Could a simple antibiotic added to childhood vaccines save thousands of young lives?
NCT ID NCT04235816
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This large study in Sierra Leone is testing whether giving children an antibiotic (azithromycin) along with malaria prevention medicine during their regular vaccine visits can lower the number of deaths in children under 5. Over 20,000 children are taking part. The goal is to find a practical way to prevent deadly infections like malaria, pneumonia, and diarrhea.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 20,560 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2021
- Expected to finish
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Apr 2026
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.
- Ages
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6 to 8 weeks
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Parents/guardians have signed the informed consent * Permanent residence in the study area-health facility catchment area * Without known allergies to or contraindications to macrolides * Without known allergies to or contraindications to SP * Agreement to complete the EPI scheme at the recruitment health facility * Parents/guardians agree to participate Exclusion Criteria: * Residence outside the study area or planning to move out in the following 12 months from enrolment * Known history of allergy or contraindications to macrolides and/or SP * Known history of allergy or contraindications to SP * With signs of any acute illness at the time of recruitment * Participating in other intervention studies
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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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College of Medicine and Allied Health Sciences
Freetown, Sierra Leone
More trials for these conditions
Other studies related to the condition(s) this trial covers.