Multiple sclerosis (MS) is a chronic inflammatory demyelinating central nervous system disease that typically
strikes young adults, especially women. The pathobiology of MS includes inflammatory and neurodegenerative
mechanisms that affect both white and gray matter. This was a retrospective comparative study conducted on 50
patients with Multiple Sclerosis (MS); to assess EDSS score (Expanded Disability Status Scale) and Relapse Rate of
M.S patients after one year of receiving Interferon. This is Retrospective, randomized study included Fifty Egyptian
patients with relapsing RRMS were recruited from Neurology department of Maadi military hospital and Ain Shams
university hospital, as well as outpatient clinics. The included patients were all receiving medications in the form of
disease modifying therapies (DMTs) (Immunomodulators). Results; the mean age of all patients was (32.5 ± 3.6) years.
Regarding gender of the patients, the majority (66%) of patients were males; while (34%) were females. Comparative
study between the 3 groups revealed Non-significant difference as regards age and sex of the patients (p > 0.05). highly
significant decrease in 1-year EDSS score and relapse rate, in Rebif® then Betaferon® group; compared to Avonex®
group (p < 0.01 respectively). Spearman's correlation analysis shows that; Age, and age at onset, had a highly
significant positive correlation with 1-year relapse rate (p < 0.05 respectively).
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