© 2008 European Society of Cardiology
Clinical trials update from the American College of Cardiology 2008: Carisma, Trends, meta-analysis of Cox-2 studies, Hat, on-Target, Hyvet, Accomplish, Momentum, Protect, Horizon-hf and Reverse
Department of Cardiology, University of Hull, Castle Hill Hospital, Cottingham Kingston-upon-Hull, HU16 5JQ, UK
* Corresponding author. Tel.: +44 1482 624086. fax: +44 1482 624085. E-mail address: a.p.coletta{at}hull.ac.uk
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This article provides information and a commentary on trials relevant to the pathophysiology, prevention and treatment of heart failure, presented at the American College of Cardiology. Unpublished reports should be considered as preliminary data, as analyses may change in the final publication.
CARISMA investigated the use of implantable loop recorders for detecting life-threatening arrhythmias in patients with LVSD after MI and found that brady- and ventricular tachy-arrhythmias predicted an adverse prognosis. The TRENDS study showed that the burden of atrial fibrillation detected by pacemakers or defibrillators predicted the risk of embolic events but not with sufficient precision to justify changes in anti-thrombotic management. A meta-analysis of six trials reported an increased cardiovascular risk associated with celecoxib, particularly for heart failure, which was related to dose and baseline cardiovascular risk. The HAT study failed to show a benefit of providing post-MI patients with a home defibrillator. MOMENTUM, a study of a device designed to augment aortic blood flow, was stopped early due to increased bleeding risk. Results from PROTECT support the use of rolofylline 30 mg/day in acute heart failure, a definitive study is now underway. Istaroxime, an agent that appears to have both inotropic and lusitropic effects, improved haemodynamics when added to standard therapy in patients stabilised after admission with heart failure in HORIZON-HF. The REVERSE study suggested that CRT improves ventricular function and reduces morbidity even in patients with few or no symptoms of heart failure and may delay or prevent worsening heart failure.
Key Words: Randomised controlled trials • Heart failure
Received May 6, 2008; Accepted May 7, 2008
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