Heart failure & cardiomyopathiesDiagnostic or prognostic study

Proteomic markers enhance mortality prediction in heart failure

Eur Heart JPublished

  • Prognostic cohort study
  • registry-based
  • external validation in UK Biobank heart failure (HF) subset

Authors' conclusion

A proteomic score was the strongest molecular predictor of mortality in HF. Integrating proteomic signatures with clinical risk factors significantly improved risk prediction.

Study context

Population
Patients with HF in the Global Congestive Heart Failure (G-CHF) registry with genotyping, DNA methylation and proteomic profilingG-CHF registry
Participants
2,432 patients
Comparison
Molecular risk scores added to clinical predictors
Outcome
All-cause mortality
Follow-up
Median 3.0 years

Performance

As reported in the abstract

Deaths (all-cause)
523 (7.64 per 100 PY)
ProteomicDeath23, HR per 1 SD (strongest independent predictor)
2.23
NT-proBNP, HR
2.00
MRSMortality, HR
1.66
PRSmetaCVD, HR
1.10
MAGGIC score, HR
1.70
ProteomicDeath23 + MAGGIC + NT-proBNP model, C-index (highest discrimination)
0.77

Further findings

Incremental discrimination over proteomic-clinical model

Adding MRSMortality, ΔC-index (small improvement)
+0.004, P = .0039
Adding PRSmetaCVD: no incremental benefit

Mortality across ProteomicDeath23 tertiles, low NT-proBNP/MAGGIC score (subgroup)

Mortality rate rose across tertiles (per 100 PY)
1.71 to 8.12

UKB-HF validation cohort

Consistent results

Original publication

Proteomic markers enhance mortality prediction in heart failure. Eur Heart J. Published 8 July 2026. doi:10.1093/eurheartj/ehag525

Summarised from the published abstract; every number is checked against it