Inhibition of tumor cell growth in vivo using mouse tumor models has been reported previously for the MYC:MAX inhibitors MYCMI-6, 10058-F4, KJ-Pyr-9, KSI-3716, Mycro3, MYCi361, and MYCi975 (8, 10–12, 54, 60). The gene discussed is MAX; the disease is neoplasm.