- Recovered from the reversible effects of prior antineoplastic therapy (with the exception of alopecia and grade 1 neuropathy) with at least 4 weeks elapsed since the last exposure to cytotoxic chemotherapy or to radiotherapy and at least 6 weeks elapsed since exposure to nitrosoureas or mitomycin C. Patients treated with fully human monoclonal antibodies must not have received treatment with such antibodies for at least 6 weeks, and those treated with chimeric monoclonal antibodies must not have received treatment with such antibodies for at least 4 weeks. Patients treated with noncytotoxic small molecule drugs (eg, tyrosine kinase inhibitors, such as Tarceva®, and hormonal agents, such as Femara®) must not have received treatment with these drugs for at least 2 weeks before the first dose of MLN8237 is given.