The primary objective of this study is to assess the efficacy of a single dose of ravulizumab IV compared with placebo in reducing the risk of the clinical consequences of AKI (MAKE) at 90 days in adult participants with CKD who undergo non-emergent cardiac surgery with CPB.
Who can participate
Inclusion Criteria:
* Participant weighs ≥ 30 kg
* Planned non-emergent sternotomy with CPB procedure for the following surgeries:
* Multi-vessel CABG
* Valve replacement or repair; ascending aorta surgery permitted if combined with aortic valve replacement/repair
* Combined CABG and valve surgery; inclusion of single-vessel CABG when combined with valve replacement/repair is permitted
* Known CKD for at least 90 days (CKD Stage 3A, 3B, or 4)
Exclusion Criteria:
* Emergency or salvage cardiac surgery is expected at screening or randomization, as assessed by the investigator.
* Single-vessel CABG without valve surgery is planned.
* Off-pump surgery is planned (eg, surgery without CPB).
* Recipient of a solid organ or bone marrow transplantation.
* Cardiogenic shock, hemodynamic instability, use of intra-aortic balloon pump, extracorporeal membrane oxygenation, or left ventricular assist device within 72 hours of randomization.
* Active systemic bacterial, viral, or fungal infection within 14 days prior to randomization.
* History of unexplained, recurrent infection.
* Any use of KRT or presence of AKI within 30 days of randomization
* Use of any complement inhibitors, or plasmapheresis or plasma exchange within the year prior to Screening, or planned use during the course of the study.
* Participant is not willing to be vaccinated against N meningitidis or is unwilling to receive prophylactic treatment with appropriate antibiotics , if needed
* History of or unresolved N meningitidis infection.
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