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CFTR modulators should improve the prognosis of Cystic Fibrosis. Identifying patients under the age of 18 responding to CFTR modulators as well as detecting possible toxicity is an important medical objective given the potential side effects and the high cost of these molecules.
This observational follow-up cohort study is carried out as part of routine care.
The main objective is to assess the evolution of pulmonary structural impairment by low-dose CF scan at the end of the first year of CFTR modulator therapy.
The secondary objectives are to evaluate structural impairment at low dose scan at 3 years and 5 years of CFTR modulator treatment, the evolution of respiratory functional parameters, growth, puberty, lung infection, sweat test, quality of life and pancreatic function, as well as tolerance of modulators including liver toxicity.
Full description
Cystic fibrosis (CF) is a deadly disease. This is due to overinfected chronic obstructive pulmonary disease that progresses to end-stage respiratory failure. CFTR modulators should improve the prognosis of CF, as they may slow the progression of patients' lung disease. Assessing their impact in the paediatric population is becoming a major issue. Children and adolescents under the age of 18 are a target cohort because they have a lung disease that is still poorly developed. Early prescription of CFTR modulators is therefore a priority but requires evidence of absence of toxicity. Identifying patients under the age of 18 responding to CFTR modulators as well as detecting possible toxicity, is an important medical objective given the potential side effects and the high cost of these molecules.
The outcomes previously used in Phase III studies (FEV1, frequency of exacerbations, nutritional status) are insufficiently sensitive in this population.
Other criteria need to be analyzed to identify the response to CFTR modulators in the short and medium term. The investigators hypothesize that the assessment of pulmonary structural impairment by low-dose lung CT-scan as part of routine care could be a much more sensitive criterion for the development of lung disease under CFTR modulators.
This observational follow-up cohort study is carried out as part of routine care. It does not involve a specific collection for research. Excess bronchial secretions and blood will be kept instead of being discarded in the event of a possible requalification for research.
The main objective is to assess the evolution of pulmonary structural impairment by low-dose CF scan at the end of the first year of CFTR modulator therapy The secondary objectives are to assess following criteria
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Inclusion criteria
Children with cystic fibrosis under the age of 18 under CFTR modulator therapy
Exclusion criteria
600 participants in 1 patient group
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Central trial contact
Anne-Sophie Bonnel, MD; Stéphane Mazur, PhD
Data sourced from clinicaltrials.gov
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