- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03057561
Efficacy of Dotarem® (Gd-DOTA) Versus Gadovist® (Gd-DO3A-butrol) for Late Gadolinium Enhancement Cardiac Magnetic Resonance
Efficacy of Dotarem® (Gd-DOTA) Versus Gadovist® (Gd-DO3A-butrol) for Late Gadolinium Enhancement Cardiac Magnetic Resonance and Relationship to Outcomes: A Pilot Study
Study Overview
Status
Conditions
Detailed Description
Gadolinium-containing contrast agents (GdCAs) are intravenous agents used for contrast enhancement with magnetic resonance imaging (MRI) and with magnetic resonance angiography (MRA). The GdCAs (gadodiamide, gadopentetic acid, gadobenic acid, gadoxetic acid, gadoteridol, gadobutrol and gadoteric acid) have been in use for few decades for different types of MR scan varying from product to product, including liver, brain, and whole body scan.
Recently, there has been a great interest in employing contrast-related techniques to assess for fibrosis in the myocardium of the heart. As opposed to nuclear methods, viability assessment by MRI is a nonstress examination that provides high-resolution detail, including functional assessment of the left ventricle in approximately 30 minutes. Assessment of myocardial viability is performed using 5- to 20-minute delayed, gadolinium-enhanced MRI. On delayed MRI, there is a relatively decreased washout of the gadolinium contrast agent in areas of myocardium that have been replaced by fibrosis or scar. In normal viable myocardium, the gadolinium contrast agent washes out more rapidly than it does from the fibrosis or scar. Since the difference between normal and abnormal myocardium is based on washout kinetics, images that are delayed by 5 to 20 minutes after contrast injection will optimally depict the fibrosis or scar.
The differences in gadolinium enhancement on MRI of viable myocardium and fibrosis or scar have been known for many years. Recently, however, MRI pulse sequences have been developed that greatly improve the conspicuity of the enhanced areas of myocardium that have been replaced by fibrosis or scar. The pulse sequence used is an inversion-recovery prepared gradient-echo sequence. In this method, an inversion pulse is used to null the signal from normal myocardium. Myocardium that is replaced by fibrosis or scar retains gadolinium and shows very high signal intensity compared with the suppressed, darker myocardium.
Gadovist has been the standard gadolinium contrasts used in the U.S. in CMR imaging for the past few years. On the other hand, Dotarem, a widely used contrast agent in Europe, has been introduced to be used in the U.S. market.The sensitivity of Dotarem to that of Magnevist in determining the location and extent of scar in patients scanned with CMR will be Gadovist in this study.
The CMR laboratory at the Houston Methodist DeBakey Heart & Vascular Center is one of the largest dedicated CMR laboratories in the U.S. performing 3,000 clinical CMR procedures per year. The laboratory has been in existence since 2008 and is currently equipped with 2 dedicated MRI scanners: 1.5T Siemens Avanto and 3.0T Siemens Verio. Through a research agreement with Siemens Medical Solutions, the laboratory has access to numerous works-in progress sequences as they are developed. The laboratory is equipped with an MRI compatible patient monitoring system, infusion pump, and power injector and is staffed by a team of 5 dedicated CMR technologists, 2 clinical nurses, 1 CMR fellow, an MRI scientist, and 2 attending cardiologists.
One hundred twenty patients with known or suspected cardiovascular disease will be recruited for this study. Patients will be randomized (in a 1:1 fashion) to receive either Dotarem or Gadovist for LGE-CMR such that there will be 60 patients in the Dotarem cohort and 60 patients in the Gadovist cohort.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients undergoing clinically referred CMR.
Exclusion Criteria:
- Patients who are unable to give informed consent.
- Individuals with severe claustrophobia.
- Individuals unable to lie flat for 90 minutes (the anticipated amount of time to complete the MRI procedure).
- Individuals who are pregnant.
- Patients with implants or pacemakers.
- Patients that have hypersensitivity to components of gadolinium.
- Patients with renal failure.
- Patients who had any trauma or surgery which may have left ferromagnetic material in the body.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Single Group Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 3.0 Tesla Cardiac MRI using Dotarem contrast agent
60 randomly selected participants with suspected or known cardiovascular disease will have a 3.0 Tesla Cardiac MRI with contrast agent, Dotarem
|
Gadolinium based contrast agent used in cardiac MRI scanning using 3.0 Tesla MRI
Other Names:
Brand of Gd-DO3A-butrol; contrast agent used in cardiac MRI scanning using 3.0 Tesla MRI
Other Names:
|
Experimental: 3.0 Tesla Cardiac MRI using a Gadovist contrast agent
60 randomly selected participants with suspected or known cardiovascular disease will have a 3.0 Tesla Cardiac MRI with contrast agent, Gadovist
|
Gadolinium based contrast agent used in cardiac MRI scanning using 3.0 Tesla MRI
Other Names:
Brand of Gd-DO3A-butrol; contrast agent used in cardiac MRI scanning using 3.0 Tesla MRI
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Compare visual image quality of LGE-CMR when performed with Dotarem or Gadovist in a randomized fashion.
Time Frame: Two years
|
All LGE-CMR scans scoring for visual image quality using a 5-point scale: 1 = LV myocardium not visible, 2 = severe artifact interfering with ability to visualize LV myocardial borders limiting assessment for presence of LGE (poor), 3 = LV myocardial borders are well delineated but there is moderate artifact affecting ability to identify LGE (fair), 4 = LV myocardium is well delineated with minor artifacts affecting ability to identify LGE (good), 5 = LV myocardium well delineated with no artifacts affecting ability to identify LGE (excellent).
|
Two years
|
Compare quantitative signal enhancement of LGE when performed with Dotarem or Gadovist in a randomized fashion.
Time Frame: Two Years
|
Assessment of the intensity of hyperenhancement with Dotarem and Gadovist using a semi-automated computer software.
|
Two Years
|
Compare association of LGE and clinical cardiovascular outcomes when performed with Dotarem or Gadovistin a randomized fashion.
Time Frame: Eight years
|
Patient screened for outcomes (e.g.
acute myocardial infraction, sudden cardiac death, heart failure, stroke, cardiovascular hemorrhage, other death from cardiovascular causes)
|
Eight years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Dipan Shah, MD, The Methodist Hospital Research Institute
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Myocardial Ischemia
- Heart Diseases
- Cardiovascular Diseases
- Vascular Diseases
- Arteriosclerosis
- Arterial Occlusive Diseases
- Coronary Disease
- Coronary Artery Disease
- Cardiomyopathies
- Molecular Mechanisms of Pharmacological Action
- Chelating Agents
- Sequestering Agents
- Gadolinium 1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetate
Other Study ID Numbers
- Pro00012234
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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