Reduction of systemic inflammation by elexacaftor/tezacaftor/ivacaftor correlates with lung function improvement in cystic fibrosis
Background: The triple cystic fibrosis transmembrane conductance regulator modulator therapy elexacaftor/tezacaftor/ivacaftor (ETI) rapidly improves airway and systemic inflammation in people with cystic fibrosis. However, longitudinal effects on systemic inflammation and their relationship to lung...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
4 December 2025
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| In: |
The European respiratory journal
Year: 2025, Jahrgang: 66, Heft: 6, Pages: 1-13 |
| ISSN: | 1399-3003 |
| DOI: | 10.1183/13993003.00150-2025 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: https://doi.org/10.1183/13993003.00150-2025 Verlag, kostenfrei, Volltext: https://publications.ersnet.org/content/erj/66/6/2500150 
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| Verfasserangaben: | Olga Halle, Simon Y. Graeber, Julia Kontsendorn, Claudia Kessemeier, Jan-Niklas Falke, Jannik Schwabe, Katharina Schütz, Sophia T. Pallenberg, Rebecca Dalferth, Ruth Grychtol, Felix C. Ringshausen, Mirjam Stahl, Stephanie Thee, Jobst F. Roehmel, Zulfiya Syunyaeva, Julia Duerr, Jaehi Chung, Stephanie Hirtz, Tatjana Uselmann, Iris Kühbandner, Claudia Rückes-Nilges, Azadeh Bagheri-Pothoff, Sandra Barth, Bianca Schaub, Folke Brinkmann, Stefanie Weber, Silke van Koningsbruggen-Rietschel, Mustafa Abdo, Markus Weckmann, Stefanie Widder, Gesine Hansen, Burkhard Tümmler, Olaf Sommerburg, Lutz Naehrlich, Marcus A. Mall and Anna-Maria Dittrich |
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| 245 | 1 | 0 | |a Reduction of systemic inflammation by elexacaftor/tezacaftor/ivacaftor correlates with lung function improvement in cystic fibrosis |c Olga Halle, Simon Y. Graeber, Julia Kontsendorn, Claudia Kessemeier, Jan-Niklas Falke, Jannik Schwabe, Katharina Schütz, Sophia T. Pallenberg, Rebecca Dalferth, Ruth Grychtol, Felix C. Ringshausen, Mirjam Stahl, Stephanie Thee, Jobst F. Roehmel, Zulfiya Syunyaeva, Julia Duerr, Jaehi Chung, Stephanie Hirtz, Tatjana Uselmann, Iris Kühbandner, Claudia Rückes-Nilges, Azadeh Bagheri-Pothoff, Sandra Barth, Bianca Schaub, Folke Brinkmann, Stefanie Weber, Silke van Koningsbruggen-Rietschel, Mustafa Abdo, Markus Weckmann, Stefanie Widder, Gesine Hansen, Burkhard Tümmler, Olaf Sommerburg, Lutz Naehrlich, Marcus A. Mall and Anna-Maria Dittrich |
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| 520 | |a Background: The triple cystic fibrosis transmembrane conductance regulator modulator therapy elexacaftor/tezacaftor/ivacaftor (ETI) rapidly improves airway and systemic inflammation in people with cystic fibrosis. However, longitudinal effects on systemic inflammation and their relationship to lung function remain unknown. Methods: In this prospective, observational, multicentre study, we analysed peripheral blood neutrophil counts, C-reactive protein (CRP) and six pro-inflammatory serum cytokines in a cohort of 198 people with cystic fibrosis aged ≥6 years at baseline and follow-up visits 3, 12 and 24 months after initiation of ETI, compared to 74 age-matched healthy control participants. Results: Neutrophil counts and CRP, granulocyte colony-stimulating factor, interleukin (IL)-1β, IL-6 and IL-8 were reduced to 71%, 40%, 41%, 63%, 46% and 81% of median baseline values, respectively, after 3 months of therapy (all p<0.05), whereas monocyte chemotactic protein-1 reached 82% of baseline levels at 12 months only (p<0.05). Change from baseline to 3 months correlated with improvements in percent predicted forced expiratory volume for all systemic inflammation parameters except IL-8 (Spearman's r −0.17 to −0.42, p<0.05). All cytokines reached healthy control levels at or before 24 months. Decreased inflammation levels were sustained until 24 months for all parameters (p<0.05) except IL-6. Conclusions: Our results demonstrate that ETI exerts rapid and sustained effects on systemic inflammation associated with lung function improvements in children, adolescents and adults with cystic fibrosis in a real-world, post-approval setting. However, our data also show that individual markers of systemic inflammation remain at levels above those of healthy controls, particularly in certain subgroups, suggesting persistence or resurgence of residual systemic inflammation. | ||
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