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Nusinersen DNA/RNA Synthesis chemical

Cat.No.E6580

Nusinersen is an 18-mer, 2′-O-(2-methoxyethyl) phosphorothioate antisense oligonucleotide used for treating spinal muscular atrophy (SMA). It binds specifically to the intronic splice silencer N1 (ISS-N1) site in intron 7 of SMN2 pre-mRNA, blocking the binding of splicing repressors hnRNP A1/A2. This promotes inclusion of exon 7 during splicing, restoring full-length SMN protein production in SMA patients.
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Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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Chemical Information, Storage & Stability

Molecular Weight 7124.42 Formula Storage (From the date of receipt)
CAS No. 1258984-36-9 -- Storage of Stock Solutions

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References

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2026-05-01)

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT07047144 RECRUITING
Spinal Muscular Atrophy; SMA; Spinal Muscular Atrophy Type 2; Spinal Muscular Atrophy Type 3; Neuromuscular Manifestations; Anti-myostatin
Scholar Rock, Inc.
2025-09-15 PHASE2
NCT05866419 RECRUITING
Spinal Muscular Atrophy; Spine Deformity; Scoliosis
Alcyone Therapeutics, Inc
2023-11-27
NCT06555419 RECRUITING
Muscular Atrophy, Spinal
Biogen
2025-01-16 PHASE1
NCT05067790 ACTIVE_NOT_RECRUITING
Spinal Muscular Atrophy
Biogen
2022-01-21 PHASE3
NCT04729907 COMPLETED
Muscular Atrophy, Spinal
Biogen
2021-04-19 PHASE3
NCT05522361 UNKNOWN
Spinal Muscular Atrophy
Clinic for Special Children
2022-11-06 PHASE4

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