Healthy volunteers breathe high-dose gas to track blood changes
NCT ID NCT05612074
First seen Jan 11, 2026 · Last updated May 15, 2026 · Updated 20 times
Summary
This study looks at how methemoglobin (a form of hemoglobin) builds up and clears in healthy adults when they breathe high doses of nitric oxide gas. Ten volunteers aged 18-64 will inhale up to 300 parts per million of nitric oxide on and off while being closely watched. The goal is to understand the body's response to this gas, which is sometimes used in medical treatments.
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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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