Multiple Sclerosis Clinical Trial
Official title:
Feasibility Study of Tolerogenic Fibroblasts in Patients With Refractory Multiple Sclerosis
Fibroblasts have demonstrated potent immune modulatory and therapeutic activity in the experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis, as well as in other models of autoimmune and inflammatory diseases. This study will assess primary safety and secondary efficacy endpoints of intravenous administration of 100 million tolerogenic fibroblasts to 5 patients with relapsing remitting MS resistant to interferon. While the safety of fibroblasts administered clinically is established, it is unknown whether these cells are effective in the treatment of multiple sclerosis (MS). Our hypothesis is that the tolerogenic fibroblasts will be well-tolerated and meet our primary objective. In addition, The investigators are optimistic that they will see signs of efficacy based on the following: Neurological assessment of the MS functional composite assessment which comprises of EDSS, the expanded EDSS (Rating Neurologic Impairment in Multiple Sclerosis, the Scripps neurological rating scale (NRS), paced auditory serial addition test (PASAT), the nine-hole peg test, and 25-foot walking time, short-form 36 (SF-36) quality of life questionnaire and gadolinium-enhanced MRI scans of the brain and cervical spinal cord.
Fibroblasts have demonstrated potent immune modulatory and therapeutic activity in the experimental autoimmune encephalomyelitis (EAE) model of multiple sclerosis, as well as in other models of autoimmune and inflammatory diseases. Mechanistically, tolerogenic fibroblasts produce anti-inflammatory and immune modulatory factors, which appear to be therapeutic in the context of autoimmunity, including IL-10 and TGF-beta. Additionally, tolerogenic fibroblasts produce neurotrophic mediators that enhance myelin production and/or prevent neuronal apoptosis. This study will assess primary safety and secondary efficacy endpoints of intravenous administration of 100 million tolerogenic fibroblasts to 5 patients with relapsing remitting MS resistant to interferon. While the safety of fibroblasts administered clinically is established, it is unknown whether these cells are effective in the treatment of multiple sclerosis (MS). Research Hypothesis: Intravenous administration of 100 million tolerogenic fibroblasts will be well tolerated and induce a therapeutic effect in relapse remitting MS patients. Rationale: The family of Mesenchymal Stem Cells (MSCs) is immune-modulatory, and bone marrow MSCs (BM-MSCs) have induced therapeutic responses in patients with MS [1]. Tolerogenic fibroblasts possess superior immune modulatory activity compared to BM-MSCs and adipose MSCs. The investigators, therefore, seek to perform a five-patient trial to assess the safety and signs of efficacy of this cell population in MS patients resistant to interferon. The trial's primary objective is freedom from treatment-associated adverse events at 1, 2, 4, 8, and 16 weeks post-treatment. The study's secondary objective will be efficacy as assessed at baseline, weeks 2, 4, 8, and 16. The results will be quantified based on the following: Neurological assessment of the MS functional composite assessment, which comprises of EDSS, the expanded EDSS (Rating Neurologic Impairment in Multiple Sclerosis, the Scripps neurological rating scale (NRS), paced auditory serial addition test (PASAT), the nine-hole peg test, and 25-foot walking time, short-form 36 (SF-36) quality of life questionnaire and gadolinium-enhanced MRI scans of the brain and cervical spinal cord. ;
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