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N-acetylgalactosamine 4-sulfatase — Competitive Intelligence Brief
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)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / 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)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (Enzyme replacement therapy class)
- BioMarin Pharmaceutical · 5 drugs in this class
- Sanofi · 3 drugs in this class
- JCR Pharmaceuticals Co., Ltd. · 2 drugs in this class
- Genzyme, a Sanofi Company · 2 drugs in this class
- Pfizer Inc. · 1 drug in this class
- Shire · 1 drug in this class
- Alexion Pharmaceuticals, Inc. · 1 drug in this class
- University of Missouri-Columbia · 1 drug in this class
- Eurofarma Laboratorios S.A. · 1 drug in this class
- 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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