Nose drops with harmless bacteria could pave way for meningitis vaccine
NCT ID NCT03549325
First seen Feb 13, 2026 · Last updated May 20, 2026 · Updated 8 times
Summary
This study gave healthy adults nose drops containing a harmless bacteria (N. lactamica) to see how the immune system responds. Some volunteers received antibiotics after 4 days, others after 14 days, to compare immune reactions. The goal is to learn how to use this bacteria to deliver a future meningitis vaccine, especially for children. The study was stopped early but involved 21 participants.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Southampton NIHR Clinical Research Facility
Southampton, Hampshire, SO166YD, United Kingdom
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