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Mainz JG, Barucha A, Huang P, Bechinger L, Duckstein F, Polte L, Sadrieh P, Nährlich L, Eickmeier O, Van Dullemen S, Eschenhagen P, Schwarz C, Lüth S, Zagoya C, Graepler-Mainka U. Dynamics of abdominal symptoms during the start of a new therapy with elexacaftor/tezacaftor/ivacaftor using the novel CFAbd-day2day questionnaire. Front Pharmacol 2023; 14:1167407. [PMID: 38026920 PMCID: PMC10658783 DOI: 10.3389/fphar.2023.1167407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 09/29/2023] [Indexed: 12/01/2023] Open
Abstract
Background: Elexacaftor-tezacaftor-ivacaftor (ETI) is a novel, highly effective CFTR modulator combination proven to enhance lung function and body weight in people with cystic fibrosis (pwCF) carrying a F508del mutation. Recently, we revealed significant reductions in abdominal symptoms (AS) in German, British, and Irish pwCF after 24-26 weeks of ETI using the CFAbd-Score, the first patient-reported outcome measure (PROM) specifically developed and validated for pwCF following FDA guidelines. Notably, many pwCF reported marked changes in their AS during the first days of the new treatment. To capture these immediate effects, we developed the CFAbd-day2day, a CF-specific GI-diary, following FDA and COSMIN guidelines. Aim: To prospectively capture the immediate dynamics of AS using the CFAbd-day2day 14 days before and 14-28 days after ETI initiation. In addition, we aim to provide validation steps of the novel PROM concerning sensitivity to changes. Methods: To develop the CFAbd-day2day, focus groups (community voice = pwCF and their proxies and CF specialists from different fields) were repeatedly consulted. Before and during the new ETI therapy, pwCF prospectively scored AS on a daily basis with the CFAbd-day2day. Results: Altogether, 45 pwCF attended in five CF centers prospectively completed the CFAbd-day2day before (mean ± sd:14 ± 7 days) and after (mean ± sd: 28 ± 23 days) ETI initiation. On the one hand, cumulative scores significantly decreased during the 3-4-week time frame after ETI initiation, compared to 2 weeks prior to therapy. On the other hand, many patients who revealed a relatively stable level of AS before ETI reported changes during the first days of treatment with the highly effective CFTR modulators. Factors like pain and flatulence increased in up to 21% of patients during the first 14 days of therapy, but they improved during days 15-27. Conclusion: The CFAbd-day2day, specifically developed and in the process of validation to prospectively capture GI symptoms in pwCF, provides new substantial insights into the dynamics of AS in pwCF receiving a new treatment with ETI. This novel tool is also helpful in prospectively monitoring patients with specific GI problems. International implementation and further validation steps of the diary are ongoing.
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Affiliation(s)
- Jochen G. Mainz
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Anton Barucha
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Pu Huang
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Lilith Bechinger
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Franziska Duckstein
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Louise Polte
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Pauline Sadrieh
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
| | - Lutz Nährlich
- CF Center for Children Justus-Liebig-Universität Gießen, Universitätsklinikum Gießen-Marburg GmbH, Gießen, Germany
| | - Olaf Eickmeier
- Division of Allergy, Pulmonology and Cystic Fibrosis, Department for Children and Adolescents, University Hospital, Frankfurt, Germany
| | - Suzanne Van Dullemen
- Division of Allergy, Pulmonology and Cystic Fibrosis, Department for Children and Adolescents, University Hospital, Frankfurt, Germany
| | | | | | - Stefan Lüth
- Department of Gastroenterology, Brandenburg Medical School (Theodor Fontane), Brandenburg an der Havel, Germany
| | - Carlos Zagoya
- CF-Center, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Medizinische Hochschule Brandenburg (MHB), Universitätsklinikum, Brandenburg an der Havel, Germany
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Mainz JG, Zagoya C, Polte L, Naehrlich L, Sasse L, Eickmeier O, Smaczny C, Barucha A, Bechinger L, Duckstein F, Kurzidim L, Eschenhagen P, Caley L, Peckham D, Schwarz C. Corrigendum: Elexacaftor-Tezacaftor-Ivacaftor treatment reduces abdominal symptoms in cystic fibrosis-early results obtained with the CF-specific CFAbd-Score. Front Pharmacol 2023; 14:1207356. [PMID: 37205908 PMCID: PMC10189544 DOI: 10.3389/fphar.2023.1207356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 04/21/2023] [Indexed: 05/21/2023] Open
Abstract
[This corrects the article DOI: 10.3389/fphar.2022.877118.].
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Affiliation(s)
- Jochen G. Mainz
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- Faculty of Health Sciences Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, The Brandenburg Medical School Theodor Fontane and the University of Potsdam, Potsdam, Germany
- *Correspondence: Jochen G. Mainz,
| | - Carlos Zagoya
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Louise Polte
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Lutz Naehrlich
- Department of Pediatrics, Justus-Liebig-University Giessen, Giessen, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Giessen, Germany
| | - Lenny Sasse
- Department of Pediatrics, Justus-Liebig-University Giessen, Giessen, Germany
| | - Olaf Eickmeier
- Christiane Herzog CF-Zentrum Frankfurt am Main, Universitätsklinikum Frankfurt am Main CF-Zentrum, Frankfurt am Main, Germany
| | - Christina Smaczny
- Christiane Herzog CF-Zentrum Frankfurt am Main, Universitätsklinikum Frankfurt am Main CF-Zentrum, Frankfurt am Main, Germany
| | - Anton Barucha
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Lilith Bechinger
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Franziska Duckstein
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Ludwik Kurzidim
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
- CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
| | - Patience Eschenhagen
- CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
| | - Laura Caley
- Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds, United Kingdom
| | - Daniel Peckham
- Leeds Institute of Medical Research at St James’s, University of Leeds, Leeds, United Kingdom
- Adult Cystic Fibrosis Unit, St James’s University Hospital, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
| | - Carsten Schwarz
- CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
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Mainz JG, Zagoya C, Polte L, Naehrlich L, Sasse L, Eickmeier O, Smaczny C, Barucha A, Bechinger L, Duckstein F, Kurzidim L, Eschenhagen P, Caley L, Peckham D, Schwarz C. Elexacaftor-Tezacaftor-Ivacaftor Treatment Reduces Abdominal Symptoms in Cystic Fibrosis-Early results Obtained With the CF-Specific CFAbd-Score. Front Pharmacol 2022; 13:877118. [PMID: 35721187 PMCID: PMC9203829 DOI: 10.3389/fphar.2022.877118] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 04/28/2022] [Indexed: 12/24/2022] Open
Abstract
Background: The novel and highly effective CFTR modulator combination of elexacaftor-tezacaftor-ivacaftor (ETI) has been shown to improve lung function and body weight in people with Cystic Fibrosis (pwCF) carrying a F508del mutation. However, the impact of these modulators on gastrointestinal (GI) symptoms is relatively unknown. Therefore, the CFAbd-Score was developed and validated following FDA recommendations for development of a PROM including focus groups, multidisciplinary CF specialists, people with CF and their families. The aim of this study was to assess effects of ETI on GI symptoms using the CFAbd-Score. Methods: Gastrointestinal symptoms were prospectively assessed in pwCF using the CFAbd-Score before and up to 26 weeks during therapy. The CFAbd-Score was also administered to a healthy control (HC) group. The one-sided questionnaire includes 28 items grouped in five domains. Data analysis included calculation of scores with a weighting tool, developed according to FDA recommendations. Results: A total of 107 pwCF attended in four CF centres in Germany and four centres in the UK completed the CFAbd-Score on at least two occasions. Results were compared to those obtained from the questionnaire of 45 HCs. Despite differences in demographics, age and proportion of pancreatic insufficiency between German and UK patients, analyses based on linear mixed-effects models at week 24 of ETI therapy revealed that estimated marginal means (EMMs) of total CFAbd-Scores significantly reduced (mean ± SE: 14.9 ± 1.2→10.6 ± 1.4; p < 0.01). Also EMMs of all five domains significantly declined ("pain" 16.3 ± 1.6→10.2 ± 2.3, "GERD" 15.8 ± 1.8→8.2 ± 1.9, "disorders of bowel movement" 20.9 ± 1.5→16.0 ± 1.7, "disorders of appetite" 7.9 ± 1.1→2.6 ± 1.1 and "quality of life impairment" 10.1 ± 1.92→3.9 ± 1.9). However, during 24 weeks, CF participants' symptoms mostly still did not reach the reference levels of HCs. Discussion: Using the CFAbd-Score, the first PROM specifically developed for assessment of CF-related abdominal symptoms, we demonstrate comprehensive improvements in GI symptoms after initiation of the highly effective modulator therapy ETI.
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Affiliation(s)
- Jochen G Mainz
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany.,Faculty of Health Sciences Joint Faculty of the Brandenburg University of Technology Cottbus-Senftenberg, The Brandenburg Medical School Theodor Fontane and the University of Potsdam, Potsdam, Germany
| | - Carlos Zagoya
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Louise Polte
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Lutz Naehrlich
- Department of Pediatrics, Justus-Liebig-University Giessen, Giessen, Germany.,Universities of Giessen and Marburg Lung Center (UGMLC), German Center for Lung Research (DZL), Giessen, Germany
| | - Lenny Sasse
- Department of Pediatrics, Justus-Liebig-University Giessen, Giessen, Germany
| | - Olaf Eickmeier
- Christiane Herzog CF-Zentrum Frankfurt am Main, Universitätsklinikum Frankfurt am Main CF-Zentrum, Frankfurt am Main, Germany
| | - Christina Smaczny
- Christiane Herzog CF-Zentrum Frankfurt am Main, Universitätsklinikum Frankfurt am Main CF-Zentrum, Frankfurt am Main, Germany
| | - Anton Barucha
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Lilith Bechinger
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Franziska Duckstein
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany
| | - Ludwik Kurzidim
- Cystic Fibrosis Center, Brandenburg Medical School (MHB) University, Klinikum Westbrandenburg, Brandenburg an der Havel, Germany.,CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
| | - Patience Eschenhagen
- CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
| | - Laura Caley
- Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, United Kingdom
| | - Daniel Peckham
- Leeds Institute of Medical Research at St James's, University of Leeds, Leeds, United Kingdom.,Adult Cystic Fibrosis Unit, St James's University Hospital, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom
| | - Carsten Schwarz
- CF-Zentrum Westbrandenburg, Campus Potsdam, Klinikum Westbrandenburg, Potsdam, Germany
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Mainz J, Zagoya C, Polte L, Naehrlich L, Sasse L, Eickmeier O, Smaczny C, Barucha A, Bechinger L, Duckstein F, Eschenhagen P, Kurzidim L, Caley L, Peckham D, Schwarz C. WS02.01 Abdominal symptoms significantly decline after 24 weeks of elexacaftor/tezacaftor/ivacaftor treatment: first results obtained with the cystic fibrosis-specific CFAbd-Score in Germany and the UK. J Cyst Fibros 2022. [DOI: 10.1016/s1569-1993(22)00159-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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