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Rationale and study design of the NEuroCardiac TherApy foR Heart Failure Study: NECTAR-HF

Abstract : AIMS: Increased sympathetic activation and reduced parasympathetic tone are important pathophysiological contributors to the progression of heart failure, and are associated with poor outcome in patients. The aim of this study is to determine if vagal nerve stimulation (VNS) is a promising approach to modulate autonomic function and slow cardiac remodelling and the progression of heart failure. METHODS: The NECTAR-HF (NEural Cardiac TherApy foR Heart Failure) trial is designed to evaluate whether the Boston Scientific VNS device is safe and may attenuate cardiac remodelling, improve cardiac function and increase exercise capacity, in symptomatic heart failure patients (New York Heart Association Class II-III) with left ventricular systolic dysfunction (ejection fraction ≤35%) and receiving optimal medical therapy. Patients will be randomized in a 2:1 ratio to receive standard optimal medical treatment plus VNS system in an active mode vs. optimal medical treatment plus VNS system in an inactive mode, for a 6 month period. After the 6 month control period, inactive VNS systems will be activated and all patients will receive VNS. The study is powered to detect differences in the primary efficacy endpoint of change in left ventricular end systolic diameter. Secondary endpoints include ejection fraction, left ventricular volumes, quality of life scores, functional capacity, and changes in biomarkers. CONCLUSION: This Phase II, randomized clinical trial conducted with vagal stimulation for heart failure will provide important new information on the potential of this novel and promising technique.
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https://hal.univ-lorraine.fr/hal-01739740
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Submitted on : Wednesday, March 21, 2018 - 12:29:49 PM
Last modification on : Tuesday, February 16, 2021 - 5:12:04 PM

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Gaetano de Ferrari, Anton Tuinenburg, Stephen Ruble, Josep Brugada, Helmut Klein, et al.. Rationale and study design of the NEuroCardiac TherApy foR Heart Failure Study: NECTAR-HF. European Journal of Heart Failure, Oxford University Press (OUP), 2014, 16 (6), pp.692 - 699. ⟨10.1002/ejhf.80⟩. ⟨hal-01739740⟩

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