ZIOP Phase 3 Trial of Palifosfamide in First-Line Metastatic Soft Tissue Sarcoma Reaches Target Number of Progression-Free Survival Events http://www.4-traders.com/ZIOPHARM-ONCOLOGY-INC-33865/news/ZIOPHARM-Oncology-Inc-Phase-3-Trial-of-ZIOPHARM-S-Palifosfamide-in-First-Line-Metastatic-Soft-Tis-16044826/ up over 12% and over 1.6 million traded already.