- Serum creatinine > 2.0; the Fred Hutchinson Cancer Research Center (FHCRC) Patient Care Conference (PCC) may approve patients with elevated serum creatinine following presentation and approval; centers outside the FHCRC that have a PCC or equivalent should obtain their institutional approval; if there is not a comparable group at the institution, please contact the FHCRC Principal Investigator for FHCRC approval through PCC