Apitegromab

Common card · No. 290685

Apitegromab, sold under the brand name Isembyld, is a fully human IgG4 lambda monoclonal antibody used for the treatment of spinal muscular atrophy. It is a recombinant monoclonal antibody targeting proforms of myostatin. The most common side effects include upper respiratory tract infections, vomiting, cough, other viral infections, headache, gastroenteritis, and pharyngitis (sore throat). Apitegromab was approved for medical use in the United States in September 2026.

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