- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00001219
Comparing Magnetic Resonance Imaging/Spectroscopy Techniques
Magnetic Resonance Imaging at 1.5 and 3.0 Tesla
Magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS) are diagnostic tests that allow researchers to look at different chemical properties of tissue. Magnetic resonance imaging and spectroscopy studies can be used to gather or evaluate information about various aspects of patient s bodies or to monitor changes in the biochemistry and physiology of patient s bodies.
Unlike other diagnostic techniques (CT scan and PET scan) MRI and MRS do not use ionizing radiation. Some studies have shown that MRI is more effective at distinguishing normal parts of the anatomy from abnormal anatomy, especially in the brain. MRI has become the diagnostic test of choice for evaluating patient with multiple sclerosis.
The purpose of this study is to evaluate normal volunteers and patients with a variety of diseases with magnetic resonance imaging. Researchers will attempt different magnetic resonance imaging methods and techniques as well as different levels of magnetic strength.
Study Overview
Status
Conditions
Detailed Description
Background:
MRI is a constantly evolving imaging modality. Pulse sequences are often modified to improve their performance. However, many of these changes have not yet been approved by the FDA and therefore, are not considered standard of care. Some of these sequences require the use of new types of imaging coils, which are also investigational.
Objectives:
The major purpose of this protocol is to inform patients undergoing MR scans in the Clinical Center that they be scanned with MRI sequences and/or coils which may or may not be FDA approved and to get the patient s consent for this. This is not a formal research study since specific disease entities and specific pulse sequences are not studied in a systematic way. Rather, the purpose is to give NIH patients access to gradual improvements in MR technology that would otherwise not be available to them.
Eligibility:
All patients who, by virtue of the NIH protocol in which they are enrolled, qualify for MRI will be eligible for participation in this protocol.
Design:
Up to 99,999 participants will be enrolled in this study.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
Maryland
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Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center, 9000 Rockville Pike
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
- INCLUSION CRITERIA:
- All patients undergoing MRI in the Clinical Center.
- Patients must be able to provide informed consents.
EXCLUSION CRITERIA:
- Contraindications to MRI.
- Inability to understand consent form or consent process and the absence of a suitable guardian.
- Adults who are or may not be able to consent
- Patients in whom the scan must be performed quickly, i.e. those patients under anesthesia, anxious patients, those requiring emergency medical care, or others in which it is deemed inappropriate to prolong a study.
- Refusal to Participate.
- Pregnant women and fetuses
- Neonates
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Patients undergoing MRI in the Clinical Center
All patients who, by virtue of the NIH protocol in which they are enrolled, who qualify for MRI will be eligible for participation in this protocol.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Success of new sequences
Time Frame: 10 scan comparison
|
clinically meaningful pulse sequence improvements
|
10 scan comparison
|
Collaborators and Investigators
Publications and helpful links
General Publications
- Frank JA, Dwyer AJ, Doppman JL. Nuclear magnetic resonance imaging in oncology. Important Adv Oncol. 1987:133-74.
- Roschmann P, Tischler R. Surface coil proton MR imaging at 2 T. Radiology. 1986 Oct;161(1):251-5. doi: 10.1148/radiology.161.1.3763875.
- Kim EE, Pjura G, Lowry P, Verani R, Sandler C, Flechner S, Kahan B. Cyclosporin-A nephrotoxicity and acute cellular rejection in renal transplant recipients: correlation between radionuclide and histologic findings. Radiology. 1986 May;159(2):443-6. doi: 10.1148/radiology.159.2.3515421.
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 870091
- 87-CC-0091
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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