Nasal spray could block COVID-19, but study halted early
NCT ID NCT05109611
First seen Nov 01, 2025 · Last updated May 15, 2026 · Updated 24 times
Summary
This study tested whether a nitric oxide nasal spray could prevent COVID-19 in people at risk of exposure. About 1,389 adults were randomly assigned to use the spray or a placebo. The trial was stopped early, so final results are not available.
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This is a summary of
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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.
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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Contacts and locations
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Locations
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Colombo North Teaching Hospital,
Ragama, Sri Lanka
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Karapitiya teaching Hospital,
Galle, Sri Lanka
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Medical Trust Clinics , Inc
Oshawa, Ontario, L1G 4T3, Canada
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National Institute of Infectious Diseases Hospital, Angoda
Angoda, Sri Lanka
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Peradeniya Teaching Hospital,
Peradeniya, Sri Lanka
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Puttalam Base Hospital,
Puttalam, Sri Lanka
Conditions
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