- Chemotherapy, targeted therapies, radiotherapy, immunotherapy, or treatment with an investigational anticancer agent within 2 weeks or at least 5 half-lives of the drug, whichever is longer and up to a maximum of 4 weeks (in the case of nitrosoureas and mitomycin C within 6 weeks) before the first administration of study drug. Localized radiation therapy and ongoing luteinizing hormone-releasing hormone (LHRH) agonists, bisphosphonates and denosumab, are permitted