Can a simple seawater spray beat a stuffy nose?
NCT ID NCT06580210
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing a seawater spray mixed with essential oils to see how well it relieves nasal congestion from colds, sinus infections, or allergies. About 114 people aged 12 and older will use the spray for 7 days. The main goal is to see if nasal blockage improves after 3 days of use.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
seawater spray with essential oils
What this could lead to
If it works, this could offer a simple, drug-free option for quickly easing stuffy noses during colds or allergies.
What could go wrong
This is a small, short-term study (7 days) with no comparison group, so results may not be conclusive. The spray is already on the market, so major safety issues are unlikely but possible.
Disclaimer
Read more
Show less
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.
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.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for NASAL OBSTRUCTION are added.
By submitting, you agree to our Terms of use
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
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Study contacts
-
Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
-
Pharmacie de la Force
NOT_YET_RECRUITINGLa Force, 24130, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
-
Pharmacie de la Guérinière
RECRUITINGCaen, 14000, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
-
Pharmacie du Pont Saint Jean
NOT_YET_RECRUITINGBayeux, 14400, France
Contact Phone: •••-•••-•••• Email: •••••@•••••