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JAMA. 2013 Oct 23;310(16):1692-700. doi: 10.1001/jama.2013.280031.

Effect of statin therapy on mortality in patients with ventilator-associated pneumonia: a randomized clinical trial.

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  • 1Assistance Publique-Hôpitaux de Marseille, Hôpital Nord, Réanimation des Détresses Respiratoires et des Infections Sévères UMR-CNRS 7278, Aix-Marseile Université, Marseille, France.

Abstract

IMPORTANCE:

Observational studies have reported that statin use may be associated with improved outcomes of various infections. Ventilator-associated pneumonia (VAP) is the most common infection in the intensive care unit (ICU) and is associated with substantial mortality.

OBJECTIVE:

To determine whether statin therapy can decrease day-28 mortality in patients with VAP.

DESIGN, SETTING, AND PARTICIPANTS:

Randomized, placebo-controlled, double-blind, parallel-group, multicenter trial performed in 26 intensive care units in France from January 2010 to March 2013. For power to detect an 8% absolute reduction in the day-28 mortality rate, we planned to enroll 1002 patients requiring invasive mechanical ventilation for more than 2 days and having suspected VAP, defined as a modified Clinical Pulmonary Infection Score of 5 or greater. The futility stopping rules were an absolute increase in day-28 mortality of at least 2.7% with simvastatin compared with placebo after enrollment of the first 251 patients.

INTERVENTIONS:

Participants were randomized to receive simvastatin (60 mg) or placebo, started on the same day as antibiotic therapy and given until ICU discharge, death, or day 28, whichever occurred first.

MAIN OUTCOMES AND MEASURES:

Primary outcome was day-28 mortality. Day-14, ICU, and hospital mortality rates were determined, as well as duration of mechanical ventilation and Sequential Organ Failure Assessment (SOFA) scores on days 3, 7, and 14.

RESULTS:

The study was stopped for futility at the first scheduled interim analysis after enrollment of 300 patients, of whom all but 7% in the simvastatin group and 11% in the placebo group were naive to statin therapy at ICU admission. Day-28 mortality was not lower in the simvastatin group (21.2% [95% CI, 15.4% to 28.6%) than in the placebo group (15.2% [95% CI, 10.2% to 22.1%]; P = .10; hazard ratio, 1.45 [95% CI, 0.83 to 2.51]); the between-group difference was 6.0% (95% CI, -3.0% to 14.9%). In statin-naive patients, day-28 mortality was 21.5% (95% CI, 15.4% to 29.1%) with simvastatin and 13.8% (95% CI, 8.8% to 21.0%) with placebo (P = .054) (between-group difference, 7.7% [95%CI, -1.8% to 16.8%). There were no significant differences regarding day-14, ICU, or hospital mortality rates; duration of mechanical ventilation; or changes in SOFA score.

CONCLUSIONS AND RELEVANCE:

In adults with suspected VAP, adjunctive simvastatin therapy compared with placebo did not improve day-28 survival. These findings do not support the use of statins with the goal of improving VAP outcomes.

TRIAL REGISTRATION:

clinicaltrials.gov Identifier: NCT01057758.

PMID:
24108510
[PubMed - indexed for MEDLINE]
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