5. Patient that has received any treatment for tumor specific control within 3 weeks of the start of study drug with investigational drugs and cytotoxic agents, or within 2 weeks of cytotoxic agent given weekly, or within 6 weeks of nitrosoureas or mitomycin C, or within 5 half-lives of biological targeted agents with half-lives and pharmacodynamic effects lasting less than 5 days (that includes, but is not limited to, erlotinib, sorafenib, sunitinib, bortezomib, and other similar agents).