A Study for Patients With Multiple Sclerosis

Inclusion Criteria: 1. Subjects participating in this study must have completed treatment and all required evaluations in the previous MBP8298-01 study "A Double Blind Placebo Controlled Multi-Centre Study to Evaluate the Efficacy and Safety of MBP8298 in Subjects with Secondary Progressive Multiple Sclerosis", 2. Subject must be able and willing to give meaningful, written informed consent prior to participation in the trial in accordance with regulatory requirements, 3. In the Investigator's opinion, subjects must be reliable, compliant and agree to cooperate with all trial evaluations. Exclusion Criteria: 1. Use of any concomitant disease modifying therapy for Multiple Sclerosis e.g. ß-interferon, glatiramer acetate or mitoxantrone, cyclophosphamide, methotrexate, azathioprine, or any other immuno-modulating (e.g. IVIG) or immunosuppressive drugs including recombinant or non-recombinant cytokines. 2. Any medical, psychiatric or other condition that could result in a subject not being able to give fully informed consent, or to comply with the protocol requirements. 3. Any other condition that, in the Investigator's opinion, makes the subject unsuitable for participation in the study. 4. Females who are breast feeding, pregnant or not using a medically approved method of contraception regularly.