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LETTER TO EDITOR
Year : 2020  |  Volume : 7  |  Issue : 3  |  Page : 155

Siponimod in secondary progressive multiple sclerosis


Department of Medicine, Federal University of Santa Maria, Santa Maria, Rio Grande do Sul, Brasil, Brazil

Date of Submission16-Mar-2019
Date of Acceptance16-May-2020
Date of Web Publication26-Aug-2020

Correspondence Address:
Dr. Jamir Pitton Rissardo
Rua Roraima, Santa Maria, Rio Grande do Sul
Brazil
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/iahs.iahs_23_20

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How to cite this article:
Rissardo JP, Caprara AL. Siponimod in secondary progressive multiple sclerosis. Int Arch Health Sci 2020;7:155

How to cite this URL:
Rissardo JP, Caprara AL. Siponimod in secondary progressive multiple sclerosis. Int Arch Health Sci [serial online] 2020 [cited 2020 Sep 26];7:155. Available from: http://www.iahs.kaums.ac.ir/text.asp?2020/7/3/155/293493



Dear Editor,

We read the article entitled, “A Pilot Study of Fear of Disease Consequences and Its Relationship with Quality of Life, Depression and Anxiety in Patients with Multiple Sclerosis,” on the “International Archives of Health Sciences” with great interest. Azami-Aghdash et al. performed a cross-sectional study in 70 patients diagnosed with multiple sclerosis. They observed a significant relationship between fear of disease and symptoms of depression and anxiety. Furthermore, a linear regression analysis showed a strong correlation between depression and/or anxiety and quality of life.[1]

MS is an autoimmune disease that affects the central nervous system, which is pathologically characterized by chronic inflammation, demyelination, gliosis, and neuronal loss. The epidemiology of this disease defines itself importance, approximately more than three hundred thousand individuals in the United States and two million individuals worldwide have MS. The course may be relapsing-remitting or progressive in nature, divide between primary and secondary. To the diagnosis, the dissemination in time and the dissemination in space need to be assessed. The primary goal in the treatment of multiple sclerosis is to prevent areas of damage by using maintenance therapies also known as disease-modifying therapies.[2]

Herein, we would like to discuss siponimod a novel drug approved in March 2019 by the Food and Drug Administration for clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease.[3] The approval comes after the EXPAND trial, in which more than one thousand individuals with secondary progressive MS and moderate-to-severe Expanded Disability Status Scale used oral siponimod once a day for a period of 3 years or if they have recurrent symptoms. The mechanism is unknown, but it is known that siponimod binds with higher affinity in sphingosine-1-phosphate, modulating this receptor, which probably reduces the peripheral blood lymphocytes and thereby the lymphocyte migration to the central nervous system. The oral availability is more than 80%, the peak plasma could be achieved within 4 h, almost total protein-bound, and in rat models showed that crosses the blood–brain barrier.[4]

One important fact about siponimod is that is an oral medication, which is good due to easy maintenance, unnecessity of time for infusions, and for patients with needle concern. Another interesting point was the approval for secondary progressive disease, in which only a small list of medications has shown efficacy. The drugs until now preferred for this severe form include ocrelizumab, cladribine, and siponimod. Furthermore, it is worthy of mentioning that the approval of them was only within the last 3 years.[5]

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Azami-Aghdash S, Ghojazadeh M, Naghavi-Behzad M, Derakhshani N, Asl VP, Samei B. A pilot study of fear of disease consequences and its relationship with quality of life, depression and anxiety in patients with multiple sclerosis. Int Arch Health Sci 2019;6:132.  Back to cited text no. 1
  [Full text]  
2.
Zamora EA, Aeddula NR. Tuberous sclerosis. StatPearls: StatPearls Publishing; 2019.  Back to cited text no. 2
    
3.
Abell A. FDA approves two new oral drugs for relapsing forms of MS. Pharmacy Today 2019;25:20-1.  Back to cited text no. 3
    
4.
Kappos L, Bar-Or A, Cree BAC, Fox RJ, Giovannoni G, Gold R, et al. Siponimod versus placebo in secondary progressive multiple sclerosis (EXPAND): A double-blind, randomised, phase 3 study. Lancet 2018;391:1263-73.  Back to cited text no. 4
    
5.
Brown JW, Coles A, Horakova D, Havrdova E, Izquierdo G, Prat A, et al. Association of initial disease-modifying therapy with later conversion to secondary progressive multiple sclerosis. JAMA 2019;321:175-87.  Back to cited text no. 5
    




 

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