Clinical Trial: The Effectiveness of Early Immunisation With Nirsevimab on Preschool Wheezing in France, Based on an Analysis of Data From the French Health System Database.

U.S., Jan. 6 -- ClinicalTrials.gov registry received information related to the study (NCT07317141) titled 'The Effectiveness of Early Immunisation With Nirsevimab on Preschool Wheezing in France, Based on an Analysis of Data From the French Health System Database.' on Dec. 19, 2025.

Brief Summary: Early respiratory syncytial virus (RSV) bronchiolitis is a well-known contributing factor of mid- and long-term respiratory sequelae in children such as recurrent lower tract respiratory infections (LRTIs), preschool wheezing (PW) or decreased lung function at older ages.

Nirsevimab, a monoclonal antibody against RSV with enhanced neutralizing activity and a prolonged half-life, has shown great potential in reducing short term outcomes such as ...