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The primary objective of this study is to determine the normative range of brain volume and brain volume change in healthy control (HC) participants whose age, race, and gender distribution is approximately matched to the age, race, and gender distribution of patients with Multiple Sclerosis (MS) enrolled in Study 888MS001. The secondary objective is to use the results of the primary endpoint to ensure consistency of brain volume measurements across MS PATHS centers.
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Ages Eligible for Study:
21 Years to 60 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Healthy control (HC) participants enrolled at each institution will be carefully selected to result in a group whose age, race, and gender distribution is approximately matched to the age, race, and gender distribution of patients with MS enrolled in MS PATHS at that center. Patients enrolled in MS PATHS at each center will be encouraged to enlist a friend or family member to participate in the study as an HC. Subsequently, on approximately quarterly review of participant participation, particular demographic groups will be targeted for recruitment, if needed, in order for the age, race, and gender distribution of a center's HC sample to be similar to their MS PATHS participant sample (within the study age range).
Key Inclusion Criteria
Ability to understand the purpose and risks of the study and provide signed and dated informed consent and authorization to use protected health information in accordance with national and local participant privacy regulations.
Key Exclusion Criteria
History of human immunodeficiency virus.
Confirmed or suspected pregnancy.
Diagnosis of migraine requiring medication or any other participant-reported diagnosis of a neurological disease or condition (e.g., stroke, transient ischemic attack, epilepsy, brain infection, brain surgery, prior head injury or concussion, or brain tumor).
Any participant-reported diagnosis of an autoimmune disorder (e.g., rheumatoid arthritis, Sjögren's syndrome, scleroderma, or systemic lupus erythematosus).
Standard MRI exclusion criteria, including claustrophobia, inability to lay still in the magnet (e.g., tremor), or any type of implanted metal in the body that would be affected by the strong magnetic field.
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply