• Elisabetta Tonet, Elisa Maietti, Giorgio Chiaranda, Francesco Vitali, Matteo Serenelli, Giulia Bugani, Gianni Mazzoni, Rossella Ruggiero, Jonathan Myers, Giovanni Quinto Villani, Ursula Corvi, Giovanni Pasanisi, Simone Biscaglia, Rita Pavasini, Giulia Ricci Lucchi, Gianluigi Sella, Roberto Ferrari, Stefano Volpato, Gianluca Campo, and Giovanni Grazzi.
• Cardiology Unit, Azienda Ospedaliera Universitaria di Ferrara, Ferrara, Cona FE, Italy.
• Bmc Cardiovasc Disor. 2018 May 21; 18 (1): 98.

BackgroundReduced physical performance and impaired mobility are common in elderly patients after acute coronary syndrome (ACS) and they represent independent risk factors for disability, morbidity, hospital readmission and mortality. Regular physical exercise represents a means for improving functional capacity. Nevertheless, its clinical benefit has been less investigated in elderly patients in the early phase after ACS. The HULK trial aims to investigate the clinical benefit of an early, tailored low-cost physical activity intervention in comparison to standard of care in elderly ACS patients with reduced physical performance.DesignHULK is an investigator-initiated, prospective multicenter randomized controlled trial (NCT03021044). After successful management of the ACS acute phase and uneventful first 1 month, elderly (≥70 years) patients showing reduced physical performance are randomized (1:1 ratio) to either standard of care or physical activity intervention. Reduced physical performance is defined as a short physical performance battery (SPPB) score of 4-9. The early, tailored, low-cost physical intervention includes 4 sessions of physical activity with a supervisor and an home-based program of physical exercise. The chosen primary endpoint is the 6-month SPPB value. Secondary endpoints briefly include quality of life, on-treatment platelet reactivity, some laboratory data and clinical adverse events. To demonstrate an increase of at least one SPPB point in the experimental arm, a sample size of 226 patients is needed.ConclusionsThe HULK study will test the hypothesis that an early, tailored low-cost physical activity intervention improves physical performance, quality of life, frailty status and outcome in elderly ACS patients with reduced physical performance.Trial RegistrationClinicaltrials.gov, identifier NCT03021044 , first posted January, 13th 2017.

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