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Cystic fibrosis-related diabetes: links, challenges, and future directions

Authors Sheikh S, Kelly A

Received 14 May 2015

Accepted for publication 3 July 2015

Published 5 November 2015 Volume 2015:5 Pages 157—167

DOI https://doi.org/10.2147/RRED.S68278

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor Mingzhao Xing


Saba Sheikh, Andrea Kelly

Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA

Abstract: Cystic fibrosis-related diabetes (CFRD) is a common comorbidity in cystic fibrosis (CF) and portends worse clinical outcomes including lower lung function and nutritional status, and decreased survival. CFRD is distinct from other forms of diabetes, but relative insulin deficiency is a predominant feature. The catabolic effects of insulin deficiency coupled with the pro-inflammatory effects of hyperglycemia likely affect clinical outcomes. Posited mechanisms of CFRD development include collateral damage from pancreatic exocrine destruction, inherent β-cell defect, CFTR dysfunction, and incretin deficiency or unresponsiveness. Even though CF clinical care teams are increasingly aware of its implications, CFRD screening and management remain a challenge. Promising clinical and basic research in the fields of diabetes and CF and the advent of novel therapeutics targeting the protein defect in CF have potential to change CFRD care. This review presents newer data on insulin defects and glucose derangements and highlights continuing challenges and unanswered questions.

Keywords: cystic fibrosis, insulin, glucose intolerance

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