Nitric oxide trial to shield hospital staff from COVID-19 fizzles out
NCT ID NCT04312243
First seen Jan 08, 2026 · Last updated Apr 29, 2026 · Updated 14 times
Summary
This study aimed to see if breathing in nitric oxide gas could protect healthcare workers from catching COVID-19. It planned to enroll 470 participants but was stopped early with only 24 people. The trial compared workers who inhaled the gas to those who did not, while everyone followed standard safety rules.
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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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Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
Conditions
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