AT7867 dihydrochloride is a potent ATP-competitive inhibitor of Akt1 / Akt2 / Akt3 and p70S6K / PKA kinase with IC 50 s of 32 nM/17 nM/47 nM and 85 nM/20 nM, respectively. AT7867 dihydrochloride is able to induce pharmacodynamic changes and inhibit human tumor xenograft growth.