A multicenter, single arm, open-label trial to evaluate efficacy and safety of oral, twice daily iptacopan in adult PNH patients who have Hb >=10 g/dL in response to anti-C5 antibody and switch to iptacopan

This is a multicenter, single-arm, open label trial, with iptacopan treatment for 24 weeks in adult PNH patients. Eligible participants must have a mean Hb ≥10 g/dL in response to a stable regimen with anti-C5 for at least 6 months and must be transfusion free for the same period.