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Impact of dapagliflozin on key pathophysiological pathways underlying chronic heart failure progression: the
Verónica Martínez-Pina1, Antoni Bayés Genís2, Julio Nuñez3
1Servicio de Bioquímica Clínica, Hospital Clínico Universitario Virgen de la Arrixaca, Murcia, Spain.
Insights
Dapagliflozin treatment significantly reduced key heart failure biomarkers like NT-proBNP and MR-proADM. The drug favorably modulated various pathophysiological pathways, especially in patients with elevated baseline levels.
Area of Science:
- Cardiology
- Pharmacology
- Biomarker Research
Background:
- Dapagliflozin improves chronic heart failure (HF) outcomes regardless of ejection fraction.
- Its impact on biomarkers reflecting specific HF pathophysiological pathways needs further elucidation.
Purpose of the Study:
- To investigate the effects of dapagliflozin on circulating biomarkers across five key pathophysiological pathways in chronic HF patients.
- To understand the differential modulation of these biomarkers by dapagliflozin.
Main Methods:
- Prospective, single-arm DAPA-MODA biomarker substudy (n=156) in stable chronic HF patients.
- Measurement of 11 biomarkers (cardiac stress, inflammation, neurohormonal activation, congestion, fibrosis) at baseline, 1 month, and 6 months.
- Patients received optimized therapy excluding SGLT2 inhibitors prior to the study.
Main Results:
- Elevated baseline markers for myocardial stress (NT-proBNP, MR-proANP), injury (troponin), inflammation (IL-6, CRP, GDF-15), and neuro-endocrine stress (copeptin).
- Dapagliflozin significantly reduced NT-proBNP and MR-proADM by 6 months.
- Modest reductions observed for MR-proANP, CRP, IL-6, copeptin, and PINP in patients with elevated baseline levels; ST2 and CA-125 unchanged; GDF-15 increased.
Conclusions:
- Dapagliflozin favorably impacts multiple pathophysiological pathways in chronic HF.
- The drug's effects on biomarkers are differential, particularly influencing those elevated at baseline.
Introduction And Objectives:
Dapagliflozin improves clinical outcomes in patients with chronic heart failure (HF), irrespective of left ventricular ejection fraction. However, its effects on circulating biomarkers that reflect distinct pathophysiological pathways remain incompletely understood.
Methods:
DAPA-MODA is a prospective, multicenter, single-arm study that enrolled patients with stable chronic HF receiving optimized guideline-directed medical therapy, excluding sodium-glucose cotransporter-2 inhibitors. In a predefined biomarker substudy (n=156; 63.5% men; age 70.5±10.6 years; 67.9% with left ventricular ejection fraction > 40%), 11 biomarkers representing 5 key biological pathways (cardiac stress, inflammation, neurohormonal activation, congestion, and fibrosis) were measured at baseline, 1 month, and 6 months.
Results:
At baseline, markers of myocardial stress were frequently elevated (NT-proBNP [95.5%] and MR-proANP [34.8%]), as was troponin for myocardial injury (73.5%). Inflammatory (IL-6 [40%], CRP [35%], GDF-15 [56%]) and neuro-endocrine stress (copeptin [43%]) markers were also commonly raised. In contrast, elevations in congestion (MR-proADM, CA-125) and fibrosis markers (ST2, PINP) were less frequent, reflecting diverse pathophysiological involvement. Dapagliflozin led to significant reductions in NT-proBNP and MR-proADM levels by 6 months. Reductions in MR-proANP, CRP, IL-6, copeptin, and PINP were confined to patients with elevated baseline levels. ST2 and CA-125 remained unchanged, while GDF-15 levels increased modestly.
Conclusions:
Dapagliflozin favorably modulates several key pathophysiological pathways involved in chronic HF progression, with differential effects among biomarkers by acting particularly on those that are elevated at baseline.
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