applicable
Anticipated or actual date of first participant enrolement: 26/04/2008
Target sample size: 256
Recruitment status: Open to recruitment

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Funding source 1:Government funding body e.g. Australian Research Council 
Name:Murdoch Children's Research Institute 
Address:Flemington Rd Parkville, VIC 3052 
Country:Australia 
Funding source 2:University 
Name:Nossal Institute of Global Health 
Address:Faculty of Medicine, Dentistry and Health Sciences The University of Melbourne Victoria 3010 Australia 
Country:Australia 
Funding source 3:Government funding body e.g. Australian Research Council 
Name:Swiss National Science Foundation 
Address:Wildhainweg 3, POBox 8232, 3001 Berne 
Country:Switzerland 
Funding source 4:University 
Name:The University of Melbourne 
Address:Faculty of Medicine, Dentistry and Health Sciences The University of Melbourne Victoria 3010 Australia 
Country:Australia 
Funding source 5:Charities/Societies/Foundations 
Name:European Society for Paediatric Infectious Diseases 
Address:c/o Kenes International Rue de Chantepoulet 1-3 P.O.Box 1726 CH-1211 Geneva 1 Telephone: +41 22 906 91 65 Fax: +41 22 732 2607 
Country:Switzerland 
Primary sponsor: Hospital
Name: The Mercy Hospital for Women
Address: 163 Studley Road, Heidelberg 3084, VIC
Country: Australia
Secondary sponsor:None 
Name: 
Address: 
Country: 
Other collaborator: 

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Has the study received approval from at least one ethics committee? Yes
Ethics Committee name:Human Research Ethics Committee, Mercy Hospital for Women 
Address:163 Studley Road, Heidelberg 3084, VIC 
Country:Australia 
Date of approval:7/12/2007 
HREC Number:R07/16 
Countries of recruitment:Australia 
Brief summary: This study is investigating the influence of vaccine strain and age at immunisation on the immune response in children to Bacille Calmette-Guérin (BCG) immunisation. The underlying hypothesis is that there is a measurable difference in the qualtitative and qualitative immune response which may be associated with differences in the level of protection
Trial website:
Presentations / publication list: Ritz N, Hanekom, W, Robins-Browne R, Britton W, Curtis N. The influence of BCG vaccine strain on the immune response and protection against tuberculosis. FEMS Microbiology Reviews 2008 in press.

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Contact person for public queries
Name: Prof Nigel Curtis
Address: Royal Children's Hospital Melbourne
Flemington Road
Parkville 3052, VIC
Country: Australia
Tel: 03 9345 6366
Fax:
Email: nigel.curtis@rch.org.au

Contact person for scientific queries
Name: Dr Nicole Ritz
Address: Royal Children's Hospital Melbourne
Flemington Road
Parkville 3052, VIC
Country: Australia
Tel: 03 9345 4990
Fax:
Email: nicole.ritz@rch.org.au

Contact person responsible for updating information
Name: Dr Nicole Ritz
Address: Royal Children's Hospital Melbourne
Country: Australia
Tel: 03 9345 6664
Fax:
Email: nicole.ritz@rch.org.au
   
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