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Could a simple saltwater spray ease your next cold?

NCT ID NCT07267689

Completed Symptom relief Sponsor: Laboratoires Gilbert Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jul 24, 2026 · Updated 3 times

Summary

This study is testing a hypertonic seawater aerosol spray (a saltwater mist) to see if it helps relieve nasal symptoms, improve sleep, and thin mucus in people with colds, sinus infections, or similar upper respiratory infections. About 110 adults and children aged 2 and older will use the spray twice daily for 7 days at home. The goal is to check if the spray is safe and effective for easing symptoms.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
hypertonic seawater aerosol solution
What this could lead to
If it works, this could provide a simple, drug-free option to relieve cold and sinus symptoms at home.
What could go wrong
This is a small, non-comparative study with no placebo group, so results may not prove the spray works better than doing nothing. It only tracks symptoms for 7 days.

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.

chronic obstructive pulmonary disease common cold nasopharyngitis Respiratory Aspiration respiratory tract infectious disorder rhinitis

As listed by the trial registrant

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

COLD SYMPTOM RHINITIS ACUTE RHINITIS VIRAL RHINOPHARYNGITIS UPPER RESP TRACT INFECTION

Contacts and locations

Locations

  • Centrum Medyczne PZU Zdrowie

    Kielce, 25-017, Poland

  • Centrum Medyczne Zdrowie

    Kielce, 25-713, Poland

  • Centrum Nowoczesnych Terapii "Dobry Lekarz"

    Krakow, 31-011, Poland

  • Krajmed Centrum Medyczne

    Warsaw, 02-743, Poland

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