Efficacy of Metformin as add-on Therapy in Non-Diabetic Heart Failure

Status Completed

Clinical Trial Summary

There is an increasing interest in the use of metformin in CV diseases and there is an increasing interest in studying its potential new roles in heart failure patients. There were some concerns related to the safety of metformin in such diabetic patients due to the risk of lactic acidosis. However, recent studies showed that metformin was safe or even beneficial in HF patients. We hypothesized that metformin might improve morbidity, mortality, cardiac function, and HR-QoL in non-diabetic patients with HFrEF.

Clinical Trial Description

Metformin is an anti-diabetic drug that is known improve insulin sensitivity and reduce insulin resistance. A published meta-analysis of randomized controlled trials (RCTs) reported a reduction of weight and insulin resistance in metformin users. Animal models also showed that metformin reduces cardiac hypertrophy. Observational studies showed a beneficial effect for metformin in patients with type 2 diabetes mellitus (T2DM) and heart failure. A recent study found that metformin reduced oxidative stress in non-diabetic patients with CAD. Metformin has multiple modes of actions involving both AMP-activated protein kinase (AMPK) dependent and AMPK-independent mechanisms that may be implicated in cardiac hypertrophy. At the systemic level, a review of clinical and experimental data showed that metformin improves endothelial function, protects from oxidative stress and inflammation, as well as the negative effects of angiotensin II. Observational studies also reported cardiovascular benefits in metformin users especially in patients with type 2 diabetes mellitus (T2DM) and heart failure. Metformin has also been shown to exert a cardio protective effect and it has been shown to reduce oxidative stress which is a common finding in heart failure patients. For these reasons, there is an increasing interest in the use of metformin in CV diseases and there is an increasing interest in studying its potential new roles in this aspect. We hypothesized that metformin might improve morbidity, mortality, cardiac function, and HR-QoL in non-diabetic patients with HFrEF. ;

Study Design

Related Conditions & MeSH terms

Heart Failure

Clinical Trial Details

NCT number	NCT05177588
Study type	Interventional
Source	Cairo University
Contact
Status	Completed
Phase	Phase 4
Start date	July 21, 2021
Completion date	April 30, 2023

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Efficacy of Metformin as add-on Therapy in Non-Diabetic Heart Failure Patients

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms