Blood urea nitrogen (BUN) within 1.5 times the institutional upper limit of normal (ULN) (e.g., if the ULN is 20 mg/dL, then BUN up to 30 mg/dL is permitted)Xx_NEWLINE_xXBlood urea nitrogen measurement (BUN) < 30 mg/dLXx_NEWLINE_xXAlbumin, alkaline phosphatase, bicarbonate, blood urea (BUN), chloride, glucose, phosphorus, and total protein must be assessed within 28 days of registrationXx_NEWLINE_xXBlood urea nitrogen (BUN) < 25 mg/dLXx_NEWLINE_xXPatients must have blood urea nitrogen (BUN), alkaline phosphatase, sodium, potassium, calcium, glucose, chloride, and bicarbonate levels obtained within 14 days prior to registrationXx_NEWLINE_xXPrestudy history and physical must be obtained within 90 days prior to registration; patients must have a complete blood count (CBC) and basic metabolic panel including creatinine, potassium, chloride, blood urea nitrogen (BUN), carbon dioxide (CO2) and glucose within 28 days prior to registrationXx_NEWLINE_xXBlood urea nitrogen (BUN) < 30mg/dlXx_NEWLINE_xX