Alexion Seeking New Indication for Myasthenia Gravis Drug

The new indication would serve the rare population with refractory gMG who are anti-AChR antibody-positive.
The new indication would serve the rare population with refractory gMG who are anti-AChR antibody-positive.

Alexion has submitted a marketing application to the US Food and Drug Administration (FDA) to extend the indication for Soliris (eculizumab) to be a treatment for patients with refractory generalized myasthenia gravis (gMG) who are anti-acetylcholine receptor (AChR) antibody-positive.

The application submission was supported by data form the Phase 3 REGAIN study. Soliris, a first-in-class terminal complement inhibitor, is currently approved to treat paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS). It previously received Orphan Drug Designation for the treatment of patients with myasthenia gravis (MG).

MG is a debilitating neuromuscular disease in which patients suffer significant muscle weakness throughout the body. The segment of patients the new application is seeking to treat--refractory gMG patients who are anti-AChR antibody-positive – represents an ultra-rare population.

Reference

Alexion submits US and EU applications seeking approval of Soliris® (eculizumab) as a treatment for patients with refractory generalized myasthenia gravis (GMG) [news release]. New Haven, Conn: Alexion newsroom. http://news.alexionpharma.com/press-release/product-news/alexion-submits-us-and-eu-applications-seeking-approval-soliris-eculizuma. Accessed January 17, 2017. 

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