Effects of Antibiotic Therapy on Outcomes of Patients With Coronary Artery Disease: A Meta-analysis of Randomized Controlled Trials
Abstract
CONTEXT: Although Chlamydia pneumoniae infection has been associated with the initiation and progression of atherosclerosis, results of clinical trials investigating antichlamydial antibiotics as adjuncts to standard therapy in patients with coronary artery disease (CAD) have been inconsistent. OBJECTIVE: To conduct a meta-analysis of clinical trials of antichlamydial antibiotic therapy in patients with CAD. DATA SOURCES: The MEDLINE and Cochrane Central Register of Controlled Trials databases were searched from 1966 to April 2005 for English-language trials of antibiotic therapy in patients with CAD. Bibliographies of retrieved articles were searched for further studies. Presentations at major scientific meetings (2003-2004) were also reviewed. Search terms included antibacterial agents, myocardial infarction, unstable angina, and coronary arteriosclerosis. STUDY SELECTION: Eligible studies were prospective, randomized, placebo-controlled trials of antichlamydial antibiotic therapy in patients with CAD that reported all-cause mortality, myocardial infarction, or unstable angina. Of the 110 potentially relevant articles identified, 11 reports enrolling 19,217 patients were included. DATA EXTRACTION: Included studies were reviewed to determine the number of patients randomized, mean duration of follow-up, and end points. End points of interest included all-cause mortality, myocardial infarction (MI), and a combined end point of MI and unstable angina. DATA SYNTHESIS: Event rates were combined using a random-effects model. Antibiotic therapy had no impact on all-cause mortality among treated vs untreated patients (4.7% vs 4.6%; odds ratio [OR], 1.02; 95% confidence interval [CI], 0.89-1.16; P = .83), on the rates of MI (5.0% vs 5.4%; OR, 0.92; 95% CI, 0.81-1.04; P = .19), or on the combined end point of MI and unstable angina (9.2% vs 9.6%; OR, 0.91; 95% CI, 0.76-1.07; P = .25). CONCLUSION: Evidence available to date does not demonstrate an overall benefit of antibiotic therapy in reducing mortality or cardiovascular events in patients with CAD.
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Germ-free atherogenic mice lacking apolipoprotein E show a worsening of atherosclerotic lesions after being fed a high-cholesterol diet compared with conventionally raised mice.
“the germ-free atherogenic mice lacking apolipoprotein E (Apoe -/ ) mice, which are without the colonization of gut microbiota, show a worsening of atherosclerotic lesions after being fed a high-cholesterol diet compared with the conventionally raised mice”
From <i>Akkermansia Muciniphila</i> Protects Against Atherosclerosis by Preventing Metabolic Endotoxemia-Induced Inflammation in <i>Apoe</i> <sup>−/−</sup> Mice (2016) · cites this paper as [16]
Antibiotic therapy fails to elicit any beneficial effect on cardiovascular events in human trials.
“antibiotic therapy fails to elicit any beneficial effect on cardiovascular events in human trials.[14][15][16]”
From <i>Akkermansia Muciniphila</i> Protects Against Atherosclerosis by Preventing Metabolic Endotoxemia-Induced Inflammation in <i>Apoe</i> <sup>−/−</sup> Mice (2016) · cites this paper as [16]
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- Authors
- Andraws, R., Berger, J. S., & Brown, D. L.
- Affiliations
- Mount Sinai Beth Israel (US)
- Venue
- JAMA
- Publisher
- American Medical Association (AMA)
- Published
- 2005-06-01
- Volume
- 293
- Issue
- 21
- Pages
- 2641
- ISSN
- 0002-9955 (ISSN-L)
- 0098-7484
- OpenAlex
- W1966041159
- Cited by
- 235
- References
- 43
- Citations by year
- 2026: 3 · 2025: 9 · 2024: 3 · 2023: 8 · 2022: 7 · 2021: 7 · 2020: 11 · 2019: 5 · 2018: 9 · 2017: 13 · 2016: 10 · 2015: 15 · 2014: 18 · 2013: 13 · 2012: 19
- FWCI
- 6.79
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- JAMA (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
- Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
- Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Health and Mental Health
- Keywords
- coronary artery disease, Chlamydia pneumoniae, antibiotic therapy, myocardial infarction, unstable angina, all-cause mortality, cardiovascular events, atherosclerosis
- MeSH terms
- Angina, Unstable, Anti-Bacterial Agents, Coronary Artery Disease, Humans, Myocardial Infarction, Survival Analysis, Randomized Controlled Trials as Topic, Chlamydophila pneumoniae, Chlamydophila Infections
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