Not Yet RecruitingNot Applicable

National Observatory of Children Hospitalized With Bronchiolitis

France1,000 participantsStarted 2026-03-15

Plain-language summary

OVNI3 is multicenter, non-interventional study based on the analysis of retrospective patient data extracted from medical records and collected as part of routine clinical care following hospitalization for bronchiolitis

Who can participate

Age range1 Day – 12 Months

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Children under 12 months * Treated at one of the 12 study sites * From October 15, 2025 to February 15, 2026 * For acute bronchiolitis defined according to current national and international recommendations * Hospitalized and * RSV testing * Known nirsevimab immunization status for the ongoing 2025/2026 season Exclusion Criteria: * Refusal to participate by the legal representative * Maternal immunization with abrysvo after September 1st 2025

What they're measuring

Evaluate the nirsevimab effectiveness for RSV Bronchiolitis hospitalized vs Non-RSV Bronchiolitis in 2025/2026.

Timeframe: 6 months

Trial details

NCT IDNCT07485907

SponsorAssociation Clinique Thérapeutique Infantile du val de Marne

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-09-15

Contact for this trial

Corinne Levy

1 48 85 04 04 corinne.levy@activ-france.fr

View on ClinicalTrials.gov More Bronchiolitis trials