Ability of a Cat Food to Reduce Respiratory Symptoms in Cat Allergic Patients

Inclusion Criteria: * Uncontrolled allergic rhinitis (with or without treatment) * Persistent allergic rhinitis with worsening of symptoms upon exposure to cats * Presence of one or two cats in the household, whose diet consists mainly of dry kibble * Agreement of the patient to change the food of the cat(s) and to feed it exclusively with the test kibbles during the study. * Diagnosis of cat allergy defined by a positive prick test to standardized cat allergen or cat-specific IgE. * Absence of allergy to pollens emitted in the region during the 4 months following the inclusion date, confirmed by a negative skin test. * Person owning an android and/or IOS smartphone and having the possibility to connect to the internet (via phone subscription or WIFI connection), * Person who agrees to install the MASK-air application (medical device) on his personal smartphone, * Person having read and understood the information note and having signed their participation agreement before any specific procedure of the study. Exclusion Criteria: * Person planning to be away from the cat(s) for more than one week/month in the 4 months following the inclusion visit * Patient who has had a new cat in the home for less than one month * Patient in regular contact with other animals to which they are allergic * Patient with uncontrolled asthma * Patient receiving immunotherapy for cat allergies * Patient participating or having participated in an allergic rhinitis study within the last 30 days or 5 half-lives of study medication * Person who has difficulty understanding or reading the information * Person declaring to be under guardianship, curatorship or safeguard of justice.