Nose spray could block COVID spread in homes
NCT ID NCT05204550
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a nose spray containing heparin, a common and safe medicine, to see if it could stop the spread of COVID-19 within households. Over 500 people who lived with someone who tested positive for COVID-19 used the spray or a dummy spray three times a day for 10 days. The goal was to see if fewer people in the heparin group caught the virus compared to the dummy group.
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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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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.
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Locations
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The Northern Hospital
Epping, Victoria, 3076, Australia