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Johnson & Johnson says nipocalimab approved in China

By Thomson Reuters May 21, 2026 | 3:31 AM

SHANGHAI, May 21 (Reuters) – Johnson & Johnson’s nipocalimab treatment for a type of muscle-weakening disorder received ​approval from China’s National ‌Medical Products Administration, the U.S. drugmaker said on Thursday on WeChat.

The drug, acquired by J&J through its $6.5 billion buyout ‌of ​Momenta in 2020, ⁠is expected to ⁠bring in blockbuster revenue and drive growth, Reuters has reported previously.

It was approved in China to treat ​patients aged 12 years and older with a form ⁠of generalized myasthenia ⁠gravis – an immunity-related disorder that ​weakens the skeletal muscles, especially those ​in the eyes, mouth, throat ‌and limbs.

J&J has also won approval for the drug in other markets including the U.S., Brazil ⁠and Japan.

A spokesperson for J&J did not immediately respond to a request for ⁠comment ‌on pricing or when ⁠it might launch in ​China.

In ‌China, other drugmakers with approved ​generalized ⁠myasthenia gravis treatments include Hansoh Pharmaceutical Group, Zai Lab and Argenx SE.

(Reporting by Andrew Silver in Shanghai; Editing by Tomasz Janowski and ​Thomas Derpinghaus)