Evaluate PKs and Efficacy Assessment of Palifermin in Patients With Sarcoma

180 mcg/kg 3 days prior to chemotherapy

Single dose 3 days prior to chemotherapy

30 mg/m\^2 IV continuous infusion for 72 hours; days 0, 1, 2 (infusion completing on day 3) (total dose = 90 mg/m\^2).

2.5 g/m\^2 IV bolus over 3 hours, days 0,1, 2, 3 (total dose = 10 g/m\^2); for patients receiving the AI Regimen.

2 mg IV on day 0, for patients with small cell histology receiving the AI Regimen.

120 mg/m\^2 on day 0, for patients receiving the AP Regimen.