Heart failure & cardiomyopathiesRandomised controlled trial

Polypill for heart failure with reduced ejection fraction: the POLY-HF randomized trial

Nat MedPublished

  • Randomised controlled trial
  • open-label
  • two centres

Authors' conclusion

A polypill for heart failure was associated with a significant improvement in cardiac function as compared with enhanced usual care.

Study context

Population
Adults with HF and LVEF ≤40%, predominantly underserved population187 (88%) in mITT analysis
Participants
212 adults
Comparison
Polypill vs enhanced usual care
Primary endpoint
Ejection fraction as assessed by cardiac magnetic resonance imaging
Follow-up
6 months

Primary result

EF improvement

Between-group difference

3.3 percentage points

95% CI 0.2–6.4

P = 0.039

Polypill vs Enhanced usual care
between-group difference 3.3 percentage points (95% CI 0.2–6.4); P = 0.039

As reported in the abstract

Secondary outcomes

Outcomeadjusted rate ratio (95% CI)P value
HF hospitalizations or ED visits · 60% lower rate0.40 (0.18–0.88)P = 0.024

Adherence (blood concentrations of metoprolol and spironolactone)

P = 0.001

Safety

Adverse events

Polypill well tolerated, fewer adverse events than enhanced usual care

Original publication

Polypill for heart failure with reduced ejection fraction: the POLY-HF randomized trial. Nat Med. Published 2 July 2026. doi:10.1038/s41591-026-04504-5

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