Comparison of cardiac magnetic resonance imaging, functional and haemodynamic variables in pulmonary arterial hypertension : insights from REPAIR
Copyright ©The authors 2024..
Background: Measures that can detect large treatment effects are important for monitoring therapeutic effectiveness. The 2022 European Society of Cardiology/European Respiratory Society guidelines highlight the importance of imaging in monitoring disease status and treatment response in pulmonary arterial hypertension (PAH). Are the standardised treatment effect sizes (STES) of cardiac magnetic resonance imaging (cMRI) comparable with functional and haemodynamic variables?.
Methods: REPAIR (ClinicalTrials.gov: NCT02310672) was a prospective, multicentre, single-arm, open-label, 52-week phase 4 study evaluating the effect of macitentan 10 mg, with or without a phosphodiesterase 5 inhibitor (PDE5i), on right ventricular (RV) remodelling, cardiac function and cardiopulmonary haemodynamics. Both cMRI and functional assessments were performed at screening and at weeks 26 and 52; haemodynamic measurements were conducted at screening and week 26. In this post hoc analysis, STES were estimated using the parametric Cohen's d and non-parametric Cliff's delta tests.
Results: At week 26, large STES (Cohen's d) were observed for 10 of the 20 cMRI variables assessed, including the prognostic measures of RV and left ventricular stroke volume and RV ejection fraction and the haemodynamic trial end-point, pulmonary vascular resistance; medium STES were observed for 6-min walk distance (6MWD). The STES were consistent in treatment-naïve patients and those escalating therapy and maintained at week 52. Similar results were obtained using the non-parametric Cliff's delta method.
Conclusions: The treatment effect of macitentan, alone or in combination with a PDE5i, was comparable for several cMRI and haemodynamic variables with prognostic value in PAH, and greater than that of 6MWD in patients with PAH, highlighting the emerging relevance of cMRI in PAH.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
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| Enthalten in: |
ERJ open research - 10(2024), 1 vom: 24. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Kiely, David G [VerfasserIn] |
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Date Revised 14.02.2024 published: Electronic-eCollection ClinicalTrials.gov: NCT02310672 Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1183/23120541.00547-2023 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM368383733 |
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| 100 | 1 | |a Kiely, David G |e verfasserin |4 aut | |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright ©The authors 2024. | ||
| 520 | |a Background: Measures that can detect large treatment effects are important for monitoring therapeutic effectiveness. The 2022 European Society of Cardiology/European Respiratory Society guidelines highlight the importance of imaging in monitoring disease status and treatment response in pulmonary arterial hypertension (PAH). Are the standardised treatment effect sizes (STES) of cardiac magnetic resonance imaging (cMRI) comparable with functional and haemodynamic variables? | ||
| 520 | |a Methods: REPAIR (ClinicalTrials.gov: NCT02310672) was a prospective, multicentre, single-arm, open-label, 52-week phase 4 study evaluating the effect of macitentan 10 mg, with or without a phosphodiesterase 5 inhibitor (PDE5i), on right ventricular (RV) remodelling, cardiac function and cardiopulmonary haemodynamics. Both cMRI and functional assessments were performed at screening and at weeks 26 and 52; haemodynamic measurements were conducted at screening and week 26. In this post hoc analysis, STES were estimated using the parametric Cohen's d and non-parametric Cliff's delta tests | ||
| 520 | |a Results: At week 26, large STES (Cohen's d) were observed for 10 of the 20 cMRI variables assessed, including the prognostic measures of RV and left ventricular stroke volume and RV ejection fraction and the haemodynamic trial end-point, pulmonary vascular resistance; medium STES were observed for 6-min walk distance (6MWD). The STES were consistent in treatment-naïve patients and those escalating therapy and maintained at week 52. Similar results were obtained using the non-parametric Cliff's delta method | ||
| 520 | |a Conclusions: The treatment effect of macitentan, alone or in combination with a PDE5i, was comparable for several cMRI and haemodynamic variables with prognostic value in PAH, and greater than that of 6MWD in patients with PAH, highlighting the emerging relevance of cMRI in PAH | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Flores, Dayana |e verfasserin |4 aut | |
| 700 | 1 | |a Galiè, Nazzareno |e verfasserin |4 aut | |
| 700 | 1 | |a MacDonald, Gwen |e verfasserin |4 aut | |
| 700 | 1 | |a Marcus, J Tim |e verfasserin |4 aut | |
| 700 | 1 | |a Mitchell, Lada |e verfasserin |4 aut | |
| 700 | 1 | |a Peacock, Andrew |e verfasserin |4 aut | |
| 700 | 1 | |a Rosenkranz, Stephan |e verfasserin |4 aut | |
| 700 | 1 | |a Tawakol, Ahmed |e verfasserin |4 aut | |
| 700 | 1 | |a Torbicki, Adam |e verfasserin |4 aut | |
| 700 | 1 | |a Vonk Noordegraaf, Anton |e verfasserin |4 aut | |
| 700 | 1 | |a Swift, Andrew J |e verfasserin |4 aut | |
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