ERJ open research · 2025
Real-world improvement in ultra-low-dose thoracic computed tomography scores, systemic inflammatory markers and patient-reported outcome measures after elexacaftor/tezacaftor/ivacaftor treatment.
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Ibrahim Hisham, O'Mahony Alexander T, Deasy Kevin F, Waldron Michael, McCarthy Mairead, Dorgan James, Fleming Claire, Howlett Ciara, O'Riordan Edel, McCarthy Yvonne, Twohig Sarah, Mansfield Janice, Vagg Tamara, Murphy Desmond M, O'Regan Paul, Kirwan Laura, Eustace Joseph A, O'Connor Owen J, Maher Michael M, Plant Barry J
Аннотация
BACKGROUND: Clinical trials with elexacaftor/tezacaftor/ivacaftor (ETI) in people with cystic fibrosis were associated with significant improvements in % predicted forced expiratory volume in 1 s (FEV1 % pred), sweat chloride, weight and quality of life in the respiratory domain from the cystic fibrosis questionnaire revised (CFQ-R). Limited data exist on its effect on structural lung disease and inflammatory cytokines.
METHODS: In a real-world setting with 61 people with cystic fibrosis, we prospectively recorded FEV1, sweat chloride, body mass index (BMI) and CFQ-R at baseline, 3 and 6 months after commencement of ETI. In addition, changes in ultra-low-dose (ULD) computed tomography (CT) Bhalla score, peripheral-blood and sputum inflammatory cytokines and patient-reported outcome measures (PROMs), including sino-nasal outcomes test-22 (SNOT-22) and fatigue scale (FACIT-Fatigue).
RESULTS: Significant improvements in FEV1 % pred (p=0.0001), sweat chloride (p<0.0001) and BMI (p=0.0147) after ETI treatment were noted. ULD-CT scores demonstrated reductions in peri-bronchial thickening, mucus plugging and total Bhalla score (p<0.001), and improvements in emphysema extent (p<0.0027). Improvements in systemic inflammatory status were seen with a reduction in interleukin (IL)-1β (p=0.0049), IL-6 and IL-8 (p<0.0001), and increasing IL-10 (p=0.004). Sputum cytokine analysis was not performed as only four of 61 patients spontaneously expectorated sputum after ETI. PROMs improved significantly for the SNOT-22 (p<0.0001), FACIT-Fatigue score (p=0.0001) and CFQ-R domains, including respiratory (p<0.0001), physical (p=0.007), vitality (p=0.0004), treatment burden (p=0.0028), health (p=0.0007), social (p=0.0073), weight (p=0.0068) and role/school domain (p=0.0018).
CONCLUSION: ETI responders, demonstrate significant improvements in CT imaging, circulating cytokines and PROMs, which may be of further use evaluating cystic fibrosis transmembrane conductance regulator modulation treatment response.
METHODS: In a real-world setting with 61 people with cystic fibrosis, we prospectively recorded FEV1, sweat chloride, body mass index (BMI) and CFQ-R at baseline, 3 and 6 months after commencement of ETI. In addition, changes in ultra-low-dose (ULD) computed tomography (CT) Bhalla score, peripheral-blood and sputum inflammatory cytokines and patient-reported outcome measures (PROMs), including sino-nasal outcomes test-22 (SNOT-22) and fatigue scale (FACIT-Fatigue).
RESULTS: Significant improvements in FEV1 % pred (p=0.0001), sweat chloride (p<0.0001) and BMI (p=0.0147) after ETI treatment were noted. ULD-CT scores demonstrated reductions in peri-bronchial thickening, mucus plugging and total Bhalla score (p<0.001), and improvements in emphysema extent (p<0.0027). Improvements in systemic inflammatory status were seen with a reduction in interleukin (IL)-1β (p=0.0049), IL-6 and IL-8 (p<0.0001), and increasing IL-10 (p=0.004). Sputum cytokine analysis was not performed as only four of 61 patients spontaneously expectorated sputum after ETI. PROMs improved significantly for the SNOT-22 (p<0.0001), FACIT-Fatigue score (p=0.0001) and CFQ-R domains, including respiratory (p<0.0001), physical (p=0.007), vitality (p=0.0004), treatment burden (p=0.0028), health (p=0.0007), social (p=0.0073), weight (p=0.0068) and role/school domain (p=0.0018).
CONCLUSION: ETI responders, demonstrate significant improvements in CT imaging, circulating cytokines and PROMs, which may be of further use evaluating cystic fibrosis transmembrane conductance regulator modulation treatment response.