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N-acetylgalactosamine 4-sulfatase — Competitive Intelligence Brief

N-acetylgalactosamine 4-sulfatase (N-acetylgalactosamine 4-sulfatase) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Enzyme replacement therapy. Area: Rare genetic disease / Lysosomal storage disorder.

phase 3 Enzyme replacement therapy GALNS (N-acetylgalactosamine 4-sulfatase) Rare genetic disease / Lysosomal storage disorder Small molecule Live · refreshed every 30 min

Target snapshot

N-acetylgalactosamine 4-sulfatase (N-acetylgalactosamine 4-sulfatase) — BioMarin Pharmaceutical. N-acetylgalactosamine 4-sulfatase is an enzyme replacement therapy that replaces the deficient GALNS enzyme to break down keratan sulfate and chondroitin 6-sulfate in lysosomal storage disease.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
N-acetylgalactosamine 4-sulfatase TARGET N-acetylgalactosamine 4-sulfatase BioMarin Pharmaceutical phase 3 Enzyme replacement therapy GALNS (N-acetylgalactosamine 4-sulfatase)
ALGLUCOSIDASE ALFA (MYOZYME) ALGLUCOSIDASE ALFA (MYOZYME) Genzyme, a Sanofi Company marketed Enzyme replacement therapy Acid alpha-glucosidase (GAA)
Myozyme® (alglucosidase alfa) Myozyme® (alglucosidase alfa) Genzyme, a Sanofi Company marketed Enzyme replacement therapy Acid alpha-glucosidase (GAA); lysosomal glycogen
Elelyso Taliglucerase Alfa Pfizer Inc. marketed Enzyme replacement therapy Glucocerebroside (substrate); mannose receptors on cell surface
Fabrazyme (agalsidase beta) Fabrazyme (agalsidase beta) Genzyme, a Sanofi Company marketed Enzyme replacement therapy (ERT); recombinant enzyme α-galactosidase A (GLA gene product); substrate: globotriaosylceramide (GL-3)
alpha-1-Proteinase Inhibitor alpha-1-Proteinase Inhibitor Institute for Human Genetics and Biochemistry marketed Protease inhibitor / Enzyme replacement therapy Neutrophil elastase
RDD to Palynziq RDD to Palynziq BioMarin Pharmaceutical marketed Enzyme replacement therapy Phenylalanine ammonia-lyase (PAL)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Enzyme replacement therapy class)

  1. BioMarin Pharmaceutical · 5 drugs in this class
  2. Sanofi · 3 drugs in this class
  3. JCR Pharmaceuticals Co., Ltd. · 2 drugs in this class
  4. Genzyme, a Sanofi Company · 2 drugs in this class
  5. Pfizer Inc. · 1 drug in this class
  6. Shire · 1 drug in this class
  7. Alexion Pharmaceuticals, Inc. · 1 drug in this class
  8. University of Missouri-Columbia · 1 drug in this class
  9. Eurofarma Laboratorios S.A. · 1 drug in this class
  10. ISU Abxis Co., Ltd. · 1 drug in this class

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Cite this brief

Drug Landscape (2026). N-acetylgalactosamine 4-sulfatase — Competitive Intelligence Brief. https://druglandscape.com/ci/n-acetylgalactosamine-4-sulfatase. Accessed 2026-05-17.

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