Synta Pharmaceuticals Corp. (NASDAQ: SNTA) announced today that interim results from the Phase 2b/3 GALAXY trial will be presented at the Chemotherapy Foundation Symposium in New York City on Friday, November 9 during the 11:45 a.m. session on new agents for lung cancer. Presenting this data at the conference will be Dr. Suresh Ramalingham, Professor, Hematology & Medical Oncology, and Director, Translational Thoracic Malignancies Program, of the Winship Cancer Institute of Emory University.
The GALAXY trial is a Phase 2b/3 program designed to compare single agent docetaxel versus docetaxel plus ganetespib, a potent and selective Hsp90 inhibitor, as second-line treatment of advanced non-small cell lung cancer. The presentation will review prior results highlighted at the 2012 Congress of the European Society for Medical Oncology (ESMO) last September.
Ganetespib is a potent inhibitor of heat shock protein 90 (Hsp90) that is structurally unrelated to first-generation, ansamycin-related Hsp90 inhibitors. In preclinical experiments, ganetespib has shown activity in multiple tumor models both as a single agent and in combination with certain widely used cancer agents. Company-sponsored clinical trials with ganetespib include 1) the GALAXY Phase 2b/3 trial evaluating ganetespib in combination with docetaxel as second-line treatment of non-small cell lung cancer (NSCLC), 2) the CHIARA Phase 2 trial evaluating ganetespib monotherapy in ALK+ NSCLC, and 3) the ENCHANT Phase 2 trial evaluating ganetespib as first-line treatment for HER2+ and triple-negative metastatic breast cancer. In addition, ganetespib is being evaluated in investigator-sponsored trials including lung, breast, prostate, gastric, pancreatic, and colorectal cancers as well as ocular melanoma, acute myeloid leukemia and multiple myeloma. Information on these trials can be found at www.clinicaltrials.gov.About the GALAXY Trials™ The GALAXY ( Ganetespib Assessment in Lung c Ancer with doceta Xel) program consists of two randomized trials comparing the combination of ganetespib and docetaxel versus docetaxel alone in patients with Stage IIIB/IV NSCLC who have received one prior systemic therapy: a Phase 2b study to determine the patient population most likely to derive benefit from ganetespib, and a Phase 3 pivotal trial enriched for this identified population, More information about the GALAXY trials can be found at www.clinicaltrials.gov (NCT01348126). About Hsp90 Hsp90 is a molecular chaperone required for the proper folding and activation of many cancer-promoting proteins, and is recognized as a key facilitator of cancer cell growth and survival. Many of the “client proteins” of Hsp90 – such as ALK, AKT, BCR-ABL, BRAF, KIT, MET, EGFR, FLT3, HER2, HIF-1alpha, PDGFRA, VEGFR are the targets of clinically validated cancer drugs. In preclinical studies, inhibiting Hsp90 causes the degradation of multiple client proteins and leads to cancer cell death.
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