- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02511028
In Vivo Characterization of Inflammation With Ferumoxytol, an Ultrasmall Superparamagnetic Iron Oxide Nanoparticle, on 7 Tesla Magnetic Resonance Imaging
Background:
- Contrast agents help things show up better on magnetic resonance imaging (MRI) scans. Researchers want to see if the drug ferumoxytol is a good contrast agent. They want to determine that it does not cause prolonged MRI changes in the brain and to see if it helps identify inflammation in multiple sclerosis
Objective:
- To learn how ferumoxytol can be used to image inflammation in multiple sclerosis (MS).
Eligibility:
- Adults ages 18 70 who have MS.
- Healthy volunteers ages 18 70.
Design:
- Participants will have 5 clinic visits over 6 months.
- Participants will be screened with a medical history, neurological exam, and blood draw. Full clinical measures will be obtained.
- Participants will have a 7 tesla brain MRI scan that may include gadolinium contrast agent. The MRI is a metal cylinder in a strong magnetic field. The participant will lie on a table that can slide in and out of the cylinder.
- During visit 2, ferumoxytol with be given through a catheter (a thin plastic tube) that is inserted with a needle into a vessel in the arm.
<TAB>- Participants will then have a 7 tesla MRI scan of the brain..
- At each of the next 3 clinic visits, participants will have a 7 tesla brain MRI and have blood drawn. The MRIs may include gadolinium.
- Participants may have a full neurologic exam at these visits. At the final visit, full clinical measures will be obtained.
- Participants may have more MRI scans if a 6-month MRI shows ferumoxytol still in the brain.
Study Overview
Detailed Description
Objective
The goals of this pilot study are to (1) demonstrate the safety of ferumoxytol, a United States Food and Drug Administration (FDA) approved drug used in the treatment of iron deficiency anemia, as a contrast agent for brain magnetic resonance imaging (MRI), as determined by a lack of long-term signal change in healthy volunteers (HV) and people with multiple sclerosis (MS); (2) determine if ferumoxytol enhancement can be detected in MS lesions on 7-tesla (T) MRI; and (3) examine the spatial and temporal enhancement patterns of ferumoxytol compared to patterns seen with gradient-echo imaging and gadolinium contrast in MS lesions.
Study population
Up to 10 HVs and up to 10 participants with MS will be recruited for this study.
Design
Participants will undergo a series of brain MRIs on a 7 T scanner. MRI will be before (baseline) and 0-8 hours, 24-96 hours, 1 month, and 6 months following ferumoxytol administration.
Outcome measures
The primary outcome measure is change in gradient-echo T2-weighted signal (derived from an MR sequence sensitive to paramagnetic agents such as iron) in the globus pallidus, a known brain iron reservoir, 6 months following ferumoxytol administration. Thus, we will determine if ferumoxytol induces long-lasting brain signal intensity changes in HV and MS. Secondary outcome measures are: (1) the number, location, and qualitative morphology of ferumoxytol, gradient-echo phase, and gadolinium-enhanced MS lesions and how these lesions change over time; and (2) quantitative estimates of change in iron concentration by determining R2 (= 1/T2) relaxation rate within MS lesions, normal appearing white matter, normal appearing gray matter, and other iron-rich regions within the brain before and after ferumoxytol injection.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Locations
-
-
Maryland
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Bethesda, Maryland, United States, 20892
- National Institutes of Health Clinical Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
- INCLUSION CRITERIA:
HEALTHY VOLUNTEER INCLUSION CRITERIA
- age between 18 and 70 (inclusive)
- able to give informed consent
- brain MRI within 2 years of study enrollment that shows no clinically significant abnormalities, in the judgment of a board-certified and NIH-credentialed neuroradiologist
PATIENT INCLUSION CRITERIA
- age between 18 and 70, inclusive
- able to give informed consent
- diagnosis of multiple sclerosis according to revised McDonald Criteria
EXCLUSION CRITERIA:
GENERAL EXCLUSION CRITERIA:
- screening labs demonstrating any value for hepatic or renal function levels out of the range of normal, to include AST, ALT, bilirubin, alkaline phosphatase, creatinine, eGFR
- evidence of polycythemia vera with hemoglobin levels more than 1 standard deviation above the NIH laboratory s normal level
- iron overload syndromes, including hemochromatosis, or subjects with evidence of iron overload with a baseline ferritin level greater than 370 ng/ml and percent saturation of transferrin level greater than 40%.
- previous or current alcohol and/or substance abuse per medical history or medical records
- medical contraindications for MRI (e.g., any non-organic implant or other device such as a cardiac pacemaker or infusion pump or other metallic implants, objects, or body piercings that are not MRI-compatible or cannot be removed)
- psychological contraindications for MRI (e.g., claustrophobia), to be assessed at the time the medical history is collected
- pregnancy or current breastfeeding
- reported history of clinically significant impaired hearing, because people with impaired hearing are at increased risk of sound-induced damage from the MRI scanner
- known allergy to dextran or drugs containing iron salts or any previous history of severe allergic reactions, anaphylaxis, to any drug
- clinically significant medical or neurological disorders that, in the judgment of the investigators might expose the patient to undue risk of harm confound study outcomes or prevent the participant from completing the study; examples of such conditions include but are not limited to diagnosis of certain types of cancer, cardiopulmonary conditions such as congestive heart failure, or uncontrolled hypertension
ADDITIONAL PATIENT EXCLUSION CRITERION:
-4 or more gadolinium-enhancing lesions on the screening scan
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: ferumoxytol
A 510 mg dose (17 mL) of ferumoxytol diluted in 50 mL of 0.9% normal saline will be intravenously infused over 17 minutes
|
510mg (17mL) IV
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
change in gradient-echo T2*-weighted signal in an iron-rich brain structure, the globus pallidus
Time Frame: 6 months following ferumoxytol administration
|
determine if ferumoxytol induces long-lasting brain signal intensity changes in HV and MS
|
6 months following ferumoxytol administration
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Daniel S Reich, M.D., National Institute of Neurological Disorders and Stroke (NINDS)
Publications and helpful links
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 (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Nervous System Diseases
- Immune System Diseases
- Demyelinating Autoimmune Diseases, CNS
- Autoimmune Diseases of the Nervous System
- Demyelinating Diseases
- Autoimmune Diseases
- Multiple Sclerosis
- Sclerosis
- Inflammation
- Hematinics
- Pharmaceutical Solutions
- Parenteral Nutrition Solutions
- Ferrosoferric Oxide
Other Study ID Numbers
- 150156
- 15-N-0156
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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