Laboratoire de la Mer SAS

The brief of this observational study is to evaluate usage, efficacy, safety and patient satisfaction of a range of hypertonic seawater-based decongestant nasal sprays in general population.
The main questions it aims to answer are:
Usage,
Efficacy,
Safety,
Satisfaction, in real-life usage with children, adults and pregnant or breastfeeding women. Participants will use the nasal spray as usual habits and complete daily questionnaires.

Prospective, randomized, controlled, multicenter, parallel clinical trial to assess the efficacy of seawater nasal wash to relieve COVID-19 and URTIs nasal symptoms and reduce intranasal viral load in subjects with mild to moderate COVID-19 disease and URTIs.

Prospective, randomized, double-blind, placebo-controlled, multicentre clinical trial to assess the efficacy and tolerability of natural seawater based throat spray among adult patients with acute sore throat.