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Cardiovascular outcome trial · Lancet 2007

JELIS trial

Effects of eicosapentaenoic acid on major coronary events in hypercholesterolaemic patients (JELIS): a randomised open-label, blinded endpoint analysis.

The bottom line

Adding EPA to statin therapy modestly reduced major coronary events, mainly non-fatal events, in hypercholesterolaemic Japanese patients, without a significant effect on sudden cardiac or coronary death.

BenefitUS status: Not US-approved (Japan)

At a glance

Medicine
1800 mg of EPA daily with statin (EPA group; n=9326)
Compared with
statin only (controls; n=9319)
People
18,645
Who took part
Japanese patients with total cholesterol of 6.5 mmol/L or greater (hypercholesterolaemic), recruited 1996-1999
Design
randomised open-label, blinded endpoint analysis
Follow-up
mean follow-up of 4.6 years (5-year follow-up planned)
Main question
Any major coronary event, including sudden cardiac death, fatal and non-fatal myocardial infarction, and other non-fatal events including unstable angina pectoris, angioplasty, stenting, or coronary artery bypass grafting

Main result

262 (2.8%) patients in the EPA group and 324 (3.5%) in controls-a 19% relative reduction in major coronary events (p=0.011)

Effect on LDL cholesterol

Post-treatment LDL cholesterol concentrations decreased 25%, from 4.7 mmol/L in both groups

Other results

Sudden cardiac death and coronary death did not differ between groups; unstable angina and non-fatal coronary events were significantly reduced in the EPA group; secondary prevention subgroup: 158 [8.7%] EPA vs 197 [10.7%] control, p=0.048; primary prevention subgroup: 104 [1.4%] EPA vs 127 [1.7%] control, p=0.132

Safety

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In the trial's own words

“At mean follow-up of 4.6 years, we detected the primary endpoint in 262 (2.8%) patients in the EPA group and 324 (3.5%) in controls-a 19% relative reduction in major coronary events (p=0.011).”

Quoted from the abstract of Lancet 2007, checked word for word against PubMed. PubMed 17398308 · Full paper (DOI)

Common questions

What did the JELIS trial find?

Adding EPA to statin therapy modestly reduced major coronary events, mainly non-fatal events, in hypercholesterolaemic Japanese patients, without a significant effect on sudden cardiac or coronary death.

Who was in JELIS?

18,645 people. Japanese patients with total cholesterol of 6.5 mmol/L or greater (hypercholesterolaemic), recruited 1996-1999.

What was JELIS's main result?

262 (2.8%) patients in the EPA group and 324 (3.5%) in controls-a 19% relative reduction in major coronary events (p=0.011)

How much did LDL cholesterol change in JELIS?

Post-treatment LDL cholesterol concentrations decreased 25%, from 4.7 mmol/L in both groups

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