Can a simple seawater spray beat nasal congestion?

NCT ID NCT05494346

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing a new seawater spray with essential oils to see if it safely relieves nasal congestion from colds, sinus infections, or allergies. About 101 people aged 12 and older will use the spray for 8 days. The main goal is to check if nasal stuffiness improves by at least 1 point on a 0-5 scale after 3 days.

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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.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • ALYATEC

    COMPLETED

    Strasbourg, 67000, France

  • Cabinet Médical

    RECRUITING

    Blainville-sur-Orne, 14550, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

  • Cabinet Médical Caen

    RECRUITING

    Caen, 14000, France

    Contact

  • Cabinet Médical Gainneville

    WITHDRAWN

    Gainneville, 76700, France

  • MSP du Haut Anjou

    RECRUITING

    Châteauneuf-sur-Sarthe, 49330, France

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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