Do childhood infections shape a lifetime of immunity?
NCT ID NCT02654210
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers follow newborns in a German region to see how infections, the microbiome, and vaccinations interact as children's immune systems develop. The study tracks health data over time to understand why some children develop allergies or asthma. It aims to reveal patterns that could guide future prevention strategies.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If researchers can map how infections and vaccinations shape immunity, this could inform strategies to prevent allergies and asthma in children.
- What could go wrong
- This is an observational birth cohort, so it can reveal patterns but cannot prove cause and effect. Findings may not apply to children outside the study region.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
-
782 people
The number who actually took part.
- Started
-
Mar 2015
- Expected to finish
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Feb 2033
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Healthy Newborns in the Studyregions: Braunschweig, Hannover, Bremen, München, Halle (Saale), Germany
- Ages
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1 day to 3 months
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * newborn in a study region Exclusion Criteria: * parents \< 18 years old * insufficient knowledge of the German language (parents)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Helmholtz Centre for Infection Research
Braunschweig, Lower Saxony, 38124, Germany
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Martin-Luther-University Halle-Wittenberg
Halle, Saxony-Anhalt, 06112, Germany
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