Diabetes Mellitus, Type 2 Clinical Trial
Official title:
A Multi-Ethnic, Multi-centre raNdomised, Controlled Trial of a Low-energy Diet for Improving Functional Status in Heart Failure With PRESERVED Ejection Fraction (AMEND-preserved)
Heart failure with preserved ejection fraction (HFpEF) is a common and serious complication of obesity and type 2 diabetes (T2D). HFpEF occurs when the heart muscle unable to relax efficiently to pump the blood around the body. This leads to fluid build-up, breathlessness and inability to tolerate physical exertion. People who develop HFpEF do less well because treatment options are limited. Pilot data in patients with obesity and diabetes and a small number of patients with HFpEF have shown improvements in exercise capacity and reversal of changes in the heart and blood vessels. This study will assess if this is achievable in a multi-ethnic cohort of patients with established HFpEF. A total of 102 adults will be invited and allocate by chance into two groups: either a 12-week diet or health advice on how to lose weight. The study will determine if weight loss over 12 weeks can improve heart function, symptoms and ability to exercise. Additionally, participants' views on changing their diet and how this has impacted their symptoms will be sought during the study in an optional interview. This will help guide treatments planning in the future to get maximum benefits, and to individualize support to patients from different cultural backgrounds.
Heart failure (HF) with preserved ejection fraction (HFpEF) is a heterogenous syndrome, typified by severe exercise intolerance and with limited treatment options. Weight loss achieved through a low energy meal-replacement plan (MRP) has been shown to lead to reversal of cardiovascular remodelling in ethnically diverse asymptomatic adults with pre-HFpEF and HFpEF. This trial will translate this experience with the pragmatic low energy MRP into a symptomatic, multi-ethnic cohort of obese HFpEF, across three sites (Leicester, Manchester and Oxford) to assess its efficacy in improving exercise intolerance, symptoms, quality of life, cardiovascular remodelling, and skeletal myopathy. ;
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