Effect of Elexacaftor/Tezacaftor/Ivacaftor on

As cystic fibrosis (CF) lung disease progresses, the airways become infected with opportunistic pathogens, such as A retrospective analysis of inhaled tobramycin (iTOB) prescriptions between January 1, 2016, and December 31, 2021, was performed. This captured data before and after ETI approval at Children's Mercy Kansas City (CMKC). The number of individuals with new PA acquisition and individuals considered -chronically infected was analyzed. The number of eradication prescriptions declined in 2020 and 2021, with 15 (7%) and 12 (5%) -individuals prescribed therapy for those years, respectively. A similar pattern was observed for -prescriptions for chronic infection. A reduction was seen in 2020 and 2021, with 28 (13%) and 20 (9%) individuals -prescribed therapy for the respective years. The CMKC experienced a decrease in the number of courses of iTOB prescribed during the last 6 years. The reasons for this are likely multifactorial and may include the implementation of standardized PA surveillance and eradication protocols, the effect of HEMT on mucociliary clearance and airway microbiology, and the poorly understood effects of the SARS-CoV-2 pandemic on the epidemiology of respiratory infections.

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Déclaration de conflit d'intérêts

Disclosures. The authors declare no conflicts or financial interest in any product or service mentioned in the manuscript, including grants, equipment, medications, employment, gifts, and honoraria. The authors had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.