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Is the immune response to childhood vaccinations the same in children exposed to antibiotics early in life and those who are not exposed?

Phase 1
Conditions
Relationship between early antibiotic exposure and immune responses.
Therapeutic area: Body processes [G] - Immune system processes [G12]
Registration Number
EUCTR2022-001541-20-IS
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Authorised-recruitment may be ongoing or finished
Sex
All
Target Recruitment
200
Inclusion Criteria

Term children born in Iceland in 2022-2023.
- Group A: Children delivered with elective caesarean section (their mothers received intra-operative antibiotics).
- Group B: Children delivered vaginally and their mothers received intra- partum antibiotics.
- Group C: Children delivered vaginally and received systemic antibiotics during the first week of life for at least 48 hours.
- Group D: Children born vaginally and did not receive systemic antibiotics during the first six months of life.
Are the trial subjects under 18? yes
Number of subjects for this age range: 200
F.1.2 Adults (18-64 years) no
F.1.2.1 Number of subjects for this age range
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range

Exclusion Criteria

Immune suppression, allergy to vaccine components or any other contraindication to receiving the vaccines.

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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