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Nipocalimab: First Approval

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Abstract

Nipocalimab (nipocalimab-aahu; IMAAVY™) is a fully human monoclonal antibody that binds to and blocks the neonatal fragment crystallizable (Fc) receptor (FcRn) resulting in the reduction of circulating IgG levels. It is being developed by Johnson & Johnson for the treatment of a number of autoimmune disorders. On 29 April 2025, nipocalimab received its first approval in the USA for the treatment of generalized myasthenia gravis in adult and pediatric patients ≥ 12 years of age who are anti-acetylcholine receptor or anti-muscle specific tyrosine kinase antibody positive. Regulatory review of nipocalimab is underway for generalized myasthenia gravis in Japan and the European Union. This article summarizes the milestones in the development of nipocalimab leading to this first approval for generalized myasthenia gravis.
Title
Nipocalimab: First Approval
Author
Simon Fung
Publication date
08-08-2025
Publisher
Springer International Publishing
Published in
Drugs / Issue 9/2025
Print ISSN: 0012-6667
Electronic ISSN: 1179-1950
DOI
https://doi.org/10.1007/s40265-025-02211-y
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