Low-dose insulin therapy in patients with cystic fibrosis and early-stage insulinopenia prevents deterioration of lung function: a 3-year prospective study
Language English Country Germany Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
21932580
DOI
10.1515/jpem.2011.050
Knihovny.cz E-resources
- MeSH
- Early Diagnosis MeSH
- Time Factors MeSH
- Cystic Fibrosis complications MeSH
- Child MeSH
- Glucose Tolerance Test MeSH
- Glycated Hemoglobin analysis MeSH
- Hypoglycemic Agents administration & dosage therapeutic use MeSH
- Insulin Resistance * MeSH
- Cohort Studies MeSH
- Blood Glucose analysis MeSH
- Humans MeSH
- Follow-Up Studies MeSH
- Insulin, Isophane administration & dosage therapeutic use MeSH
- Lung drug effects physiopathology MeSH
- Glucose Intolerance blood complications drug therapy physiopathology MeSH
- Prediabetic State blood complications drug therapy physiopathology MeSH
- Prospective Studies MeSH
- Respiratory Function Tests MeSH
- Case-Control Studies MeSH
- Check Tag
- Child MeSH
- Humans MeSH
- Male MeSH
- Female MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Glycated Hemoglobin A MeSH
- hemoglobin A1c protein, human MeSH Browser
- Hypoglycemic Agents MeSH
- Blood Glucose MeSH
- Insulin, Isophane MeSH
Cystic fibrosis related diabetes (CFRD) is an insulinopenic condition. We aimed to detect insulinopenia early and to evaluate the impact of low dose insulin on nutritional status and forced expiratory volume in first second (FEV1). Out of 142 cystic fibrosis patients (CFpts) older than 10 years, 28 with abnormal oral glucose tolerance test in spite of normal fasting glycemia were found to have decreased first phase insulin release and started low dose insulin therapy (median age 15.4 years). Sex and age matched CFpts with normal glucose tolerance (NGT) were observed for comparison. Whereas nutritional status improved following 3 years of insulin administration, FEV1 stabilized in insulin-treated insulinopenic subjects (73.8 +/- 4.3% vs. 73.5 +/- 4.4%), but decreased in the parallel group with NGT who remained without insulin treatment (71.1 +/- 3.8% vs. 61.0 +/- 4.0%; p = 0.001). We conclude that low dose insulin improves nutritional status and stabilizes pulmonary functions. Regular estimation of stimulated insulin secretion in CFpts may allow optimizing treatment.
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