AstraZeneca announces positive results from phase III CHAMPION-MG trial of Ultomiris in adults with generalised myasthenia gravis
New, prolonged follow-up results from the phase III CHAMPION-MG trial open-label extension (OLE) showed that Ultomiris (ravulizumab-cwvz) demonstrated long-term efficacy in adults with anti-acetylcholine receptor (AChR) antibody-positive generalised myasthenia gravis (gMG), with improvements in activities of daily living, muscle strength and quality of life, sustained through 60 weeks. Ultomiris was also well tolerated throughout this analysis. Results from the trial were presented on 5 April at the 2022 American Academy of Neurology (AAN) Annual Meeting. gMG is a rare, debilitating, chronic, autoimmune neuromuscular disease that leads to a loss of muscle function and severe weakness. Symptoms of gMG may include disabling fatigue, slurred speech, difficulty swallowing and eating, double or blurred vision, immobility requiring assistance, shortness of breath, and episodes of respiratory failure. Professor James F. Howard, Jr, MD, Department of Neurology at The University of North Carolina School of Medicine and lead primary investigator in the CHAMPION-MG trial said:

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