Multiple sclerosis (MS) is an inflammatory disease of nervous system, which is also referred as disseminated sclerosis. Multiple sclerosis is progressed with disruption spinal cord and brain nerve cells, which results in loss of ability of the parts of the nervous system to communicate including various other mental, physical and psychiatric problems. Primary progressive multiple sclerosis (PPMS) market is the type of multiple sclerosis in which neurological functions are steadily deteriorated with minimal distinct relapses (exacerbations and attacks) or the fixed period remissions. The progression rates of PPMS may vary from person to person and over the timeframes, which may show the signs of transitory improvements, however, the progression of disease remains persistent. Currently, PPMS market is facing lucrative growth owing to the rising incidences of multiple sclerosis worldwide. Increasing patients' base may promote the future growth of this market.