Glargine versus NPH insulin in cystic fibrosis related diabetes

Patricia Grover, William Thomas, Antoinette Moran

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Background: Cystic fibrosis related diabetes (CFRD) with fasting hyperglycemia is found in 15% of adult and 11% of adolescent CF patients. Because of concerns about hypoglycemia, it is not common practice to treat CFRD with 24-hour basal insulin therapy, despite evidence that insulin deficiency may contribute to protein catabolism and have an adverse effect on weight, muscle mass, pulmonary function, and, ultimately, survival. We hypothesized that insulin glargine would improve blood glucose control and weight in patients with CFRD without causing hypoglycemia. Methods: A randomized cross-over study compared 12 weeks each of bedtime NPH or glargine in 19 CFRD patients. Results: There was significantly greater reduction in fasting plasma glucose with glargine (P = 0.03), and participants showed a non-significant trend towards weight gain with this insulin (P = 0.07). No serious hypoglycemia occurred. At study end, all patients chose to continue glargine. Conclusions: A study of longer duration is needed to determine whether insulin glargine impacts protein catabolism and overall clinical status in CF patients, but these initial data suggest that this is a promising therapy in CFRD.

Original languageEnglish (US)
Pages (from-to)134-136
Number of pages3
JournalJournal of Cystic Fibrosis
Volume7
Issue number2
DOIs
StatePublished - Mar 2008

Bibliographical note

Funding Information:
This project was supported by an investigator-initiated grant from Sanofi Aventis, a grant from Pennsylvania Cystic Fibrosis Inc., and by NIH M01-RR-00400 (GCRC).

Keywords

  • CFRD
  • Cystic fibrosis
  • Glargine

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