NEW YORK--(BUSINESS WIRE)--ZIOPHARM Oncology, Inc. (Nasdaq: ZIOP), a drug development company employing small molecule and synthetic biology approaches to cancer therapy, announced today promising clinical results from an ongoing multicenter Phase 1b, open-label, dose escalation study of intravenous (IV) palifosfamide (Zymafos® or ZIO-201) in combination with etoposide and carboplatin in patients with small cell lung cancer (SCLC) and other selected cancers. The data are being presented at the AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics, being held November 12-16, in San Francisco.