Glucose Derangements in Very Young Children With Cystic Fibrosis and Pancreatic Insufficiency

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Cystic fibrosis–related diabetes (CFRD) is considered the most common comorbidity in patients affected by cystic fibrosis (CF), with a prevalence increasing with age (1). Recently, more attention has been turned to other less severe glucose metabolism derangements (GMD), since prediabetes may be related to increased morbidity (1), and early treatment may improve the clinical course in patients with CF (2). According to recent guidelines released by the Cystic Fibrosis Foundation, the American Diabetes Association, and the Pediatric Endocrine Society, the oral glucose tolerance test (OGTT) is recommended yearly in patients with CF over 10 years of age (3). Some authors recommend annual OGTT after the age of 6 years in CF patients with pancreatic insufficiency (4). In …