Inhaled nitric oxide appeared to kill the coronavirus that caused severe acute respiratory syndrome, or SARS, and it might work on COVID-19 as well.
Its discovery gave rise to a treatment that snatches thousands of “blue babies” — newborns starved of oxygen by a heart defect — from the jaws of death every year. Later, research into the gas’s knack for relaxing blood vessels led to the development of the world’s best-known little blue pill — the erectile dysfunction drug Viagra.
Nitric oxide may not be done yet. The colorless, odorless gas, inhaled through a mask or even from a small “flute,” is now being tested as an experimental treatment for COVID-19. It may also prove helpful in protecting healthcare workers on the front line of the pandemic from getting sick.clinical trial
For about 30 minutes two or three times a day, study participants assigned to the trial’s active arm will inhale a high dose of nitric oxide through a mask. A control group will go without the gas.Sign up for the latest news, best stories and what they mean for you, plus answers to your questions.
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