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Validating a peptide-based laboratory test enabling the measurement of Tysabri® serum levels (pharmacokinetics, PK) in multiple sclerosis patients undergoing therapy. The results of this newly developed test will be compared to Tysabri® serum levels measured in parallel using an independent test. We will also simultaneously measure a pharmacodynamic marker of Tysabri®, receptor saturation levels on blood immune cells, which is thought to correlate with Tysabri® serum levels.
From a single site, consenting patients with relapsing forms of multiple sclerosis who are currently begin treated with Tysabri® (natalizumab) and meeting the eligibility criteria will be asked to provide blood samples on the same day, and prior to, a scheduled infusion of Tysabri® 300 mg IV. Up to 500 patients will be enrolled in this study. Each patient may be asked to donate blood up to 2 times (one blood draw per cycle) to obtain longitudinal data points. Each patient will also be asked to fill out a wellness patient reported outcome (PRO) questionnaire along with the blood draws
Observational Model: Cohort, Time Perspective: Prospective
Rocky Mountain MS Clinic
Salt Lake City
Rocky Mountain MS Research Group, LLC
Published on BioPortfolio: 2016-11-17T11:38:21-0500
We propose to evaluate auditory function and neuropsychologic function in 150 Multiple Sclerosis (MS) patients and in 150 patients who do not have MS. Experimental subjects will be recrui...
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Over three decades study populations in progressive multiple sclerosis have become older and more disabled, but have lower on-trial progression rates: A systematic review and meta-analysis of 43 randomised placebo-controlled trials.
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Multiple sclerosis (MS) is a neuroinflammatory and neurodegenerative disease. Over time, symptoms accumulate leading to increased disability of patients.
Chemokine ligands and co-stimulatory factors are involved in macrophage activation and differentiation processes that could contribute to multiple sclerosis (MS) pathogenesis.
Effective therapeutic strategies to preserve function and delay progression in multiple sclerosis (MS) require early recognition of individual disease trajectories.
A form of multiple sclerosis characterized by a progressive deterioration in neurologic function which is in contrast to the more typical relapsing remitting form. If the clinical course is free of distinct remissions, it is referred to as primary progressive multiple sclerosis. When the progressive decline is punctuated by acute exacerbations, it is referred to as progressive relapsing multiple sclerosis. The term secondary progressive multiple sclerosis is used when relapsing remitting multiple sclerosis evolves into the chronic progressive form. (From Ann Neurol 1994;36 Suppl:S73-S79; Adams et al., Principles of Neurology, 6th ed, pp903-914)
A non-glycosylated form of interferon beta-1 that has a serine at position 17. It is used in the treatment of both RELAPSING-REMITTING MULTIPLE SCLEROSIS and CHRONIC PROGRESSIVE MULTIPLE SCLEROSIS.
An autoimmune disorder mainly affecting young adults and characterized by destruction of myelin in the central nervous system. Pathologic findings include multiple sharply demarcated areas of demyelination throughout the white matter of the central nervous system. Clinical manifestations include visual loss, extra-ocular movement disorders, paresthesias, loss of sensation, weakness, dysarthria, spasticity, ataxia, and bladder dysfunction. The usual pattern is one of recurrent attacks followed by partial recovery (see MULTIPLE SCLEROSIS, RELAPSING-REMITTING), but acute fulminating and chronic progressive forms (see MULTIPLE SCLEROSIS, CHRONIC PROGRESSIVE) also occur. (Adams et al., Principles of Neurology, 6th ed, p903)
The most common clinical variant of MULTIPLE SCLEROSIS, characterized by recurrent acute exacerbations of neurologic dysfunction followed by partial or complete recovery. Common clinical manifestations include loss of visual (see OPTIC NEURITIS), motor, sensory, or bladder function. Acute episodes of demyelination may occur at any site in the central nervous system, and commonly involve the optic nerves, spinal cord, brain stem, and cerebellum. (Adams et al., Principles of Neurology, 6th ed, pp903-914)
Multiple protein bands serving as markers of specific ANTIBODIES and detected by ELECTROPHORESIS of CEREBROSPINAL FLUID or serum. The bands are most often seen during inflammatory or immune processes and are found in most patients with MULTIPLE SCLEROSIS.
Multiple Sclerosis MS
Multiple sclerosis (MS) is the most common disabling neurological condition affecting 100,000 young adults in the UK. The condition results from autoimmune damage to myelin, causing interference in nerve signaling. Symptoms experienced depend on the pa...