{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,8]],"date-time":"2026-07-08T05:19:44Z","timestamp":1783487984589,"version":"3.55.0"},"reference-count":36,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2023,6,21]],"date-time":"2023-06-21T00:00:00Z","timestamp":1687305600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Pediatric Pulmonology"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Cystic fibrosis transmembrane conductance regulator (CFTR) modulators have been shown to have a beneficial effect on pulmonary function and nutritional status in patients with cystic fibrosis (CF), but the extent to which they affect glucose tolerance is not fully understood. In the current study, we evaluated the change in glucose tolerance and insulin secretion after first\u2010generation CFTR modulator treatment in adults with CF.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed a longitudinal observational study with an oral glucose tolerance test performed at baseline and after three and a half years of follow\u2010up. The test comprised glucose, C\u2010peptide and insulin measured at fasting, 1\u2009h, and 2\u2009h,\u00a0and HbA1c at fasting. We compared changes in parameters of glucose tolerance and insulin secretion from baseline to follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among 55 participants, 37 (67%) were treated with a first\u2010generation CFTR modulator for a median of 21\u2009months. Glucose levels were unchanged in both the treated and untreated group. In the treated group, C\u2010peptide levels declined, yet no significant differences in glucose, insulin, and C\u2010peptide levels were observed between the groups. HbA1c increased in both groups, while no significant change in the insulin sensitivity indices was detected in either group. However, homeostatic model assessment for insulin resistance tended to decline in the treated group, whilst tending towards an increase in the untreated group. The difference between the groups reached statistical significance (<jats:italic>p<\/jats:italic>\u2009=\u20090.040).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Treatment with first\u2010generation CFTR modulators, mainly tezacaftor\/ivacaftor, did not seem to be associated with glucose tolerance nor insulin secretion in adults with CF. However, CFTR modulators may still have a beneficial effect on insulin sensitivity.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ppul.26562","type":"journal-article","created":{"date-parts":[[2023,6,21]],"date-time":"2023-06-21T14:18:02Z","timestamp":1687357082000},"page":"2600-2609","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Changes in glucose tolerance in people with cystic fibrosis after initiation of first\u2010generation CFTR modulator treatment"],"prefix":"10.1002","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5983-0274","authenticated-orcid":false,"given":"Rikke Spragge","family":"Ekblond","sequence":"first","affiliation":[{"name":"Cystic Fibrosis Centre Copenhagen, Department of Infectious Diseases Copenhagen University Hospital, Rigshospitalet Copenhagen Denmark"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bibi 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