AstraZeneca (AZN) said Thursday a phase 3 trial of gefurulimab in adults with anti-acetylcholine receptor antibody-positive generalized myasthenia gravis met primary and all secondary endpoints.
The company said the investigational drug demonstrated a "statistically significant and clinically meaningful" improvement from baseline in Myasthenia Gravis Activities of Daily Living total score at week 26 compared with placebo.
AstraZeneca said gefurulimab, a once-weekly self-administered subcutaneous C5 inhibitor, was well-tolerated and its safety profile was consistent with previous trials.
Shares of the company were up 2% in recent premarket activity Thursday.