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Ultomiris regulatory submission accepted under FDA priority review in the US for adults with generalised myasthenia gravis.

Read time: 1 mins
Published:22nd Dec 2021
The supplemental Biologics License Application (sBLA) for Ultomiris (ravulizumab-cwvz) in adults with generalised myasthenia gravis (gMG) has been accepted for Priority Review by the FDA.

The FDA set a Prescription Drug User Fee Act date during the second quarter of 2022, following use of a rare disease priority review voucher by Alexion, AstraZeneca’s Rare Disease group.

gMG is a rare, debilitating, chronic, autoimmune neuromuscular disease that leads to a loss of muscle function and severe weakness. The diagnosed prevalence of gMG in the US is estimated at 64,000.

The sBLA submission in the US is based on results from the Phase III trial of Ultomiris in gMG, which were announced by Alexion in July 2021, and showed efficacy as early as Week 1 and sustained for 52 weeks (26 weeks randomised controlled period + 26 weeks of open-label extension). In the trial, the safety profile of Ultomiris was consistent with that observed in Phase III trials of Ultomiris in paroxysmal nocturnal haemoglobinuria (PNH) and atypical haemolytic uraemic syndrome (aHUS).

Regulatory submissions for Ultomiris for the treatment of gMG are also currently under review with health authorities in the European Union (EU) and Japan.

Condition: Myasthenia Gravis
Type: drug

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