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Overall survival by treatment response, all patients. Definitions of groups: Complete response (decrease in serum creatinine from the day before treatment initiation to a level of ≤1.5 mg/dL by end of therapy; Partial response (decrease in serum creatinine of ≥20% from the day before treatment initiation to a level >1.5 mg/dL by end of therapy); No response (decrease in serum creatinine of <20% from the day before treatment initiation by end of therapy)
