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HIV InfectionsPhase 1/2NCT00331474

The Effect of Bacille Calmette Guerin (BCG) Vaccination on Immune Responses in HIV-Exposed and Unexposed Infants

A Phase 1/2 study testing BCG delayed in people with HIV Infections, run by University of Stellenbosch at 1 site in South Africa.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Background: Each year, more than half a million babies are infected with HIV by mother-to child transmission in developing countries. Many of these babies get sick and develop HIV disease (AIDS) at a very young age. Exposure to other infectious diseases may influence this early progression to AIDS. Read more about this study

Who is it for?
Ages Up to 48 hours
Conditions the study is for
HIV Infections
What is being tested?
BCG delayed
Type of treatment
Vaccines
How many people
180 participants
Where
1 siteSouth Africa
Study dates
May 2006to Aug 2009
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Up to 48 hours
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Maternal HIV status verified
  • Study consent
  • Uncomplicated singleton pregnancy with delivery planned at local health facility
  • Resident in study area

Who cannot join

  • Active tuberculosis or tuberculosis contact in mother
  • No consent
  • Planning to move out of study area
  • Not planning on delivering at local maternal obstetric unit
  • Not planning on attending local baby clinic

Trial locations and contacts

1 site in 1 country.

South Africa1 site
  • Desmond Tutu TB Centre

    Cape Town, Western Cape, 7505

Other trials in South Africa

About this study

Official title: The Effect of BCG Vaccination on Immune Responses in HIV-Exposed and Unexposed Infants

Background:

Each year, more than half a million babies are infected with HIV by mother-to child transmission in developing countries. Many of these babies get sick and develop HIV disease (AIDS) at a very young age. Exposure to other infectious diseases may influence this early progression to AIDS. BCG is a live tuberculosis vaccine made from cow tuberculosis. It is routinely given at birth to most babies, also to babies born to HIV-positive mothers. BCG can cause disease (BCGosis) in HIV-infected babies. More importantly, BCG may also trigger immune responses in the body that lead to the spread of the HIV virus and early progression to AIDS.

Read more

Objective(s) and Hypothesis:

The researchers will investigate whether BCG causes progression of HIV by doing a clinical trial: babies born to HIV-positive mothers will be randomly allocated to get the BCG vaccine at birth or at 14 weeks of age. In these 2 groups of babies, the researchers will compare:

  • The percentage of babies who progress to HIV disease
  • Blood markers of HIV disease (the amount of virus and protective white blood cells in the body)
  • The body's immune response to BCG vaccine and other childhood vaccines
  • The percentage of children who develop BCG scarring, BCG vaccine complications and tuberculosis.

Potential Impact:

BCG is the most widely given vaccine worldwide and is routinely given to babies born to HIV-positive mothers in developing countries. Any effect that BCG has on HIV progression in babies will have a significant public health impact in settings with a high burden of HIV disease.

Conditions
HIV Infections
Being tested
BCG delayed
Keywords
BCG, HIV, Immune responses, Delayed vaccination, Infant morbidity, Nutritional status, Morbidity, Mortality
Medical subject headings
HIV Infections

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • BCG delayedBiological

    Also called early vs. delayed BCG

    early (birth) and delayed (14 weeks) intradermal BCG vaccination

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. BCG-induced cellular immune responses

    Measured: 1 year

Secondary outcomes (3)
  1. BCG scarring

    Measured: 18 months

  2. Serum antibody responses

    Measured: 52 weeks

  3. Tuberculosis incidence

    Measured: 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted31 May 2006 (estimated)
  2. Study startMay 2006
  3. Primary completionDec 2008
  4. Study completionAug 2009 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
180 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00331474
Sponsor's protocol ID
N06/04/071
Status last verified
Feb 2009
First submitted
30 May 2006
Last updated
16 Feb 2009
Results posted
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing BCG delayed in people with HIV Infections, run by University of Stellenbosch at 1 site in South Africa.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 16 Feb 2009. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Africa. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

BCG-induced cellular immune responses (time frame: 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 16 Feb 2009.

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