| abstract |
Provided are pharmaceutical compositions containing an oil phase and an aqueous phase, the oil phase including an ansamycin and less than 2% w/w oleic acid, wherein the ansamycin is geldanamycin, 17-aminogeldanamycin, lT-allyalamino-lT-demethoxy-geldanamycin, compound (563), or compound (237) having the structures below, or a salt of any one of the aforementioned ansamycins |