Drug profile

Nusinersen

CAS No.1258984-36-9
ATCM09AX07
Therapeutic areaNeurology / Spinal muscular atrophy
OriginatorIonis Pharmaceuticals / Biogen
GenericRadar assessment

Patent Radar Assessment

Grade A2 United States · 2030 Radar
Verification HIGH
Why Grade A?

FDA June 2026 Orange Book cumulative supplement lists US8361977 as Drug Substance/Drug Product for SPINRAZA expiring 2030-12-23.

Core Patent Expiry 2030-12-23
2030 Target Event US8361977
Drug Substance / Drug Product · 2030-12-23
Core API Event? Yes
Later Blocking Patents

Yes. SPINRAZA has method/use patents in 2030 and other patents extending beyond 2030, including 2034-2035.

Generic Entry Assessment

Strong 2030 DS/DP radar event. Because nusinersen is an antisense oligonucleotide, manufacturing/regulatory sourcing should be treated separately from conventional small-molecule API sourcing.

Patent landscape

CountryPatent no.TypeExpiryStatusVerifiedOpportunity
United StatesUS8361977Drug Substance / Drug Product2030-12-23ProtectedYes63

API sourcing

Regulatory filing labels distinguish verified/listed records from records that have not yet been verified. “Not verified” does not mean that a filing does not exist.

APIManufacturerCountry US DMFKDMFJapan MFCEPEU GMPStatus
Nusinersen sodium Aurisco Pharmaceutical China ✓ Listed Not verified Not verified Not verified Not verified US DMF listed
Nusinersen sodium Chongqing Carelife Pharmaceutical China ✓ Listed Not verified Not verified Not verified Not verified US DMF listed
Nusinersen sodium Ionis Pharmaceuticals United States Not verified Not verified Not verified Not verified Not verified Innovator / bulk API source
Nusinersen sodium Shandong Anxin Pharmaceutical China ✓ Listed Not verified Not verified Not verified Not verified US DMF listed
Nusinersen sodium Shanghai Sine Pharmaceutical Laboratories Co.,Ltd. China ✓ Listed Not verified Not verified Not verified Not verified US DMF listed
Nusinersen sodium Sichuan Gowell Pharmaceutical China ✓ Listed Not verified Not verified Not verified Not verified US DMF listed