Xin Jing Bao·2025-12-26 07:36Core Insights - AstraZeneca and Ionis Pharmaceuticals have jointly developed Ipupronit Sodium Injection, which has been approved by the National Medical Products Administration for the treatment of adult patients with hereditary transthyretin amyloidosis polyneuropathy (ATTRv-PN) [1] - Ipupronit Sodium is the first and currently the only gene-silencing agent approved for the treatment of ATTRv-PN in China [1] Group 1: Disease Overview - ATTR is caused by the accumulation of misfolded TTR protein produced by the liver, leading to organ damage and failure, with various complications affecting cardiovascular, neurological, and renal health [2] - ATTR has multiple phenotypes, including ATTR-CM (primarily affecting the heart) and ATTRv-PN (primarily affecting the peripheral nervous system), with ATTRv-PN being a debilitating disease that can lead to motor function impairment within five years of diagnosis [2] - The average age of onset for patients in China is 42 years, with a range from 17 to 68 years, and there is a significant delay of 3 to 4 years from symptom onset to diagnosis due to low awareness among the public and healthcare professionals [2] Group 2: Treatment Insights - Ipupronit Sodium is a gene-silencing agent administered once a month, which works by upstream inhibition of TTR protein production, showing potential for treating various types of transthyretin amyloidosis [3] - The approval of Ipupronit Sodium provides new hope for ATTRv-PN patients, as clinical evidence indicates it can halt the progression of neuropathy and significantly improve neurological function and quality of life [3]