7. Patient has had any treatment specific for tumor control within 3 weeks of dosing 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), or failure to recover from the toxic effect of any of these therapies prior to study entry.