Ivacaftor for the treatment of cystic fibrosis in children under six years of age

Brianna C. Aoyama, Peter J. Mogayzel

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Cystic fibrosis (CF) results from aberrant ion transport due to abnormalities or absence of the cystic fibrosis transmembrane conductance regulator (CFTR), a chloride transporter that resides on the apical surface of epithelial cells. A novel class of medications, known as CFTR modulators, specifically target the abnormal protein. Areas covered: Ivacaftor increases the open probability of CFTR located on the cell surface, leading to enhanced chloride transport, and has been shown to improve lung function, weight, and quality of life. We reviewed the sentinel studies that lead to the approval of the use of ivacaftor in people with CF age six months and older with at least one CFTR gene mutation that is responsive to ivacaftor based on clinical trial and/or in vitro data. Children with CF have the greatest potential to benefit from CFTR modulator therapy when it is initiated prior to the development of permanent damage; however, challenges remain regarding use of ivacaftor in the youngest pediatric population. Expert opinion: Ivacaftor is safe and effective CFTR modulator that can be prescribed in children over six months of age with at least one CFTR gene mutation that is responsive to ivacaftor.

Original languageEnglish (US)
Pages (from-to)547-557
Number of pages11
JournalExpert review of respiratory medicine
Volume14
Issue number6
DOIs
StatePublished - Jun 2 2020

Keywords

  • CFTR modulator therapy
  • CFTR mutation
  • cystic fibrosis
  • ivacaftor
  • pediatrics
  • potentiator

ASJC Scopus subject areas

  • Immunology and Allergy
  • Pulmonary and Respiratory Medicine
  • Public Health, Environmental and Occupational Health

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