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Comparative Efficacy of Risdiplam and Nusinersen in Type 2 and 3 Spinal Muscular Atrophy Patients: A Cohort Study Using Real-World Data Publisher Pubmed



Ashrafi MR1, 2 ; Babaee M3 ; Hashemi Nazari SS4 ; Barzegar M5 ; Ghazavi M6 ; Beiraghi Toosi M7 ; Nafissi S8 ; Inaloo S9 ; Zamani Ghaletaki G1 ; Fatehi F8 ; Heshmat R10 ; Ghahvechi Akbari M11 ; Abdi A12 ; Bakhtiary H13 Show All Authors
Authors
  1. Ashrafi MR1, 2
  2. Babaee M3
  3. Hashemi Nazari SS4
  4. Barzegar M5
  5. Ghazavi M6
  6. Beiraghi Toosi M7
  7. Nafissi S8
  8. Inaloo S9
  9. Zamani Ghaletaki G1
  10. Fatehi F8
  11. Heshmat R10
  12. Ghahvechi Akbari M11
  13. Abdi A12
  14. Bakhtiary H13
  15. Montazerlotfelahi H14
  16. Abbaskhanian A15
  17. Hosseini SA16
  18. Farshadmoghadam H17
  19. Hosseiny SMM18
  20. Shariatmadari F19
  21. Ziaadini B20
  22. Babaei M21
  23. Tavasoli A22
  24. Nikbakht S23
  25. Momen A24
  26. Khajeh A25
  27. Aminzadeh V26
  28. Mollamohammadi M27
  29. Taghdiri MM28
  30. Nasehi MM28
  31. Memarian S1
  32. Badv RS1
  33. Heidari M1
  34. Jafari N28

Source: Journal of neuromuscular diseases Published:2024


Abstract

BACKGROUND: Three medications have been approved for spinal muscular atrophy (SMA) treatment. No head-to-head clinical trials have directly compared the efficacy of nusinersen and risdiplam. We compare the efficacy of them in Type 2 and 3 SMA patients, with 6 months of follow-up. METHODS: A multicenter cohort study was conducted. Demographic, genetic and clinical findings containing Hammersmith Functional Motor Scale Expanded (HFMSE) and revised upper limb module (RULM) scales were gathered. An increase of at least 3 points in HFMSE and RULM scores was considered a positive response. RESULTS: 73 (58.4%) children received risdiplam, and 52 (41.6%) received nusinersen non-randomly, based on clinical decision. The difference in HFMSE and RULM scores compared to the baseline was significant in both groups (P-value <0.001). However, there was no significant difference between mean difference changes in HFMSE and RULM scores between the two groups. 80.4% of patients in the risdiplam group and 72% in the nusinersen group achieved the 3-point cutoff after 6 months, and there is no significant difference between the two groups (P-Value:0.33). CONCLUSIONS: This study showed that both medications significantly changed the HFSME and RULM after 3 and 6 months of follow-up. However, there was no significant difference between the two drugs according to the HFSME.
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