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Trade names | Zilbrysq |
Other names | RA101495 |
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Routes of administration | Subcutaneous |
Drug class | Complement inhibitor |
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Chemical and physical data | |
Formula | C172H278N24O55 |
Molar mass | 3562.229 g·mol−1 |
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Zilucoplan, sold under the brand name Zilbrysq, is a medication used for the treatment of generalized myasthenia gravis. [1] [4] [5] It is a complement inhibitor that is injected subcutaneously (under the skin). [1]
Zilucoplan is a cyclic peptide that binds to the protein complement component 5 (C5) and inhibits its cleavage into C5a and C5b. [6]
Zilucoplan was approved for medical use in the United States in October 2023, [1] [7] and in the European Union in December 2023. [2]
Zilucoplan is indicated for the treatment of generalized myasthenia gravis in adults who are anti-acetylcholine receptor antibody positive. [1]
In September 2023, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Zilbrysq, intended for the treatment of myasthenia gravis. [8] The applicant for this medicinal product is UCB Pharma S.A. [8] Zilucoplan was approved for medical use in the Europea Union in December 2023. [2]
Zilucoplan was granted orphan drug designation by the US Food and Drug Administration (FDA) in August 2019, [9] and by the EMA in July 2022. [10]
Zilucoplan is the international nonproprietary name. [11]
Zilucoplan is sold under the brand name Zilbrysq. [2]
Myasthenia gravis (MG) is a long-term neuromuscular junction disease that leads to varying degrees of skeletal muscle weakness. The most commonly affected muscles are those of the eyes, face, and swallowing. It can result in double vision, drooping eyelids, and difficulties in talking and walking. Onset can be sudden. Those affected often have a large thymus or develop a thymoma.
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Ravulizumab, sold under the brand name Ultomiris, is a humanized monoclonal antibody complement inhibitor medication designed for the treatment of paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome. It is designed to bind to and prevent the activation of Complement component 5 (C5).
Sutimlimab, sold under the brand name Enjaymo, is a monoclonal antibody that is used to treat adults with cold agglutinin disease (CAD). It is given by intravenous infusion. Sutimlimab prevents complement-enhanced activation of autoimmune human B cells in vitro.
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Pegcetacoplan, sold under the brand name Empaveli, among others, is a medication used to treat paroxysmal nocturnal hemoglobinuria and geographic atrophy of the retina. Pegcetacoplan is a complement inhibitor.
Maralixibat chloride, sold under the brand name Livmarli, is a medication used to treat cholestatic pruritus in people with Alagille syndrome. Maralixibat chloride is an ileal bile acid transporter (IBAT) inhibitor.
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Efgartigimod alfa, sold under the brand name Vyvgart, is a medication used to treat myasthenia gravis. Efgartigimod alfa is a neonatal Fc receptor blocker and is a new class of medication. It is an antibody fragment that binds to the neonatal Fc receptor (FcRn), preventing FcRn from recycling immunoglobulin G (IgG) back into the blood. The medication causes a reduction in overall levels of IgG, including the abnormal acetylcholine receptor (AChR) antibodies that are present in myasthenia gravis. It is also available coformulated with hyaluronidase.
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