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Heart Failure With Mid-Range (Borderline) Ejection Fraction: Clinical Implications and Future Directions Impact of intravascular ultrasound on the long-term clinical outcomes in the treatment of coronary ostial lesions Sex Differences in Heart Failure With Preserved Ejection Fraction Pathophysiology: A Detailed Invasive Hemodynamic and Echocardiographic Analysis Stopping or continuing clopidogrel 12 months after drug-eluting stent placement: the OPTIDUAL randomized trial Clinical use of intracoronary imaging. Part 1: guidance and optimization of coronary interventions. An expert consensus document of the European Association of Percutaneous Cardiovascular Interventions: Endorsed by the Chinese Society of Cardiology Novel predictor of target vessel revascularization after coronary stent implantation: Intraluminal intensity of blood speckle on intravascular ultrasound IVUS in bifurcation stenting: what have we learned? Plasma Ionized Calcium and Risk of Cardiovascular Disease: 106 774 Individuals from the Copenhagen General Population Study Initial Invasive or Conservative Strategy for Stable Coronary Disease Myocardial bridging: contemporary understanding of pathophysiology with implications for diagnostic and therapeutic strategies

Review ArticleVolume 73, Issue 13, 9 April 2019, Pages 1691-1706

JOURNAL:J Am Coll Cardiol. Article Link

Targeting the Immune System in Atherosclerosis: JACC State-of-the-Art Review

TX Zhao, Z Mallat. Keywords: atherosclerosis; clinical trials; immune system; inflammation; therapy and outcome

ABSTRACT


Atherosclerosis has long been known as an inflammatory disease. However, whether targeting inflammation improves outcomes was unproven until the recent results of CANTOS (Canakinumab Anti-InflammatoryThrombosis Outcomes Study). In this review, we reflect on why it has taken a long time to prove the inflammatory hypothesis of atherosclerosis and derive important lessons for the future. In particular, we discuss the off-target immune-modulatory effects of approved cardiovascular therapies, review the attempted anti-inflammatory therapies including the recently published CIRT (Cardiovascular Inflammation Reduction Trial), and discuss the likely reasons for their failures. We further build on CANTOS to review the immune-modulatory therapies for atherosclerosis currently in trials, and discuss the likelihood of their added value as well as the potential hazard associated with their use. We finally argue for a critical approach to the use of animal models, coupled with the use of humans as model organisms to accelerate the identification of the most appropriate targets.