Effect on QTc, Pharmacokinetics, Safety, and Preliminary Efficacy of Single-agent Palifosfamide-tris in Subjects With Advanced Solid Tumors

palifosfamide-tris IV infusion of 150 mg/m2 on Days 1, 2 and 3 every three weeks (21 day cycle)

0.9% Normal Saline 250 ml IV infusion on Cycle 1 Day -1