Can a simple seawater spray beat a stuffy nose?

NCT ID NCT06580210

Recruiting now Symptom relief Sponsor: Laboratoires Gilbert Source: ClinicalTrials.gov ↗

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.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

allergic rhinitis common cold Nasal Obstruction nasopharyngitis Rhinitis, Allergic Rhinosinusitis sinusitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ACUTE RHINITIS ALLERGIC RHINITIS NASAL OBSTRUCTION RHINOPHARYNGITIS RHINOSINUSITIS

Contacts and locations

Locations

Pharmacie de la Force
NOT_YET_RECRUITING

La Force, 24130, France
Pharmacie de la Guérinière
RECRUITING

Caen, 14000, France
Pharmacie du Pont Saint Jean
NOT_YET_RECRUITING

Bayeux, 14400, France

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