Must be obtained within days prior to registration for protocol therapy: Creatinine =< . x upper limit of normal (ULN) OR measured or calculated a creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Within days of treatment initiation: Serum creatinine =< . x ULN OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN Within days of treatment initiation:\r\nSerum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) >= mL/min for subject with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN (within days of treatment initiation) Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subjects with creatinine levels > . x institutional ULN obtained within days prior to registration Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN (up to days before treatment initiation) Within days of treatment initiation:\r\nSerum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< serum creatinine =< . x upper limit of normal (ULN) or creatinine clearance (CrCl) >= mL/min (if using the Cockcroft-Gault formula), performed within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard COHORT : Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or corrected creatinine [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation COHORT : Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (GFR can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation SAFETY RUN-IN: Within days of registration: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN RANDOMIZED PHASE II CLINICAL TRIAL: Within days of registration: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (GFR can also be used in place of CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X ULN OR creatinine clearance (measured or calculated) >= mL/min for participants with creatinine levels > . X ULN (glomerular filtration rate [GFR] can be used in place of creatinine or creatinine clearance), performed within days of treatment initiation Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Within (except as noted) days of planned treatment initiation: Serum creatinine =< . x the upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for patients with creatinine levels > . x institutional ULN (calculated per institutional standard). (glomerular filtration rate can be used in place of creatinine or creatinine clearance) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance >= mL/min for patient with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard. Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Within days of treatment registration: Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN (creatinine clearance should be calculated per institutional standard), performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of D of treatment under LCCC Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN (performed within days of treatment initiation) Serum creatinine =< . X institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance should be calculated per institutional standard (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of study registration Performed within business days of treatment initiation with the exception of beta- HCG ( hours), if applicable: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN At time of registration and within weeks prior to initiating on-protocol treatment: Creatinine =< . x upper limit of normal (ULN), OR measured or calculated creatinine clearance (glomerular filtration rate (GFR) can also be used in place of creatinine or CrCl) >= mL/min/.m^ for participants with creatinine levels > x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard. For participants with a baseline calculated creatinine clearance below normal institutional laboratory values, a measured baseline creatinine clearance should be determined. Individuals with higher values felt to be consistent with inborn errors of metabolism will be considered on a case-by-case basis. Within days prior to the start of study treatment: Creatinine =<. x upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) >= mL/min for participant with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance\r\n(glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation Performed within days of treatment initiation: Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN, should be performed within days of treatment initiation Serum creatinine =< . x institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCL) >= mL/min (creatinine clearance should be calculated per institutional standard); glomerular filtration rate (GFR) can also be used in place of creatinine of CrCl Serum creatinine =< . X upper limit of normal (ULN) OR Measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]), performed within days of treatment Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance ? mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or corrected creatinine [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation Performed within days of treatment initiation: serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Should be performed within days of treatment initiation: Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) ? mL/min for subject with creatinine levels ? . X institutional ULN Within days of cycle day : Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (performed within days of treatment initiation) (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Within days prior to the start of study treatment: Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional upper limit of normal (ULN). Creatinine clearance should be calculated per institutional standard. Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance\r\n(glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN To be performed within days of treatment initiation: serum creatinine ? . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Within days of treatment initiation: Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN. Note: Creatinine clearance should be calculated per institutional standard. Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =<. X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]), performed within days of treatment initiation\r\n* Creatinine clearance should be calculated per institutional standard Performed within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) =< . x upper limit of normal (ULN) OR =< mL/min for subject with creatinine levels > . x institutional ULN.\r\n* Creatinine clearance should be calculated per institutional standard. Within days of registration: Creatine =< . x upper limit of normal (ULN) OR measure or calculateda creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= . mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Within days prior to on-study date: Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine < . mg/dl OR measured or calculated creatinine clearance (GFR can also be used in place of creatinine or CrCl) ? ml/mm within days prior to on study status\r\n* Creatinine clearance should be calculated per institutional standard Creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Within days prior to enrollment: Serum creatinine OR measured calculated creatinine clearance (glomerular filtration rate [GFR] may also be used in place of creatinine or creatinine clearance [CrCl]) =< . upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels >= . X institutional ULN Serum creatinine adults: =< . X upper limit of normal (ULN) children age >= : =< . mg/dL OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) OR >= mL for subject with creatinine levels > . X institutional ULN (CrCl should be calculated per institutional standard) Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Within days of treatment initiation: Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) (performed within days of treatment initiation) Performed within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (creatinine clearance should be calculated per institutional standard) (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation Performed within days of treatment initiation: Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN Performed within days of treatment initiation: Serum creatinine =< . upper limit of normal (ULN) OR measured calculated creatinine clearance (glomerular filtration rate [GFR] may also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels >= . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject Serum creatinine OR measured or calculated a creatinine clearance (GFR can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR serum creatinine clearance (CL) > mL/min by the Cockcroft-Gault formula or by -hour urine collection for determination of creatinine clearance Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]); serum creatinine =< . x upper limit of normal (ULN) or creatinine clearance >= mL/min (if using Cockcroft-Gault formula), performed within days of protocol registration Performed within days of treatment initiation: Serum creatinine or measured or calculated creatine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrcL]) =< . x upper limit of normal (ULN) or >= mL/min for subject with creatinine levels > . x institutional ULN. Creatinine clearance should be calculated per institutional standard Creatinine =< . x ULN OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN; (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) Within days prior to registration for protocol therapy: Creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Performed within days of treatment initiation: Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per Cockcroft-Gault equation Determined within weeks of treatment initiation: Serum creatinine =< . x ULN or a measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN (Note: creatinine clearance need not be determined if the baseline serum creatinine is within normal limits; glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation; creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR calculated creatinine clearance (CrCL) per institutional standard (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . x institutional ULN Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) =< . X institutional upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of registration Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min creatinine clearance Performed within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) Or measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance\r\n(glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN (performed within days of registration) Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) or >= mL/min for subject with creatinine levels > . x institutional ULN performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . X upper limit of normal (ULN) or measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN (within - days of treatment initiation) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) OR >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation Creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN; Note: creatinine clearance should be calculated per institutional standard performed within days of treatment initiation Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN, during screening and on cycle , day Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation Serum creatinine OR measured or calculated creatinine clearance (should be calculated per institutional standard) (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels =< . X institutional ULN (performed within days of treatment initiation) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Within days of treatment initiation: Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine: =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for participant with creatinine levels > . X institutional ULN; glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) Completed within days of SBRT treatment initiation: Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . x ULN OR creatinine clearance (if measured or calculated per institutional standard) >= mL/min if creatinine levels > . x ULN\r\n* Glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN within days prior to registration Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or calculated creatinine clearance [CrCl]) creatinine clearance >= mL/min (for subject with creatinine levels > . X institutional ULN) determined by -hour collection or estimated by Cockcroft-Gault formula Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min/. m^ for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]), performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional upper limit of normal (ULN) Serum creatinine =< . X upper limit of normal (ULN) or measured or calculated creatinine clearance (CrCl) (Glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min CrCl using the Cockroft-Gault formula Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN (IULN); creatinine clearance should be calculated per institutional standard Performed days prior to study registration up to the first dose of study drug: serum creatinine or measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) or >= mL/min CrCl using the Cockroft-Gault formula Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance\r\n(glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]), performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) or measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN; glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) (within days of treatment initiation)\r\n* Creatinine clearance should be calculated per institutional standard Performed within days (+ working days) of treatment initiation: Serum creatinine OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Note: creatinine clearance should be estimated per institutional standard Serum creatinine =< . X upper limit of normal (institutional upper limit of normal, IULN) OR measured or calculated creatinine clearance (GFR can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Performed within days of treatment initiation: Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance rate [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= ml/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance rate [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Performed within days prior to study registration up to the first dose of study drug: Serum creatinine or measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or calculated creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) or >= mL/min for subject with creatinine levels > . X institutional ULN (creatinine clearance should be calculated per institutional standard) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated* creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN; (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine or measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) or >= mL/min for subject with creatinine levels > . X institutional ULN (creatinine clearance should be calculated per institutional standard), performed within days of treatment initiation Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Performed within days of treatment initiation; serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) ? mL/min for subject with creatinine levels > . X institutional ULN \r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated* creatinine clearance >= mL/min for subject with creatinine levels > . X institutional upper limit of normal (ULN) (glomerular filtration rate [GR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Note: creatinine clearance should be calculated per institutional standard Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearnace [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, should be performed within days of treatment initiation Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) ? ml/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated by Cockcroft-Gault Serum creatinine ? . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) ? mL/min for subject with creatinine levels > . X institutional ULN within days of treatment initiation\r\n* Glomerular filtration rate (GFR) can also be used in place of creatinine or CrCl All screening labs should be performed within days (+ working days) of treatment initiation: serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN; Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (GFR can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation Within days of treatment initiation: Serum creatinine within upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance must be >= mL/min for subjects with creatinine levels > . X ULN using the Cockcroft-Gault formula (glomerular filtration rate [GFR] >= mL/min [. mL/s/m^] can also be used in place of creatinine or creatinine clearance [CrCl]) obtained =< days prior to registration Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance >= mL/min for patient with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation Serum creatinine <= . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . X ULN or measured or calculated creatinine clearance (CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl); creatinine clearance should be calculated per institutional standard Serum creatinine =< . x institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance rate [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN Creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for participant with creatinine levels > . x institutional ULN, specimens must be collected within days prior to the start of study treatment\r\n* Creatinine clearance (CrCl) should be calculated per institutional standard Within days prior to treatment initiation: Serum creatinine =< . X institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl])\r\n* Creatinine clearance should be calculated per institutional standard Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine < . X institutional ULN OR measured or calculated* creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Renal function: Creatinine ?.x ULN OR measured or calculated creatinine clearance (Glomerular filtration rate [GFR]) can also be used in place of creatinine or CrCl) > mL/min for subjects with creatinine levels > .x institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated* creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrC])\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) or measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or calculated creatinine clearance [CrCl]) Serum creatinine =< . x ULN OR creatinine clearance (if measured or calculated per institutional standard; glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min if creatinine levels > . x ULN (within days prior to day of protocol therapy) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN (performed within days of treatment initiation)\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN, performed within days of treatment initiation Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for participant with creatinine levels > . x institutional ULN (within days of treatment initiation) Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN; creatinine clearance should be calculated per institutional standard, should be performed within days of treatment initiation, unless otherwise indicated Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]); creatinine clearance should be calculated per institutional standard Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional upper limit of normal (ULN) Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) (creatinine clearance will be calculated per institutional standard) =< . upper limit of normal (ULN) OR >= mL/min GFR or CrCl for subjects with creatinine levels > . institutional ULN, performed within days of treatment initiation Serum creatinine =< . x ULN OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl)\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN; creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days prior to registration Within days of treatment initiation: Serum creatinine =< . X institutional upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) >= mL/min for subject with creatinine levels > . X institutional ULN Performed within days of radiation therapy: Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN; (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . X institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]); creatinine clearance should be calculated per institutional standard, performed within days of treatment initiation Serum creatinine =< . upper limit of normal (ULN) OR measured calculated creatinine clearance >= mL/min for subject with creatinine levels >= . X institutional ULN (glomerular filtration rate [GFR] may also be used in place of creatinine or creatinine clearance [CrCl]) Serum creatinine =< . x ULN OR measured or calculated* creatinine clearance (CrCl) (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard (labs should be performed within days of treatment initiation) Creatinine less than or equal to . x institutional upper limit of normal (ULN) or measured or calculated creatinine clearance greater than or equal to mL/min for subject with creatinine levels greater than . x institutional ULN; (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) (creatinine clearance should be calculated per institutional standard) Serum creatinine OR measured or calculated (creatinine clearance should be calculated per institutional standard) creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x institutional upper limit of normal (ULN) OR (measured via -hour urine collection) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN\r\n* Creatinine clearance should be calculated per institutional standard Serum creatinine =< . X upper limit of normal (ULN) or measured or calculated creatinine clearance\r\n(glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN within days of treatment initiation; (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]); creatinine clearance should be calculated per institutional standard Performed within days of treatment initiation: Serum creatinine =< . x ULN OR measured or calculated creatinine clearance >= mL/min for subject with creatinine clearance (CrCl) levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or CrCl) Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Creatinine OR Measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN Performed within days of treatment initiation: Measured or calculated creatinine clearance >= mL/min for patient with creatinine levels > . x institutional ULN\r\n* Creatinine clearance (CrCl) should be calculated per institutional standard; glomerular filtration rate (GFR) can also be used in place of creatinine or CrCl Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance [CrCl]) =< . x upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . x institutional ULN (performed within days of treatment initiation) Serum creatinine OR measured or calculated creatinine clearance within normal institutional limits; glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) within normal institutional limits as adjusted for age and sex Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, performed within days of treatment initiation Serum creatinine: =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance >= mL/min for participant with creatinine levels > . X institutional ULN (using Cockcroft-Gault equation), glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl) Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min using the Cockcroft-Gault formula for subject with creatinine levels > . x institutional upper limits of normal (ULN), obtained within days prior to C-AMT PET scan Serum creatinine =< . X upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . X institutional ULN, obtained =< days prior to registration Serum creatinine =< . x upper limit of normal (ULN) OR measured creatinine clearance >= mL/min for subject with creatinine levels > . x institutional ULN (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCL]); creatinine clearance should be calculated per institutional standard, performed within days of treatment initiation Serum creatinine =< . x upper limit of normal (ULN) OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) >= mL/min for subject with creatinine levels > . x institutional ULN Serum creatinine OR measured or calculated creatinine clearance (glomerular filtration rate [GFR] can also be used in place of creatinine or creatinine clearance [CrCl]) =< . X upper limit of normal (ULN) OR >= mL/min for subject with creatinine levels > . X institutional ULN