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Association of proton pump inhibitor use on cardiovascular outcomes with clopidogrel and ticagrelor: insights from the platelet inhibition and patient outcomes trial.

Abstract：

BACKGROUND:The clinical significance of the interaction between clopidogrel and proton pump inhibitors (PPIs) remains unclear. METHODS AND RESULTS:We examined the relationship between PPI use and 1-year cardiovascular events (cardiovascular death, myocardial infarction, or stroke) in patients with acute coronary syndrome randomized to clopidogrel or ticagrelor in a prespecified, nonrandomized subgroup analysis of the Platelet Inhibition and Patient Outcomes (PLATO) trial. The primary end point rates were higher for individuals on a PPI (n=6539) compared with those not on a PPI (n=12 060) at randomization in both the clopidogrel (13.0% versus 10.9%; adjusted hazard ratio [HR], 1.20; 95% confidence interval [CI], 1.04-1.38) and ticagrelor (11.0% versus 9.2%; HR, 1.24; 95% CI, 1.07-1.45) groups. Patients on non-PPI gastrointestinal drugs had similar primary end point rates compared with those on a PPI (PPI versus non-PPI gastrointestinal treatment: clopidogrel, HR, 0.98; 95% CI, 0.79-1.23; ticagrelor, HR, 0.89; 95% CI, 0.73-1.10). In contrast, patients on no gastric therapy had a significantly lower primary end point rate (PPI versus no gastrointestinal treatment: clopidogrel, HR, 1.29; 95% CI, 1.12-1.49; ticagrelor, HR, 1.30; 95% CI, 1.14-1.49). CONCLUSIONS:The use of a PPI was independently associated with a higher rate of cardiovascular events in patients with acute coronary syndrome receiving clopidogrel. However, a similar association was observed between cardiovascular events and PPI use during ticagrelor treatment and with other non-PPI gastrointestinal treatment. Therefore, in the PLATO trial, the association between PPI use and adverse events may be due to confounding, with PPI use more of a marker for, than a cause of, higher rates of cardiovascular events. CLINICAL TRIAL REGISTRATION:http://www.clinicaltrials.gov. Unique identifier: NCT00391872.

journal_name

Circulation

journal_title

Circulation

authors

Goodman SG,Clare R,Pieper KS,Nicolau JC,Storey RF,Cantor WJ,Mahaffey KW,Angiolillo DJ,Husted S,Cannon CP,James SK,Kilhamn J,Steg PG,Harrington RA,Wallentin L,Platelet Inhibition and Patient Outcomes Trial Investigators.

doi

10.1161/CIRCULATIONAHA.111.032912

subject

Has Abstract

pub_date

2012-02-28 00:00:00

pages

978-86

issue

eissn

0009-7322

issn

1524-4539

pii

CIRCULATIONAHA.111.032912

journal_volume

125

pub_type

杂志文章,多中心研究,随机对照试验

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Association of proton pump inhibitor use on cardiovascular outcomes with clopidogrel and ticagrelor: insights from the platelet inhibition and patient outcomes trial.