- Subjects must have had at least 1 platinum containing chemotherapy regimen and no more than a total of 3 DNA damaging or cytotoxic regimens in the last 5 years. Less than a full dose of a DNA damaging agent, possibly due to reasons such as toxicity or documented allergic reaction are allowed. Previous treatments with biologics (including catumaxomab, tigatuzumab, abagovomab, and bevacizumab), vaccines, immunostimulants, hormonal agents, and signal transduction inhibitors (e.g., pazopanib, sorafenib, sunitinib, temsirolimus) are allowed and are not counted towards the limit of 3.