Prevention & lipidsCohort study

Genetic modelling of triglyceride-rich lipoprotein/remnant lowering mimics APOC3 silencing and predicts clinically relevant coronary heart disease event reductions

Eur J Prev CardiolPublished

  • Genetic modelling study (polygenic score-based cohort analysis)
  • UK Biobank

Authors' conclusion

Based on our genetic modelling, the degree of TRL/remnant lowering seen on APOC3 silencing would produce a meaningful CHD risk reduction of around 25 % over a 5-year outcomes trial.

Study context

Population
UK Biobank individuals selected by a TRL/remnant-specific polygenic score (PGS)each group >4,150
Exposure
Low vs high TRL/remnant-specific PGS
Outcome
CHD event rates
Follow-up
Lifetime

Main finding

Lifetime CHD event rate

Hazard ratio

0.72

95% CI 0.56–0.91

Low PGS vs High PGS
HR 0.72 (95% CI 0.56–0.91)

As reported in the abstract

Observational data: associations, not effects.

Further findings

Lipid differences, low vs high PGS

Plasma TG
−34%
TRL/remnant cholesterol
−22.5%
Non-HDL cholesterol
−7.5%
Apolipoprotein B
−6.0%
LDL cholesterol
−3.9%
HDL cholesterol increase
15.3%
  • similar to APOC3 silencing agents, about a third of the absolute effect size

Predicted coronary heart disease (CHD) risk reduction, 5-year trial extrapolation

APOC3 silencing agent with 16-23 mg/dL TRL/remnant cholesterol decrease: predicted CHD risk reduction
approximately 25%

Original publication

Genetic modelling of triglyceride-rich lipoprotein/remnant lowering mimics APOC3 silencing and predicts clinically relevant coronary heart disease event reductions. Eur J Prev Cardiol. Published 14 October 2025. doi:10.1093/eurjpc/zwaf657

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