Treatment with OSU-A9 induced apoptosis, the down-regulation of Akt phosphorylation, the up-regulation of p38 phosphorylation, the inhibition of JAK and STAT3 phosphorylation, a reduction in pancreatic cancer cell aggressiveness, and the blocking of BxPC-3 xenograft growth in nude mice. The gene discussed is STAT3; the disease is pancreatic neoplasm.