However, as PNH becomes more severe, you will begin to notice signs and symptoms that will likely prompt you to seek medical care. Schedule an appointment with your doctor if you have weakness or ...

Regeneron will have a tough job taking on AstraZeneca’s big-selling Ultomiris in the market for paroxysmal nocturnal haemoglobinuria (PNH) therapies – but new biomarker data suggests it could ...