Could a simple gas stop COVID-19 from getting worse?
NCT ID NCT04305457
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether breathing in nitric oxide gas could keep mild-to-moderate COVID-19 from becoming severe. Researchers enrolled 62 hospitalized adults who were breathing on their own. The goal was to see if the gas reduced the need for a breathing tube. The trial was stopped early, so results are limited.
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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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Louisiana State University Health Shreveport
Shreveport, Louisiana, 71103, United States
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Massachusetts General Hospital
Boston, Massachusetts, 02114-2621, United States
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