response of 9 carcinoma cell lines to Zalypsis treatment. A total of 1 million cells were xenografted in nude mice. Once the tumors reached 100 mm3, Zalypsis treatment was initiated, as indicated. The tumors were measured weekly. (■, C: solvent-only treated mice) (▲, Z: Zalypsis-treated mice). Quintuplicate samples were used in each experiment.