Hyperpolarized MRSI in Ischemic Heart Disease: A Metabolic Investigation

Status Recruiting

Clinical Trial Summary

This study aims to investigate the potential of using hyperpolarized [1-13C]-pyruvate magnetic resonance imaging (MRI) to assess metabolic alterations in patients with ischemic heart disease (IHD). Altered myocardial metabolism is recognized as a crucial factor in heart failure and IHD, and modulating cardiac metabolism offers a new approach to treatment. However, current diagnostic modalities use ionizing radiation and have shown limited prognostic value. Hyperpolarization through dynamic nuclear polarization (DNP) enables highly sensitive in vivo detection of metabolic processes. Hyperpolarized [1-13C]-pyruvate allows visualization of glycolysis-related metabolism, providing insights into the breakdown of glucose and its derivatives. By using this technique, the study aims to differentiate viable from non-viable myocardium in patients with IHD. The objectives include implementing hyperpolarized [1-13C]-pyruvate cardiac MRI to image metabolic flux in the human heart and investigating the potential of this method to distinguish viable from non-viable myocardium in patients with IHD. The study endpoints involve assessing metabolic flux through the pyruvate dehydrogenase complex (PDC) and analyzing ratios of different metabolites, which can indicate the extent of pyruvate oxidation and lactate production. A cross-sectional study design involving patients with CHF and ischemic heart disease will be used. Patients will undergo hyperpolarized [1-13C]-pyruvate MRI, PET imaging, late gadolinium enhancement (LGE) MRI, and cardiac magnetic resonance imaging (CMR). The study will compare [1-13C]-pyruvate MRI findings with PET results, allowing for a correlation between metabolic data and traditional imaging techniques. This innovative approach could provide valuable insights into the metabolic changes associated with ischemic heart disease

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06054516
Study type	Observational
Source	Aarhus University Hospital
Contact	Niels A. Jespersen, MD
Phone	+4522950990
Email	nijesp@rm.dk
Status	Recruiting
Phase
Start date	October 13, 2023
Completion date	January 31, 2025

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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.

Hyperpolarized MRSI in Ischemic Heart Disease: A Metabolic Investigation of the Heart Muscle

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms