Ganetespib, also known as STA-9090, is a unique resorcinolic triazolone inhibitor of Hsp90, which is currently in clinical trials for a number of human cancers. It has shown promise in preclinical tests against various cancers, including lung cancer, prostate cancer, and leukemia. Moreover, It has also shown strong activity toward breast cancer, non-small cell lung cancer, gastric cancer, and acute myeloid leukemia.