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Can a simple seawater spray beat nasal congestion?

NCT ID NCT05494346

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

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times

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.

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

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 101 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2023

Expected to finish

Jan 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

12 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * 1\. Patient ≥ 12 years. * 2\. Patient with acute rhinitis associated with nasal obstruction during infectious episodes such as rhinopharyngitis (cold), rhinosinusitis, or during non-infectious episodes such as allergic rhinitis. * 3\. a. Informed adult patient who has given written consent prior to any study specific procedure. b. Informed minor patient who has given assent and whose legal guardians have given written consent prior to any study-specific procedure. * 4\. Patient able to meet the study requirements for monitoring, spray use, and questionnaire completion. * 5\. Patient affiliated to a social security scheme. Exclusion Criteria: * 1\. Pregnant and/or breastfeeding woman * 2\. Hypersensitivity to seawater and/or known allergies to any of the ingredients of the spray. * 3\. Diseases causing narrowing of the airways (e.g. asthma, chronic obstructive pulmonary disease (COPD)) and/or respiratory insufficiency. * 4\. Patients with uncontrolled asthma (GINA score greater than or equal to 4) * 5\. Patients undergoing allergy desensitization * 6\. Patients suffering from chronic nasal obstruction due to a deformation of the nasal wall or nasal polyps. creams or gels. * 7\. Patients taking local and systemic vasoconstrictors, corticosteroids, nonsteroidal anti-inflammatory drugs (NSAIDs), antibiotics, and local antiseptics. * 8\. Concomitant use of other nasal sprays, essential oils for local nasal use, creams, or gels for the nose. * 9\. Patients under guardianship, conservatorship, or legal protection.

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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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    3 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • ALYATEC

    COMPLETED

    Strasbourg, 67000, France

  • Cabinet Médical

    RECRUITING

    Blainville-sur-Orne, 14550, France

  • Cabinet Médical Caen

    RECRUITING

    Caen, 14000, France

  • Cabinet Médical Gainneville

    WITHDRAWN

    Gainneville, 76700, France

  • MSP du Haut Anjou

    RECRUITING

    Châteauneuf-sur-Sarthe, 49330, France

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