Secondary Progressive Multiple Sclerosis, also known as multiple sclerosis, secondary progressive, is related to relapsing-remitting multiple sclerosis and multiple sclerosis. An important gene associated with Secondary Progressive Multiple Sclerosis is MBP (Myelin Basic Protein), and among its related pathways/superpathways are Neuroscience and Neural Stem Cells and Lineage-specific Markers. The drugs Dimethyl fumarate and Siponimod have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and brain.