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Reduction in recurrent cardiovascular events with intensive lipid-lowering statin therapy compared with moderate lipid-lowering statin therapy after acute coronary syndromes from the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial.
J Am Coll Cardiol. 2009 Dec 15; 54(25):2358-62.JACC

Abstract

OBJECTIVES

In addition to reducing first events in patients after an acute coronary syndrome (ACS), we hypothesized that high-dose atorvastatin 80 mg would also reduce recurrent cardiovascular events, and therefore total events, compared with pravastatin 40 mg during the 2-year follow-up.

BACKGROUND

In the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial, more intensive lipid lowering with high-dose atorvastatin reduced the first occurrence of the primary end point (death, myocardial infarction, unstable angina requiring rehospitalization, stroke, or revascularization > or = 30 days) compared with moderate lipid lowering with pravastatin.

METHODS

Poisson regression analysis was performed to compare the number of occurrences of the primary end point between high-dose atorvastatin and pravastatin in the PROVE IT-TIMI 22 trial.

RESULTS

As previously reported, first primary end point events were reduced by 16% with atorvastatin 80 mg versus pravastatin 40 mg (n = 464 vs. n = 537, respectively; p = 0.005). Additional events were also reduced by 19% with atorvastatin 80 mg (n = 275 vs. n = 340, respectively; p = 0.009). Overall, there were 138 fewer primary efficacy events with atorvastatin 80 mg versus pravastatin 40 mg (n = 739 vs. n = 877, respectively; rate ratio: 0.85, 95% confidence interval: 0.77 to 0.94, p = 0.001).

CONCLUSIONS

Although analytic techniques commonly used in clinical outcomes trials censor patients who experience a component of the primary composite end point, total cardiovascular events are important to patients, clinicians, and health care payers. Maintaining low levels of low-density lipoprotein cholesterol is central to preventing additional atherosclerotic development and subsequent cardiovascular events. Atorvastatin 80 mg, a more intensive low-density lipoprotein cholesterol lowering agent, reduced both first and subsequent primary end point events compared with pravastatin 40 mg after ACS.

Authors+Show Affiliations

TIMI Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

20082923

Citation

Murphy, Sabina A., et al. "Reduction in Recurrent Cardiovascular Events With Intensive Lipid-lowering Statin Therapy Compared With Moderate Lipid-lowering Statin Therapy After Acute Coronary Syndromes From the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis in Myocardial Infarction 22) Trial." Journal of the American College of Cardiology, vol. 54, no. 25, 2009, pp. 2358-62.
Murphy SA, Cannon CP, Wiviott SD, et al. Reduction in recurrent cardiovascular events with intensive lipid-lowering statin therapy compared with moderate lipid-lowering statin therapy after acute coronary syndromes from the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial. J Am Coll Cardiol. 2009;54(25):2358-62.
Murphy, S. A., Cannon, C. P., Wiviott, S. D., McCabe, C. H., & Braunwald, E. (2009). Reduction in recurrent cardiovascular events with intensive lipid-lowering statin therapy compared with moderate lipid-lowering statin therapy after acute coronary syndromes from the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial. Journal of the American College of Cardiology, 54(25), 2358-62. https://doi.org/10.1016/j.jacc.2009.10.005
Murphy SA, et al. Reduction in Recurrent Cardiovascular Events With Intensive Lipid-lowering Statin Therapy Compared With Moderate Lipid-lowering Statin Therapy After Acute Coronary Syndromes From the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis in Myocardial Infarction 22) Trial. J Am Coll Cardiol. 2009 Dec 15;54(25):2358-62. PubMed PMID: 20082923.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Reduction in recurrent cardiovascular events with intensive lipid-lowering statin therapy compared with moderate lipid-lowering statin therapy after acute coronary syndromes from the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial. AU - Murphy,Sabina A, AU - Cannon,Christopher P, AU - Wiviott,Stephen D, AU - McCabe,Carolyn H, AU - Braunwald,Eugene, PY - 2009/05/07/received PY - 2009/09/30/revised PY - 2009/10/12/accepted PY - 2010/1/20/entrez PY - 2010/1/20/pubmed PY - 2010/3/5/medline SP - 2358 EP - 62 JF - Journal of the American College of Cardiology JO - J Am Coll Cardiol VL - 54 IS - 25 N2 - OBJECTIVES: In addition to reducing first events in patients after an acute coronary syndrome (ACS), we hypothesized that high-dose atorvastatin 80 mg would also reduce recurrent cardiovascular events, and therefore total events, compared with pravastatin 40 mg during the 2-year follow-up. BACKGROUND: In the PROVE IT-TIMI 22 (Pravastatin or Atorvastatin Evaluation and Infection Therapy-Thrombolysis In Myocardial Infarction 22) trial, more intensive lipid lowering with high-dose atorvastatin reduced the first occurrence of the primary end point (death, myocardial infarction, unstable angina requiring rehospitalization, stroke, or revascularization > or = 30 days) compared with moderate lipid lowering with pravastatin. METHODS: Poisson regression analysis was performed to compare the number of occurrences of the primary end point between high-dose atorvastatin and pravastatin in the PROVE IT-TIMI 22 trial. RESULTS: As previously reported, first primary end point events were reduced by 16% with atorvastatin 80 mg versus pravastatin 40 mg (n = 464 vs. n = 537, respectively; p = 0.005). Additional events were also reduced by 19% with atorvastatin 80 mg (n = 275 vs. n = 340, respectively; p = 0.009). Overall, there were 138 fewer primary efficacy events with atorvastatin 80 mg versus pravastatin 40 mg (n = 739 vs. n = 877, respectively; rate ratio: 0.85, 95% confidence interval: 0.77 to 0.94, p = 0.001). CONCLUSIONS: Although analytic techniques commonly used in clinical outcomes trials censor patients who experience a component of the primary composite end point, total cardiovascular events are important to patients, clinicians, and health care payers. Maintaining low levels of low-density lipoprotein cholesterol is central to preventing additional atherosclerotic development and subsequent cardiovascular events. Atorvastatin 80 mg, a more intensive low-density lipoprotein cholesterol lowering agent, reduced both first and subsequent primary end point events compared with pravastatin 40 mg after ACS. SN - 1558-3597 UR - https://www.unboundmedicine.com/medline/citation/20082923/Reduction_in_recurrent_cardiovascular_events_with_intensive_lipid_lowering_statin_therapy_compared_with_moderate_lipid_lowering_statin_therapy_after_acute_coronary_syndromes_from_the_PROVE_IT_TIMI_22__Pravastatin_or_Atorvastatin_Evaluation_and_Infection_Therapy_Thrombolysis_In_Myocardial_Infarction_22__trial_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0735-1097(09)03325-7 DB - PRIME DP - Unbound Medicine ER -