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Clinical Trial Summary

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.


Clinical Trial Description

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. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05887271
Study type Interventional
Source University of Leicester
Contact Joanna M Bilak, BMBS
Phone +44 (0)116 258 3038
Email jmb99@leicester.ac.uk
Status Recruiting
Phase Phase 2/Phase 3
Start date March 29, 2023
Completion date January 1, 2026

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