Patients must not have known central nervous system metastasis or a history of central nervous system (CNS) metastases; patients with leptomeningeal disease are not eligible Subjects with inactive central nervous system (CNS) metastasis are eligible.. Active, untreated central nervous system (CNS) metastasis History of central nervous system metastasis Patient with active central nervous system (CNS) metastasis or with history of CNS metastasis Have known central nervous system malignancy or metastasis. Symptomatic central nervous system (CNS) malignancy or metastasis. Patient with a tumor metastasis in the central nervous system Have symptomatic central nervous system malignancy or metastasis. Active central nervous system (CNS) or leptomeningeal metastasis (brain metastases) Have symptomatic central nervous system (CNS) malignancy or metastasis. Evidence of central nervous system (CNS) metastasis (negative imaging study, if clinically indicated, within 4 weeks of Screening Visit). Symptomatic central nervous system metastasis (e.g., patients requiring increasing doses of steroids) Have symptomatic central nervous system (CNS) malignancy (with the exception of medulloblastoma) or metastasis (screening not required). Documented central nervous system metastases or liver metastasis Central nervous system (CNS) metastasis. Patients with history of prior central nervous system (CNS) metastasis must have been treated, must be asymptomatic, and must not have any of the following at the time of enrollment: Uncontrolled central nervous system (CNS) metastasis; patients with CNS metastasis can be eligible if definitively treated with radiotherapy or surgery Patients with active (untreated or relapsed) central nervous system (CNS) metastasis of the patient’s myeloma Have known central nervous system malignancy or metastasis. Central nervous system (CNS) metastasis, endometrial leiomyosarcoma, or endometrial stromal sarcoma. Central nervous system (CNS) metastasis About to undergo palliative radiation for a symptomatic central nervous system (CNS) metastasis Central nervous system (CNS) metastasis Documented central nervous system metastases or liver metastasis Active (symptomatic) central nervous system (CNS) metastasis. Presence of untreated and/or symptomatic central nervous system (CNS) metastasis History of asymptomatic or symptomatic central nervous system (CNS) metastasis Evidence of central nervous system (CNS) metastasis (negative imaging study, if clinically indicated, within 4 weeks of Screening Visit). Known metastasis to the central nervous system Known metastasis or symptoms of metastasis to the central nervous system Patient with active central nervous system (CNS) metastasis or with history of CNS metastasis History of central nervous system (CNS) metastasis. Patients with active (untreated or relapsed) central nervous system (CNS) metastasis of the patient’s myeloma Symptomatic central nervous system (CNS) metastasis. Patients with known metastasis of malignant plasma cells to the central nervous system (if not suspected no specific testing is required) Symptomatic brain metastasis or uncontrolled central nervous system (CNS) metastasis will not be permitted Known history of central nervous system metastasis Has active central nervous system (CNS) or leptomeningeal metastasis Have symptomatic central nervous system metastasis. Screening of asymptomatic participants is not required for enrollment. Central nervous system metastasis Has a history of known central nervous system metastasis Have known central nervous system metastasis or primary tumor (Part A). Previously-treated, CNS metastasis is permitted in Part B. CNS metastasis must be small, discrete metastasis; stable for at least 30 days without the need for concomitant prednisone for symptom management. No leptomeningeal disease is allowed. Is receiving therapeutic doses of corticosteroids (>20 mg prednisone daily or equivalent); Central nervous system (CNS) metastasis. Have the presence of unstable central nervous system (CNS) metastasis. Have symptomatic central nervous system (CNS) malignancy or metastasis (screening not required). Active or untreated central nervous system (CNS) metastasis Have clinical evidence or a history of central nervous system (CNS) metastasis Known untreated central nervous system (CNS) metastasis Symptomatic Central Nervous System (CNS) metastasis Parts A, B, D and E: Have central nervous system (CNS) metastasis with development of associated neurological changes 14 days prior to receiving study drug. History of central nervous system metastasis. Central nervous system (CNS) metastasis Have clinical evidence or history of central nervous system metastasis. Symptomatic central nervous system (CNS) malignancy or metastasis. Have clinical evidence or history of central nervous system metastasis Patients with active (untreated or relapsed) central nervous system (CNS) metastasis of the patient’s myeloma History of central nervous system (CNS) metastasis that are untreated or not stable Clinically unstable central nervous system (CNS) metastasis Clinical evidence of central nervous system (CNS) metastasis. Have malignancy or metastasis of the central nervous system Presence or history of central nervous system metastasis (including brain) For Dose Escalation (Part A): Have central nervous system (CNS) malignancy or metastasis Known central nervous system metastasis Patients with history of central nervous system (CNS) metastasis may not be enrolled on the study, unless control has been achieved with either radiation or surgical resection at least 3 months prior to enrollment on study Known central nervous system metastasis that is unstable within the last 2 months Have active central nervous system (CNS) metastasis Central nervous system metastasis Patients with known central nervous system metastasis are not eligible Symptomatic central nervous system disease, malignancy, or metastasis Subjects with known central nervous system (CNS) disease are not eligible, except for those subjects with treated brain metastasis. Evidence of central nervous system metastasis Known untreated central nervous system (CNS) metastasis Known central nervous system (CNS) disease except for treated brain metastasis Evidence of central nervous system (CNS) metastasis who have not received prior definitive therapy for their lesions. Current uncontrolled central nervous system (CNS) metastasis or malignant brain tumors Patients with Central Nervous System (CNS) metastasis which are: symptomatic or require treatment for symptom control and/or growing Stage IV patients are considered provided they have a single non-central nervous system (CNS) metastasis (that is amenable to treatment with radiation therapy) Known central nervous system metastasis Symptomatic central nervous system malignancy or metastasis (screening not required). Have symptomatic central nervous system (CNS) malignancy or metastasis Patients with history of central nervous system (CNS) metastasis, unless control has been achieved with either radiation or surgical resection at least 3 months prior to enrollment on study Active untreated central nervous system (CNS) metastasis Known central nervous system metastasis Known untreated central nervous system (CNS) metastasis; patients with CNS metastasis will be allowed on study once treated Evidence of central nervous system metastasis and have not received prior definitive therapy for their lesions. Known brain metastasis or primary central nervous system (CNS) malignancy Patient must not have untreated or symptomatic central nervous system (CNS) metastasis Known central nervous system (CNS) metastasis; once CNS metastasis have been treated these patients may participate if they are otherwise good trial candidates Have symptomatic central nervous system (CNS) malignancy or metastasis. Subjects with symptomatic brain metastasis or central nervous system (CNS) disease Have central nervous system (CNS) metastasis with development of associated neurological changes 14 days prior to receiving study drug.