Asthma Clinical Trial
Official title:
The Effect of Giving BCG Vaccine at Birth to Low Birth-weight Infants on Development of Allergy and Asthma in Childhood - Follow up of a Randomised Trial in Guinea-Bissau
Verified date | December 2011 |
Source | Bandim Health Project |
Contact | n/a |
Is FDA regulated | No |
Health authority | Guinea-Bissau: Ministry of Health |
Study type | Observational |
The prevalence of asthma and allergic diseases is increasing worldwide. Infections and vaccinations in childhood may have an impact on the subsequent development of asthma and allergy. In Guinea-Bissau, the investigators previously found that Bacille Calmette-Guérin (BCG) vaccine was associated with reduction in atopy. Since then the investigators have conducted a randomised trial of BCG vaccine given at birth to low birth-weight infants. The present study aims to follow up children enrolled in the BCG randomised trial to assess for asthma and allergy later in childhood. Based on previous observations, the investigators expect children allocated to receive BCG at birth will have a reduction in allergy profile when compared to children who did not receive BCG at birth.
Status | Completed |
Enrollment | 487 |
Est. completion date | December 2011 |
Est. primary completion date | December 2011 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 3 Years to 9 Years |
Eligibility |
Inclusion Criteria: - Previous enrolment in NCT00146302 - Living within Bandim Health Project study area Exclusion Criteria: - Children with known history of anaphylaxis - Children with skin infections or severe skin conditions for who SPT could not be reliably performed - Children currently taking anti-histamine medication |
Observational Model: Cohort, Time Perspective: Retrospective
Country | Name | City | State |
---|---|---|---|
Guinea-Bissau | Bandim Health Project | Bandim |
Lead Sponsor | Collaborator |
---|---|
Bandim Health Project | Murdoch Childrens Research Institute |
Guinea-Bissau,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Skin prick test | Skin prick tests to common aero and food allergen | Single observation at time of consent - DAY 1 | No |
Secondary | Symptoms of asthma | Symptoms of asthma using questions modified from ISAAC | Single observation at time of consent - DAY 1 | No |
Secondary | Symptoms of eczema | Eczema symptoms using questions modified from ISAAC | Single observation at time of consent - DAY 1 | No |
Secondary | Symptoms of food allergy | Symptoms of food allergy using questions modified from the Health Nuts study | Single observation at time of consent - DAY 1 | No |
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