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Updated: Jun 21, 2026

On-Chip Endothelial Inflammatory Phenotyping
Published on: July 21, 2012
Testing the inflammatory hypothesis of atherothrombosis: scientific rationale for the cardiovascular inflammation
1Center for Cardiovascular Disease Prevention, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02215, USA. pridker@partners.org
Insights
The Cardiovascular Inflammation Reduction Trial (CIRT) investigates if low-dose methotrexate can prevent vascular events in patients with high-sensitivity C-reactive protein (hsCRP). This study tests if reducing inflammation directly impacts cardiovascular outcomes.
Area of Science:
- Cardiovascular Medicine
- Inflammation Research
- Clinical Trials
Background:
- Inflammation is a key factor in atherothrombosis, with elevated high-sensitivity C-reactive protein (hsCRP) indicating increased vascular risk.
- Previous trials like JUPITER showed statins reduce cardiovascular events in individuals with low cholesterol and high hsCRP.
- A direct test of the inflammatory hypothesis requires an anti-inflammatory agent without confounding effects on atherothrombosis.
Purpose of the Study:
- To directly test the inflammatory hypothesis of atherothrombosis.
- To determine if very-low-dose-methotrexate (VLDM) reduces vascular event rates in patients with stable coronary artery disease and elevated hsCRP.
- To evaluate VLDM as a novel therapeutic approach for cardiovascular disease prevention.
Main Methods:
- The Cardiovascular Inflammation Reduction Trial (CIRT) is a large-scale clinical trial.
- It involves 7000 patients with stable coronary artery disease and persistently elevated hsCRP.
- Participants are randomized to receive either placebo or very-low-dose-methotrexate (10 mg weekly).
Main Results:
- This section is not applicable as the abstract describes a proposed trial and not its results.
- The abstract does not contain specific findings or data from the CIRT trial.
- The JUPITER trial is mentioned as a related study, showing statin benefits.
Conclusions:
- The CIRT trial aims to confirm the inflammatory hypothesis of atherothrombosis.
- If successful, the trial could establish VLDM as a treatment for cardiovascular disorders.
- This research may open new avenues for preventing and treating cardiovascular diseases by targeting inflammation.
Abstract:
While inflammation is a crucial component of atherothrombosis and patients with elevated inflammatory biomarkers such as high sensitivity C-reactive protein (hsCRP) are at increased vascular risk, it remains unknown whether inhibition of inflammation per se will lower vascular event rates. The recently completed JUPITER (N Engl J Med 2008, 359, 2195) trial demonstrates that statins reduce myocardial infarction, stroke, and all-cause mortality among healthy individuals with low cholesterol and elevated hsCRP. However, a direct test of the inflammatory hypothesis of atherothrombosis requires an agent that inhibits inflammation without impacting other components of the atherothrombotic process, and has an acceptable safety profile for a trial setting. On this basis, the cardiovascular inflammation reduction trial (CIRT) proposes to allocate 7000 stable coronary artery disease patients with persistent elevations of hsCRP to placebo or very-low-dose-methotrexate (VLDM, 10 mg weekly), a proven anti-inflammatory regimen that reduces TNFalpha, IL-6, and CRP levels and is in wide use among rheumatoid arthritis patients. If successful, CIRT would both confirm the inflammatory hypothesis of atherothrombosis and open novel approaches to the treatment and prevention of cardiovascular disorders.
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