NO hepatic artery embolization or cryoablation/radiofrequency ablation of hepatic metastasis within 2 months of study treatment start Hemoglobin >/= 9 g/dL Hepatic Function Hepatic function as follows: Adequate hepatic function as evidenced by: The following criteria for evidence of adequate hepatic function performed within 2 weeks prior to study entry must be met: Adequate hepatic function Adequate hepatic function Subjects with documented hepatic metastases involving >50% of the hepatic parenchyma. Adequate hepatic function: Patients must have adequate hepatic function as evidenced by: The following criteria for evidence of adequate hepatic function performed within 28 days prior to randomization must be met: Adequate hepatic function Adequate hepatic function. Adequate hepatic function, as follows: Adequate hepatic function Adequate hepatic profile. Adequate hepatic profile: Poorly controlled or refractory (grade 3-4) hepatic encephalopathy Adequate hepatic function Hepatic function, as follows: Adequate hepatic function as defined as follows: Adequate hepatic function defined as: The patient has adequate hepatic function per protocol Patients with history of hepatic dysfunction or hepatic disease and abnormal liver function tests defined aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline (Alk) phosphatase (Phos), and or total bilirubin greater than 2.5 times the upper limit of normal; patients who have a history of hepatic dysfunction or hepatic disease and normal liver function tests will be eligible to participate Hepatic function: Hepatic Function: Have adequate hepatic function as defined by the following criteria: Hepatic Adequate hepatic function: Has adequate hepatic function, defined as: The following criteria for evidence of adequate hepatic function performed within 4 weeks prior to study entry must be met: Patient must not have a diagnosis of hepatic encephalopathy History of hepatic disease or significant hepatic dysfunction Adequate hepatic function performed within 4 weeks prior to study entry must be met: Hepatic metastases Adequate hepatic function within 48 hours prior to induction chemotherapy Adequate hepatic function Have adequate hepatic function Patients with abnormal hepatic function will be eligible and will be grouped according to criteria; patients with active hemolysis should be excluded; no distinction should be made between liver dysfunction due to metastases and liver dysfunction due to other causes; this data will be captured in the case report form (CRF); registration laboratory investigations will be used to assign a patient to a hepatic function group; hepatic function tests should be repeated within 24 hours prior to starting initial therapy and may result in patients’ group assignment being altered if different to registration test results Hepatic encephalopathy refractory to medical therapy Hepatic Function: Has had clinically diagnosed hepatic encephalopathy in the last 6 months. Have adequate hepatic function. Adequate hepatic function History of hepatic encephalopathy Any history of hepatic encephalopathy Ongoing or recent hepatic encephalopathy Any history of hepatic encephalopathy Hepatic function: The following criteria for evidence of adequate hepatic function performed within 4 weeks prior to randomization must be met: Hepatic function: Adequate hepatic function Presence of hepatic encephalopathy within 4 weeks of 1st dose Patient has adequate hepatic function defined as: Patients must have adequate hepatic function, defined as Hepatic Hepatic encephalopathy Subjects must have adequate hepatic function as evidenced by: Adequate hepatic function is defined by the following: History of hepatic encephalopathy Hepatic encephalopathy Subjects must have adequate hepatic function as evidenced by: Adequate hepatic function as evidenced by serum bilirubin values < 2.0 mg/dL; ALT and/or AST < 3xULN. Patients with more than 30% replacement of hepatic parenchyma by tumor or any history of drug related hepatic encephalopathy Adequate hepatic function Hepatic Adequate hepatic function with bilirubin < 1.5 mg/dl Adequate hepatic function. Must have adequate hepatic function Adequate hepatic function Adequate hepatic function Has adequate hepatic function as evidenced by: Patients with history of hepatic dysfunction or hepatic disease and abnormal liver function tests; patients who have a history of hepatic dysfunction or hepatic disease and normal liver function tests will be eligible to participate Known active hepatic disease Participants with abnormal hepatic function Patients must have adequate hepatic function, defined as: Hepatic: Hepatic function, as follows: Hepatic function, as follows: Recipient must have adequate hepatic function as defined by a total bilirubin <3x upper limit of normal or absence of hepatic fibrosis/cirrhosis. Adequate hepatic function: Hepatic encephalopathy, per the investigator's evaluation. Adequate hepatic function per institutional standards Alcoholism or hepatic disease. Adequate hepatic function. Adequate hepatic function. Basic metabolic and hepatic function panels Patients with history of hepatic dysfunction or hepatic disease and abnormal liver function tests (previously documented alanine aminotransferase greater than 40 IU/dL and/or plasma aspartate aminotransferase greater than 45 IU/d); patients who have a history of hepatic dysfunction or hepatic disease but whose most recent liver function tests have been documented as normal will be eligible to participate Chronic hepatic disease Patients with history of hepatic dysfunction or hepatic disease and abnormal liver function tests; patients who have a history of hepatic dysfunction or hepatic disease and normal liver function tests will be eligible to participate Adequate hepatic function defined as: No parenchymal hepatic metastases Clinically detectable hepatic encephalopathy or hepatic encephalopathy requiring medication Adequate hepatic function within 28 days prior to C1D1 Patients with history of hepatic dysfunction or hepatic disease Episodes of hepatic encephalopathy within the last 4 weeks. Patients with prior episodes of hepatic encephalopathy who are clinically stable on lactulose, neomycin, and/or xifaxan therapy are allowed.