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Zilucoplan: First Approval

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Version 2 2023-12-05, 22:34
Version 1 2023-12-04, 04:30
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posted on 2023-12-05, 22:34 authored by Matt Shirley


Funding The preparation of this review was not supported by any external funding.
Authorship and Conflict of interest During the peer review process the manufacturer of the agent under review was offered an opportunity to comment on the article. Changes resulting from any comments received were made by the author on the basis of scientific completeness and accuracy. Matt Shirley is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to this article and are responsible for its content.
Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability Not applicable.

Additional information about this Adis Drug Review can be found here


Zilucoplan (Zilbrysq®) is a subcutaneously administered macrocyclic peptide inhibitor of complement component 5 (C5 inhibitor) being developed by UCB for the treatment of generalised myasthenia gravis (gMG). Zilucoplan received its first approval, in Japan, in September 2023 for the treatment of gMG in adult patients who inadequately respond to steroids or other immunosuppressants and are positive for anti-acetylcholine receptor (AChR) antibodies. Subsequently, zilucoplan was approved in the USA in October 2023 for the treatment of gMG in adult patients who are anti-AChR antibody positive and in the EU in December 2023 as an add-on to standard therapy for the treatment of gMG in adult patients who are anti-AChR antibody positive. Zilucoplan is also currently under regulatory review in Australia and Canada for use in the treatment of gMG. This article summarises the milestones in the development of zilucoplan leading to this first approval for gMG.


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