Study of NM8074 in Patients with AHUS with Evidence of Ongoing Thrombotic Microangiopathy

NM8074 will be administered as an intravenous infusion. In Cohort 1, all subjects will be administered 20 mg/kg of NM8074 intravenously every two weeks for a total of 7 doses from Day 1 to Day 85 of the Treatment Period. Patients in Cohort 2 will receive weekly doses of 10 mg/kg for a total of 4 doses from Day 1 to Day 22 followed by biweekly doses at 20 mg/kg for a total of 5 doses from Day 29 to Day 85.