Spironolactone effect on circulating procollagen type I carboxy-terminal propeptide: Pooled analysis of three randomized trials - Université de Lorraine Access content directly
Journal Articles International Journal of Cardiology Year : 2023

Spironolactone effect on circulating procollagen type I carboxy-terminal propeptide: Pooled analysis of three randomized trials

Franco Cosmi
  • Function : Author

Abstract

Background: Spironolactone might improve the prognosis of patients with heart failure with preserved left ventricular ejection fraction (HFpEF), but the mechanisms by which it acts are uncertain. Serum concentrations of procollagen type I carboxy-terminal propeptide (PICP) reflect the synthesis of type I collagen and correlate well with histologically proven cardiac fibrosis. Aims: To investigate the effect of spironolactone on serum PICP concentration in patients with stage B and C HFpEF across three trials (HOMAGE, ALDO-DHF, and TOPCAT) for which measurements of serum PICP were available. Methods: Random-effects meta-analysis. Results: A total of 1038 patients with PICP measurements available both at baseline and 9-12 months were included in this analysis: 488 (47.0%) from HOMAGE, 386 (37.2%) from ALDO-DHF, and 164 (15.8%) from TOPCAT. The median (percentile25-75) serum PICP was 98 (76-128) ng/mL. Compared to placebo or usual care, administration of spironolactone for 9 to 12 months reduced serum PICP by -7.4 ng/mL, 95%CI -13.9 to -0.9, P-value =0.02. The effect was moderately heterogeneous (I2 = 64%) with the most pronounced effect seen in TOPCAT where PICP was reduced by -27.0 ng/mL, followed by HOMAGE where PICP was reduced by -8.1 ng/mL, and was least marked in ALDO-DHF where PICP changed by -2.9 ng/mL. The association between spironolactone and serum PICP was not mediated substantially by blood pressure. Conclusions: Spironolactone reduced serum concentrations of PICP in patients with HFpEF with different severity and stages of disease. These findings are consistent with spironolactone having an anti-fibrotic effect.
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Dates and versions

hal-03978425 , version 1 (08-02-2023)

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João Pedro Ferreira, John G Cleland, Nicolas Girerd, Patrick Rossignol, Pierpaolo Pellicori, et al.. Spironolactone effect on circulating procollagen type I carboxy-terminal propeptide: Pooled analysis of three randomized trials. International Journal of Cardiology, 2023, 377, pp.86-88. ⟨10.1016/j.ijcard.2023.01.088⟩. ⟨hal-03978425⟩
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