Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society · 2023
Improved glucose tolerance after initiation of Elexacaftor / Tezacaftor / Ivacaftor in adults with cystic fibrosis.
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Steinack Carolin, Ernst Matthias, Beuschlein Felix, Hage René, Roeder Maurice, Schuurmans Macé M, Schmid Christoph, Gaisl Thomas
Аннотация
BACKGROUND: The novel triple CFTR modulator therapy Elexacaftor/Tezacaftor/Ivacaftor (ELX/TEZ/IVA) improves lung function, body mass index (BMI), sinus clearance, and quality of life in patients with cystic fibrosis. Whether treatment with ELX/TEZ/IVA is associated with improved glucose tolerance is unknown.
METHODS: This cohort study included adults with CF and at least one copy of F508del.. Study assessments before treatment and at least 3 months after ELX/TEZ/IVA initiation included an oral glucose tolerance test (OGTT) with glucose and insulin measurements, BMI, lung function test, and sweat chloride levels. We used an analysis of response profiles to calculate changes in outcomes.
RESULTS: 33 patients (27.8 ± 6.3 years; 73% male; 64% F508del homozygous) were included. After a median of 184 [IQR, 107 - 278] days following treatment initiation 16 (48.5%) patients improved their glucose tolerance category, while 13 (39.4%) remained unchanged and 4 (12.1%) deteriorated. Overall, 60, 90 and 120 min OGTT glycemia decreased significantly from 11.9 ± 2.7 mmol/l to 10.6 ± 2.8 mmol/l (p = 0.012), 10.4 ± 3.0 mmol/l to 8.4 ± 3.6 mmol/l (p = 0.002) and 7.3 ± 3.1 mmol/l to 5.7 ± 3.0 mmol/l (p = 0.012). HbA1c levels also improved significantly, from 5.50±0.24% to 5.39±0.25% (p = 0.039).
CONCLUSION: In adult patients with CF and at least one copy of F508del, treatment with the triple CFTR modulator was associated with possible improvement of glucose tolerance without increases of insulin secretion. Early initiation of treatment as assessed through long-term prospective trials is mandatory to demonstrate if decreased glucose control is preventable or even reversible.
METHODS: This cohort study included adults with CF and at least one copy of F508del.. Study assessments before treatment and at least 3 months after ELX/TEZ/IVA initiation included an oral glucose tolerance test (OGTT) with glucose and insulin measurements, BMI, lung function test, and sweat chloride levels. We used an analysis of response profiles to calculate changes in outcomes.
RESULTS: 33 patients (27.8 ± 6.3 years; 73% male; 64% F508del homozygous) were included. After a median of 184 [IQR, 107 - 278] days following treatment initiation 16 (48.5%) patients improved their glucose tolerance category, while 13 (39.4%) remained unchanged and 4 (12.1%) deteriorated. Overall, 60, 90 and 120 min OGTT glycemia decreased significantly from 11.9 ± 2.7 mmol/l to 10.6 ± 2.8 mmol/l (p = 0.012), 10.4 ± 3.0 mmol/l to 8.4 ± 3.6 mmol/l (p = 0.002) and 7.3 ± 3.1 mmol/l to 5.7 ± 3.0 mmol/l (p = 0.012). HbA1c levels also improved significantly, from 5.50±0.24% to 5.39±0.25% (p = 0.039).
CONCLUSION: In adult patients with CF and at least one copy of F508del, treatment with the triple CFTR modulator was associated with possible improvement of glucose tolerance without increases of insulin secretion. Early initiation of treatment as assessed through long-term prospective trials is mandatory to demonstrate if decreased glucose control is preventable or even reversible.