Synta researchers  have reported that, Ganetespib (structure)  shows potent in vitro and in vivo activity against multiple types of breast cancer including HER2-positive, ER/PR positive, triple-negative, and inflammatory breast cancer. 
"These results demonstrating that ganetespib potently 
inhibits key signaling pathways involved in the growth and proliferation
 of multiple forms of breast cancer are encouraging, and supportive of 
the results presented earlier at this meeting showing single-agent, 
anti-tumor activity in patients with breast cancer
 who have progressed on or failed to respond to multiple prior 
therapies," said Vojo Vukovic, M.D., Ph.D., Chief Medical Officer, 
Synta.  
Researchers conclude that, the combined preclinical and clinical results create a 
strong rationale for advancing ganetespib development in both 
HER2-positive and triple-negative breast cancer.
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