Safety Evaluation of Prismocitrate 18 in Patients Receiving CRRT

Inclusion Criteria:

* Patients must be ≥18 years of age
* Patients who are candidates for CRRT
* Patients expected to survive for at least 24 hours
* Patients with a contraindication to heparin or an increased risk of hemorrhage
* Patient and/or legally-authorized representative has signed a written informed consent form (ICF) per 21 CFR Part 50.55(e)

Exclusion Criteria:

* Patients with a known allergy to citrate or who have ever experienced an adverse reaction associated with citrate products, including patients with a prior history of citrate toxicity
* Patients with acute liver failure, defined by the occurrence of encephalopathy and hepatic synthetic dysfunction within 26 weeks of the first symptoms of liver disease and without evidence of chronic liver disease
* Patients with acute-on-chronic liver failure characterized by acute decompensation of cirrhosis and a Child-Pugh Liver Failure Score \>10
* Patients with refractory shock and associated lactic acidosis (lactate \>4 mmol/L)
* Patients with a systemic ionized calcium concentration outside the normal physiologic range (1.0 - 1.3 mmol/L), or outside of the laboratory reference range (Note: It is acceptable to provide calcium supplementation or treatment for hypercalcemia to achieve a normal physiologic range prior to therapy initiation)
* Female patients of childbearing potential who are pregnant or breastfeeding. (Note: All female patients, who have not undergone a hysterectomy, bilateral oophorectomy with or without hysterectomy, or has medically documented ovarian failure before study Screening must have a negative serum beta human chorionic gonadotropic \[B-hCG\] pregnancy test at Screening)
* Patients who are currently participating in another interventional clinical study