Evaluate the Safety and Feasibility of Allogeneic Mesenchymal Stem Cells in Patients With Multiple Sclerosis

This open-label phase I study will be conducted in MS Clinic of Sina and Shariati Hospital of Tehran province . In this study, diagnosis and management of MS patients will be performed based on McDonald's criteria and Iran's diagnostic and treatment protocols. The patients will be received a single injection of PLMSCs through the intravenous cannula. The proposed study will assess safety and short efficacy endpoints of PLMSCs administered to 5 patients with SPMS. The primary objective of the trial is freedom from treatment associated adverse events at 1,3 and 6 months' post treatment. Secondary objective will be efficacy as assessed at baseline, at 1,3 and 6 months and will be based on the following: EDSS, cytokines, DTI, fMRI, cognitive \& psychological evaluations, and flow cytometry for B cell markers.