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Ocean in a bottle? new study tests seawater sprays for sinus relief

NCT ID NCT07262450

Symptom relief Sponsor: Laboratoire de la Mer 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026

Summary

This study looks at how well seawater nasal sprays work in everyday life for people with nasal and sinus issues like colds, allergies, or after surgery. About 1065 people of all ages, including pregnant women, will use the sprays and report their symptoms. The goal is to see if these sprays safely reduce congestion, runny nose, and other discomfort.

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 1,065 people

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

Started

Aug 2025

Expected to finish

Aug 2026

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

15 days 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: * Subject's age and medical condition in compliance with the intended use and population * Subjects who, from the investigator's judgement, should benefit from nasal wash in accordance with routine medical practice * Subjects with at least two nasal symptoms of intensity ≥ 3 (6 modalities intensity SNOT-22 rating-scale) among the following: * Nasal blockage/nasal congestion/ stuffy nose; * Runny nose; * Need to blow/clear the nose; * Sneezing; * Thick nasal discharge/secretions; * Decreased sense of smell /taste (replaced by "noisy breathing/mouth breathing" for infants) * Subjects with impaired nasal breathing (score ≥ 3, 6-modalities intensity rating-scale), induced by the presence of nasal symptoms * For acute indications (only): subjects with symptoms started not later than 72 hours prior to enrolment (Day 0). * For allergic rhinitis indication: perennial allergic rhinitis with and without seasonal allergic rhinitis * For post-surgery indication: septoplasty and rhinoseptoplasty. * Subject/parent willing to perform nasal wash following advices received from HCPs. * Subjects (or parents for babies and children) agreeing to follow the study requirements during the whole study period (up to 3 months). * Subject (or parent for baby and children) able to understand verbal and written local language and in capacity to fill-in questionnaire by himself. * Subject having daily access to internet to answer online questionnaire. * Subject or Parent/legal guardian of the subject has given freely and expressly her/his informed consent. * Subject affiliated to the health social security system or beneficiary of an equivalent system Non-inclusion criteria: * Subject with contraindications according to each IFU. * Hypersensitivity or known allergy to any component of the investigational products. * Subject taking part in another clinical study or being in the exclusion period of another clinical study. * Subject already using nasal wash to manage his nasal symptoms. * Subject already included once in the study. * Subject with a member of his household already included in the study if still in the follow-up phase. * Subject deprived of liberty by administrative or judicial decision or under legal guardianship.

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Conditions

The condition(s) this trial relates to.

allergic rhinitis bronchiolitis chronic rhinosinusitis COVID-19 respiratory tract infectious disorder Rhinitis, Allergic

As listed by the trial registrant

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

Allergic rhinitis Bronchiolitis Chronic rhinosinusitis (CRS) COVID -19 Post-surgery URTI

How to take part

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

  1. The places running it

    32 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

  • CHD Vendée

    RECRUITING

    La Roche-sur-Yon, France

  • CHU Bordeaux

    RECRUITING

    Bordeaux, France

  • CHU Poitiers

    RECRUITING

    Poitiers, France

  • CHU de Clermont-Ferrand

    RECRUITING

    Clermont-Ferrand, France

  • CKRF Marcq en Baroeul

    RECRUITING

    Marcq-en-Barœul, France

  • CRKF Tourcoing

    RECRUITING

    Tourcoing, France

  • Cabinet de Kinésithérapie HODOROABA Vincent

    RECRUITING

    Wissous, France

  • Cabinet de kinésithérapie respiratoire Sophie Jacques

    RECRUITING

    Rennes, France

  • Centre de Kinésithérapie spécialisé en rééducation respiratoire - Marseille

    RECRUITING

    Marseille, France

  • Centre de santé respiratoire Saint Paul Lès Dax

    RECRUITING

    Saint-Paul-lès-Dax, France

  • Centre médical Chamberte

    RECRUITING

    Montpellier, France

  • Centre respiratoire de Valenciennes

    RECRUITING

    Valenciennes, France

  • Clinique Saint-Jean

    RECRUITING

    Saint-Jean-de-Védas, France

  • Kap Santé

    RECRUITING

    Courrières, France

  • La Maison du Souffle

    RECRUITING

    Metz, France

  • Maison Médicale Avicenne

    RECRUITING

    Chevaigné, France

  • Maison médicale Belencontre

    RECRUITING

    Tourcoing, France

  • Maison médicale Heyrieux

    RECRUITING

    Heyrieux, France

  • Maison médicale de la Bourgogne

    RECRUITING

    Tourcoing, France

  • Pharmacie DRAPEAU

    RECRUITING

    Pont-Saint-Martin, France

  • Pharmacie Daguet

    RECRUITING

    Châteauroux, France

  • Pharmacie Deroche

    RECRUITING

    Roézé-sur-Sarthe, France

  • Pharmacie Girard

    RECRUITING

    Saint-Colomban, France

  • Pharmacie Lombard

    RECRUITING

    Châtenay-Malabry, France

  • Pharmacie Marine

    RECRUITING

    Cabourg, France

  • Pharmacie St-Exupery

    RECRUITING

    Wissous, France

  • Pharmacie de la Faïncerie

    RECRUITING

    Bourg-la-Reine, France

  • Pharmacie de la Liberté

    RECRUITING

    Falaise, France

  • Pharmacie des Corsaires

    RECRUITING

    St-Malo, France

  • Pharmacie des verts coteaux

    RECRUITING

    Châtenay-Malabry, France

  • Pharmacie du Pot d'Etain

    RECRUITING

    Pont-Audemer, France

  • Pôle Santé de Réadaptation Toulouse Ouest

    RECRUITING

    Toulouse, France

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Other studies related to the condition(s) this trial covers.