Steroid wean during LD IL-2 course. (A) Waterfall plots show decrease in steroid dose over time as compared with the dose at time of LD IL-2 start. (B) Steroid dose in mg/kg per day while on LD IL-2 therapy shown as mean with standard deviation in patients who were evaluable (n = 13). Baseline refers to steroid dose at time of LD IL-2 initiation. Final refers to steroid dose at time of LD IL-2 discontinuation. ∗∗P < .01.