AI Article Synopsis
- Multiple sclerosis (MS) is a chronic condition characterized by the deterioration of nerve insulation, and the study aimed to assess the effectiveness of metformin combined with interferon beta 1a in patients with relapsing-remitting MS.
- Eighty patients were divided into two groups: one received metformin with IFNβ-1a, while the other only received IFNβ-1a. After six months, no significant differences were found between the two groups in several measured outcomes, including inflammatory markers and disability status.
- Although the addition of metformin showed a potential effect on reducing levels of an oxidative stress marker (MDA), the overall immunological and clinical outcomes did not demonstrate significant
Article Abstract
Background: Multiple sclerosis (MS) is a chronic demyelinating neurodegenerative disorder. Elevated levels of pro-inflammatory mediators and some oxidative stress parameters can accelerate the demyelination process. We aimed to investigate the efficacy and safety of metformin as an adjuvant therapy to interferon beta 1a (IFNβ-1a) in relapsing-remitting multiple sclerosis (RRMS) patients.
Method: Eighty RRMS patients were equally divided into 2 groups: the intervention group receiving IFNβ-1a plus 2 gm of metformin once daily and the control group receiving IFNβ-1a alone. Interleukin 17 (IL17), interleukin 22 (IL22), malondialdehyde (MDA), T2 lesions in magnetic resonance imaging (MRI) and expanded disability status scale (EDSS) were assessed at the baseline and then after 6 months.
Results: At baseline, there were no statistically significant differences between the two groups (p > 0.05). After 6 months, the change in the median (interquartile range) of the results for both the intervention and control group were; IL17 (- 1.39 (4.19) vs - 0.93 (5.48), p = 0.48), IL22 (- 0.14 (0.48) vs - 0.09 (0.6), p = 0.53), and EDSS (0 vs 0, p = 1), respectively. The mean (standard deviation) change in MDA for the intervention and control group was - 0.93 (2.2) vs - 0.5 (2.53), p = 0.038, respectively. For MRI results, 21 patients had stationary and regressive course and 1 patient had a progressive course in the intervention arm vs 12 patients had stationary and regressive course and 4 had a progressive course in the control arm, p = 0.14.
Conclusion: Adding metformin to IFNβ-1a demonstrated a potential effect on an oxidative stress marker (MDA). However, there is no statistically significant effect on immunological, MRI and clinical outcomes. We recommend larger scale studies to confirm or negate these findings.
Trial Registration: ClinicalTrials.gov number: NCT05298670, 28/3/2022.
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