Cited by 610Lipoproteins and Cardiovascular HealthAcute Myocardial Infarction ResearchAntiplatelet Therapy and Cardiovascular Diseases

Impact of triglyceride levels beyond low-density lipoprotein cholesterol after acute coronary syndrome in the PROVE IT-TIMI 22 trial

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Miller, Michael, Cannon, Christopher P., Murphy, Sabina A., Qin, Jie, Ray, Kausik K., Braunwald, Eugene·2008·Journal of the American College of Cardiology

Abstract

Objectives The purpose of this study was to assess the impact of on-treatment triglycerides (TG) on coronary heart disease (CHD) risk after an acute coronary syndrome (ACS).Background The PROVE IT-TIMI (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction) 22 trial demonstrated that low-density lipoprotein cholesterol (LDL-C) <70 mg/dl was associated with greater CHD event reduction than LDL-C <100 mg/dl after ACS. However, the impact of low on-treatment TG on CHD risk beyond LDL-C <70 mg/dl has not been explored.Methods The PROVE IT-TIMI 22 trial evaluated 4,162 patients hospitalized for ACS and randomized to atorvastatin 80 mg or pravastatin 40 mg daily. The relationship between on-treatment levels of TG and LDL-C and the composite end point of death, myocardial infarction (MI), and recurrent ACS were assessed 30 days after initial presentation.Results Low on-treatment TG (<150 mg/dl) was associated with reduced CHD risk compared with higher TG in univariate analysis (hazard ratio [HR] 0.73, 95% confidence interval [CI] 0.62 to 0.87; p < 0.001) and in adjusted analysis (HR 0.80, 95% CI 0.66 to 0.97; p = 0.025). For each 10-mg/dl decrement in on-treatment TG, the incidence of death, MI, and recurrent ACS was lower by 1.6% or 1.4% after adjustment for LDL-C or non-high-density lipoprotein cholesterol and other covariates (p < 0.001 and p = 0.01, respectively). Lower CHD risk was also observed with TG <150 mg/dl and LDL-C <70 mg/dl (HR 0.72, 95% CI 0.54 to 0.94; p = 0.017) or low on-treatment TG, LDL-C, and C-reactive protein (<2 mg/l) (HR 0.59, 95% CI 0.41 to 0.83; p = 0.002) compared with higher levels of each variable in adjusted analysis.Conclusions On-treatment TG <150 mg/dl was independently associated with a lower risk of recurrent CHD events, lending support to the concept that achieving low TG may be an additional consideration beyond low LDL-C in patients after ACS.

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Crossref · 10.1016/j.jacc.2007.10.038

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  • In PROVE IT-TIMI 22, patients with higher triglyceride levels at baseline still derived substantial event reduction with intensive statin therapy.

    “Moreover, in the PROVE IT–TIMI 22 trial, patients with higher triglyceride levels at baseline still derived substantial event reduction with intensive statin therapy [84].”

    From Targeting Triglycerides in Cardiovascular Disease Prevention: Evidence, Mechanisms, and Emerging Therapies (2026) · cites this paper as [84]

    The Study population and protocol section (page unavailable) confirms that PROVE IT–TIMI 22 compared intensive atorvastatin with standard pravastatin. The Discussion and Effect of lowering TG levels on the composite end point sections (pages unavailable) associate lower on-treatment triglycerides with fewer events, but do not show that patients with higher triglycerides at baseline specifically derived substantial event reduction from intensive versus standard statin therapy. (LLM, conf=0.85)

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  • Statins remain first-line therapy for patients with hypertriglyceridemia, having demonstrated consistent reductions in ASCVD events across a wide range of populations, including those with elevated triglycerides.

    “Statins remain the first-line therapy for patients with hypertriglyceridemia, having demonstrated consistent reductions in ASCVD events across a wide range of populations, including those with elevated triglycerides.”

    From Targeting Triglycerides in Cardiovascular Disease Prevention: Evidence, Mechanisms, and Emerging Therapies (2026) · cites this paper as [84]

    The Conclusions (p. not available in our copy) report that, among statin-treated patients after acute coronary syndrome, lower on-treatment triglycerides were associated with fewer recurrent coronary events. The study population and protocol describe a comparison of intensive and standard statin therapy in that specific population. These passages do not establish that statins are first-line therapy for hypertriglyceridemia or that they consistently reduce ASCVD events across a wide range of populations, including people with elevated triglycerides. (LLM, conf=0.85)

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  • Observational cohorts demonstrate that higher TG and remnant cholesterol predict cardiovascular events independently of LDL-C.

    “Observational cohorts demonstrate that higher TG and remnant cholesterol predict cardiovascular events independently of LDL-C, while Mendelian randomization analyses confirm a causal relationship between lifelong TRL elevation and ASCVD.”

    From Targeting triglycerides for cardiovascular risk reduction (2026) · cites this paper as [34]

    The Discussion reports prospective studies linking higher TG to CHD risk and finds that on-treatment TG predicts recurrent events independently of LDL-C in patients after acute coronary syndrome. It discusses cholesterol-enriched remnants as a possible mechanism, but does not show that remnant cholesterol independently predicts cardiovascular events. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • In the PROVE IT-TIMI 22 trial, LDL-C <70 mg/dL was associated with greater coronary heart disease event reduction compared with LDL-C <100 mg/dL after acute coronary syndrome.

    “In the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial, LDL-C <70 mg/dL was associated with greater coronary heart disease event reduction compared with LDL-C <100 mg/dL after acute coronary syndrome (5).”

    From 2021 ACC Expert Consensus Decision Pathway on the Management of ASCVD Risk Reduction in Patients With Persistent Hypertriglyceridemia (2021) · cites this paper as [5]

    The Discussion and Abstract report lower CHD risk after acute coronary syndrome when LDL-C <70 mg/dL was achieved together with low triglycerides. The paper does not report the claimed comparison with LDL-C <100 mg/dL; its analyses use a 70 mg/dL LDL-C cut-point, while the 100 mg/dL cut-points concern triglycerides or non-HDL-C. Page numbers were not available in our copy. (LLM, conf=0.86)

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  • The association between triglycerides and cardiovascular risk is well established from epidemiological studies, genome-wide analyses, and Mendelian randomization studies.

    “The association between triglycerides and cardiovascular (CV) risk is well established from epidemiological studies,1-5 genome-wide analyses,6-8 and Mendelian randomization studies.9,10”

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Research works printed but not linked: 2

  1. [18]18. Assmann G. Pro and con: high-density lipoprotein, triglycerides, and other lipid subfractions are the future of lipid management. Am J Cardiol 2001;87:2B-7B.
  2. [35]35. Parhofer KG, Barrett PH, Schwandt P. Atorvastatin improves post- prandial lipoprotein metabolism in normolipidemlic subjects. J Clin Endocrinol Metab 2000;85:4224 -30.

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Authors
Miller, M., Cannon, C. P., Murphy, S. A., Qin, J., Ray, K. K., & Braunwald, E.
Affiliations
  • University of Maryland Medical Center (US)
  • Brigham and Women's Hospital (US)
  • University of Cambridge (GB)
Corresponding author
Miller, Michael
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
2008-02
Volume
51
Issue
7
Pages
724-730
ISSN
0735-1097 (ISSN-L)
OpenAlex
W2006551863
Cited by
610
References
50
Citations by year
2026: 11 · 2025: 20 · 2024: 28 · 2023: 30 · 2022: 31 · 2021: 39 · 2020: 40 · 2019: 43 · 2018: 30 · 2017: 25 · 2016: 40 · 2015: 29 · 2014: 33 · 2013: 32 · 2012: 30
FWCI
52.34
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs
  • Bristol-Myers Squibb
  • Pfizer
  • AstraZeneca
  • GlaxoSmithKline
  • Sanofi
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL061369, HL61369)
Topics
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Acute Myocardial Infarction Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Antiplatelet Therapy and Cardiovascular Diseases
Keywords
triglycerides, acute coronary syndrome, LDL cholesterol, atorvastatin, pravastatin, coronary heart disease risk, non-HDL cholesterol, C-reactive protein, PROVE IT-TIMI 22, statin therapy, reinfarction, mortality, lipid-lowering therapy, triglyceride-lowering therapy, secondary prevention, dyslipidemia
MeSH terms
Atorvastatin, Anticholesteremic Agents, Coronary Disease, Female, Heptanoic Acids, Humans, Cholesterol, LDL, Male, Middle Aged, Myocardial Infarction, Pyrroles, Recurrence, Triglycerides, Proportional Hazards Models, Pravastatin, Risk Assessment, Acute Coronary Syndrome

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