Use of elexacaftor/tezacaftor/ivacaftor leads to changes in detection frequencies of Staphylococcus aureus and Pseudomonas aeruginosa dependent on age and lung function in people with cystic fibrosis
Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved..
OBJECTIVES: The impressive improvements of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) function by elexacaftor/tezacaftor/ivacaftor (ETI) result in changes in the detection frequencies of Staphylococcus aureus (SA) and Pseudomonas aeruginosa (PA). We assessed determinants of the response to ETI with regards to SA and PA detection frequencies as documented in the German CF registry for people with CF (pwCF) ≥12 years.
METHODS: We evaluated changes in the detection frequencies of SA and PA for 21 months before and after initiation of ETI and used different statistical tests to identify determinants of detection changes.
RESULTS: We included data from 1092 pwCF with results from culture-dependent diagnostics for SA and PA detection from 7944 microbiological samples before and 6.845 microbiological samples after initiation of ETI. Detections of SA decreased from 54.3% to 44.3% and 40.2% and those of PA from 39.9% to 31.9% and 22.6% 3 and 21 months after initiation of therapy, respectively (all P <0.001). Reduction of SA and PA were observed in throat swabs and sputa, associated significantly with age, previous lung function, and were dependent on pre-ETI colonization status.
CONCLUSIONS: The different patterns of reductions of SA and PA suggest that pathogen-specific biological processes govern the responsiveness of microbiological colonization towards ETI in pwCF.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:139 |
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| Enthalten in: |
International journal of infectious diseases : IJID : official publication of the International Society for Infectious Diseases - 139(2024) vom: 15. Jan., Seite 124-131 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Dittrich, Anna-Maria [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 15.01.2024 Date Revised 15.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ijid.2023.11.013 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM365273821 |
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| 100 | 1 | |a Dittrich, Anna-Maria |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Use of elexacaftor/tezacaftor/ivacaftor leads to changes in detection frequencies of Staphylococcus aureus and Pseudomonas aeruginosa dependent on age and lung function in people with cystic fibrosis |
| 264 | 1 | |c 2024 | |
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| 500 | |a Date Revised 15.01.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved. | ||
| 520 | |a OBJECTIVES: The impressive improvements of cystic fibrosis (CF) transmembrane conductance regulator (CFTR) function by elexacaftor/tezacaftor/ivacaftor (ETI) result in changes in the detection frequencies of Staphylococcus aureus (SA) and Pseudomonas aeruginosa (PA). We assessed determinants of the response to ETI with regards to SA and PA detection frequencies as documented in the German CF registry for people with CF (pwCF) ≥12 years | ||
| 520 | |a METHODS: We evaluated changes in the detection frequencies of SA and PA for 21 months before and after initiation of ETI and used different statistical tests to identify determinants of detection changes | ||
| 520 | |a RESULTS: We included data from 1092 pwCF with results from culture-dependent diagnostics for SA and PA detection from 7944 microbiological samples before and 6.845 microbiological samples after initiation of ETI. Detections of SA decreased from 54.3% to 44.3% and 40.2% and those of PA from 39.9% to 31.9% and 22.6% 3 and 21 months after initiation of therapy, respectively (all P <0.001). Reduction of SA and PA were observed in throat swabs and sputa, associated significantly with age, previous lung function, and were dependent on pre-ETI colonization status | ||
| 520 | |a CONCLUSIONS: The different patterns of reductions of SA and PA suggest that pathogen-specific biological processes govern the responsiveness of microbiological colonization towards ETI in pwCF | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CFTR modulator | |
| 650 | 4 | |a Cystic fibrosis | |
| 650 | 4 | |a Elexacaftor, tezacaftor, ivacaftor | |
| 650 | 4 | |a Pseudomonas aeruginosa | |
| 650 | 4 | |a Staphylococcus aureus | |
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| 650 | 7 | |a Pyridines |2 NLM | |
| 650 | 7 | |a Pyrrolidines |2 NLM | |
| 650 | 7 | |a Quinolones |2 NLM | |
| 700 | 1 | |a Sieber, Sarah |e verfasserin |4 aut | |
| 700 | 1 | |a Naehrlich, Lutz |e verfasserin |4 aut | |
| 700 | 1 | |a Burkhart, Manuel |e verfasserin |4 aut | |
| 700 | 1 | |a Hafkemeyer, Sylvia |e verfasserin |4 aut | |
| 700 | 1 | |a Tümmler, Burkhard |e verfasserin |4 aut | |
| 700 | 0 | |a Registry Working Group of the German CF Registry |e verfasserin |4 aut | |
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