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BMC Cardiovascular Disorders

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Open Access 01-12-2017 | Study protocol

Does dapagliflozin regress left ventricular hypertrophy in patients with type 2 diabetes? A prospective, double-blind, randomised, placebo-controlled study

Authors: Alexander J.M. Brown, Chim Lang, Rory McCrimmon, Allan Struthers

Published in: BMC Cardiovascular Disorders | Issue 1/2017

Abstract

Background

Patients with diabetes have a two to fourfold increased risk for development of and death from cardiovascular disease [CVD]. The current oral hypoglycaemic agents result in limited reduction in this cardiovascular risk. Sodium glucose linked co-transporter type 2 [SGLT2] inhibitors are a relatively new class of antidiabetic agent that have been shown to have potential cardiovascular benefits. In support of this, the EMPA-REG trial showed a striking 38% and 35% reduction in cardiovascular mortality and heart failure [HF] hospitalisation respectively. The exact mechanism (s) responsible for these effects remain (s) unclear. One potential mechanism is regression of Left ventricular hypertrophy (LVH).

Methods

The DAPA-LVH trial is a prospective, double-blind, randomised, placebo-controlled ‘proof of concept’ single-centre study that has been ongoing since January 2017. It is designed specifically to assess whether the SGLT2 inhibitor dapagliflozin regresses left ventricular [LV] mass in patients with diabetes and left ventricular hypertrophy [LVH]. We are utilising cardiac and abdominal magnetic resonance imaging [MRI] and ambulatory blood pressure monitoring to quantify the cardiovascular and systemic effects of dapagliflozin 10 mg once daily against standard care over a 1 year observation period. The primary endpoint is to detect the changes in LV mass. The secondary outcomes are to assess the changes in, LV volumes, blood pressure, weight, visceral and subcutaneous fat.

Discussion

This trial will be able to determine if SGLT2 inhibitor therapy reduces LV mass in patient with diabetes and LVH thereby strengthening their position as oral hypoglycaemic agents with cardioprotective benefits.

Trial registration

Clinical Trials.gov: NCT02956811. Registered November 2016.

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Title: Does dapagliflozin regress left ventricular hypertrophy in patients with type 2 diabetes? A prospective, double-blind, randomised, placebo-controlled study
Authors: Alexander J.M. Brown
Chim Lang
Rory McCrimmon
Allan Struthers
Publication date: 01-12-2017
Publisher: BioMed Central
Published in: BMC Cardiovascular Disorders / Issue 1/2017
Electronic ISSN: 1471-2261
DOI: https://doi.org/10.1186/s12872-017-0663-6

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