Patients are eligible if central nervous system (CNS) metastases are adequately treated and neurological symptoms have returned to baseline or are controlled for at least 2 weeks prior to enrollment; in addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent); patients with untreated CNS metastases are eligible if they are not symptomatic and the lesions are less than 1 cm in size Patients with central nervous system (CNS) metastases with the following exceptions: Patient untreated CNS metastases with 5 or fewer sites of disease, with no single site larger than 20 mm, are eligible if they are asymptomatic and not requiring steroids at any dose; patients with asymptomatic CNS metastases may be treated with radiosurgery before or during therapy on trial without treatment delays; patients with treated, symptomatic CNS metastases are eligible if they are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to registration AND either off corticosteroids, or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent) Clinically asymptomatic and stable central nervous system (CNS) metastases are allowed (including untreated CNS metastases) if they have not required increasing doses of steroids or stable doses equivalent to prednisone > 10 mg daily within 2 weeks prior to study entry for CNS symptoms Known untreated brain or leptomeningeal metastasis\r\n* Patients with brain metastases are eligible if metastases have been adequately treated and neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least two weeks prior to C1D1 and meet requirements related to steroids Participants with untreated CNS metastases are excluded. Participants are eligible if CNS metastases are adequately treated and participants are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to first treatment Subjects with symptomatic CNS metastases who are neurologically unstable and/or require an increased dose of steroid to manage CNS symptoms within 1 week prior to the first day of treatment are excluded\r\n* Subjects with brain or leptomeningeal metastases that do not meet the above criteria are allowed\r\n* Symptomatic disease is allowed as long as symptoms are controlled and stable Patients having active central nervous system (CNS) metastases; patients adequately treated and neurologically returned to baseline (except for residual signs of symptoms related to the CNS treated) for at least 2 weeks prior to enrolment are allowed; in addition, patients must be either off corticosteroids or on a stable or decreasing dose of < 10 mg daily prednisone or equivalent Patients with known CNS metastases, carcinomatous meningitis, or leptomeningeal disease as indicated by clinical symptoms, cerebral edema, and/or progressive growth. Participants with known untreated brain metastases should be excluded from this clinical trial; subjects are eligible if CNS metastases are adequately treated and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to study entry; subjects must be either off corticosteroids, or on a stable or decreasing dose of ? 10 mg daily prednisone (or equivalent) for at least 2 weeks prior to first study treatment Subjects with active (i.e. symptomatic or growing) central nervous system (CNS) metastases. Subjects with CNS metastases are eligible if the metastases have been treated with surgery and/or radiotherapy, the subject is off corticosteroids for at least 2 weeks and the subject is neurologically stable. Presence of symptomatic central nervous system (CNS) metastases or CNS metastases that require local CNS-directed therapy (e.g. radiotherapy or surgery) or increasing doses of corticosteroids within the prior 2 weeks. Patients with treated brain metastases should be neurologically stable (for 4 weeks post-treatment and prior to study enrollment) and off of steroids for at least 2 weeks before administration of any study treatment. Subjects with active central nervous system (CNS) metastases are excluded; if CNS metastases are treated and subjects are at neurologic baseline for at least 2 weeks prior to enrollment, they will be eligible but will need a brain magnetic resonance imaging (MRI) prior to enrollment; subjects must be off corticosteroids or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent) Subjects with active central nervous system (CNS) metastases causing clinical symptoms or metastases that require therapeutic intervention, including leptomeningeal disease, are excluded. Subjects with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy. Subjects with active central nervous system (CNS) metastases with significant neurological compromise or symptoms are excluded. Subjects with a history of treated CNS metastases (by surgery or radiation therapy), who show no evolving new neurological symptoms are eligible for the study. Subjects with active central nervous system (CNS) metastases causing clinical symptoms or metastases that require therapeutic intervention are excluded; subjects with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy; subjects with CNS metastases incidentally detected during screening which do not cause clinical symptoms and for which standard of care suggests no therapeutic intervention is needed are eligible Subjects with active central nervous system (CNS) metastases are excluded. Subjects with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy. Subjects with symptomatic untreated CNS metastases are excluded\r\n* Subjects are eligible if CNS metastases are asymptomatic or adequately treated and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to first treatment\r\n* In addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of ? 10 mg daily prednisone (or equivalent) for at least 2 weeks prior to first treatment Subjects with active central nervous system (CNS) metastases are excluded; if CNS metastases are treated and\r\nsubjects are at neurologic baseline for at least 2 weeks prior to enrollment, they will be eligible but will need a brain magnetic resonance imaging (MRI) prior to enrollment; subjects must be off corticosteroids or on a dose of less than 10 mg per day Any history of CNS metastases that is not adequately treated (surgery or radiation) > 14 days prior to registration Subjects with active central nervous system (CNS) metastases are excluded. Subjects are eligible if CNS metastases are adequately treated and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 4 weeks prior to enrollment. In addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent) for 2 weeks. Subjects with CNS metastases are only eligible if the CNS metastases are treated with radiotherapy and/or surgery and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment); in addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent) Active CNS metastases; however, patients with CNS metastases will be eligible if they have been treated and are stable without symptoms for 4 weeks after completion of treatment, with image documentation required, and must be off steroids. Subjects with active central nervous system (CNS) metastases causing clinical symptoms or metastases that require therapeutic intervention are excluded; subjects with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy; subjects with CNS metastases incidentally detected during screening which do not cause clinical symptoms and for which standard of care suggests no therapeutic intervention is needed are eligible Subjects with untreated symptomatic central nervous system (CNS) metastases are excluded\r\n* Subjects are eligible if symptomatic CNS metastases are treated and subjects have neurologically returned to baseline (except for residual signs and symptoms related to CNS treatment) for at least 7 days prior to first dose of study treatment\r\n** Subjects must be off corticosteroids for at least 7 days prior to first dose of study treatment Known active CNS metastases and/or carcinomatous meningitis a. To be eligible for the study treatment, subjects must have stable disease ? 1 month, confirmed by magnetic resonance imaging (MRI) or computed tomography (CT) scan, and have CNS metastases well controlled by low-dose steroids, anti-epileptics, or other symptom-relieving medications. Known active uncontrolled or symptomatic central nervous system (CNS) metastases, carcinomatous meningitis, or leptomeningeal disease as indicated by clinical symptoms, cerebral edema, and/or progressive growth; patients with a history of CNS metastases or cord compression are eligible if they have been definitively treated (eg, radiotherapy, stereotactic surgery) and are clinically stable off anticonvulsants and steroids for at least 4 weeks before randomization Known active CNS metastases and/or carcinomatous meningitis • To be eligible for the study treatment, subjects must have stable disease ? 3 months, confirmed by magnetic resonance imaging (MRI) or computed tomography (CT) scan, and have CNS metastases well controlled by low-dose steroids, anti-epileptics, or other symptom-relieving medications Known untreated brain or leptomeningeal metastasis\r\n* Patients with brain metastases are eligible if metastases have been adequately treated and neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least two weeks prior to C1D1 Active CNS metastases or carcinomatous meningitis. Patients with CNS lesions that have been treated and who have no evidence of progression in the brain on CT/MRI for ?1 month are eligible. Pregnant or nursing women due to the unknown effects of immunization on the developing fetus or newborn infant. Patient has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. However, patients with CNS metastases who have completed a course of therapy would be eligible for the study provided they are clinically stable for at least 4 weeks prior to entry as defined as: (1) no evidence of new or enlarging CNS metastasis on brain imaging within 4 weeks of enrollment (2) off steroids for 2 weeks. Patients with clinically insignificant brain metastases that do not require treatment are eligible Patients with known active CNS metastases and/or carcinomatous meningitis; however, patients with CNS metastases who have completed a course of therapy would be eligible for the study provided they are clinically stable for at least 1 month prior to entry as defined as:\r\n* No evidence of new or enlarging CNS metastasis\r\n* Off steroids that are used to minimize surrounding brain edema; patients with clinically insignificant brain metastases that do not require treatment are eligible Known CNS metastases or carcinomatous meningitis. Subjects with previously treated, stable CNS metastases (no evidence of progression for ? 4 weeks, and resolution of neurologic symptoms to baseline state) are permitted in this study. Patients with treated, symptomatic CNS metastases are eligible if they are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to registration AND either off corticosteroids, or on a stable or decreasing dose of ? 10 mg daily prednisone (or equivalent). Any active central nervous system (CNS) lesion (i.e., those with radiographically unstable, symptomatic lesions) and/or leptomeningeal metastases; NOTE: patients treated with stereotactic radiotherapy or surgery are eligible if no evidence of CNS disease progression >= 4 weeks and patients must be off corticosteroid therapy for >= 3 weeks; NOTE: carcinomatous meningitis is excluded regardless of clinical stability Known active central nervous system (CNS) metastases or carcinomatous meningitis; patients with CNS metastases including brain metastases who have completed a course of radiotherapy are eligible for the study provided they are clinically stable; however, oral corticosteroids for control of CNS symptoms are not allowed on study Has active central nervous system (CNS) metastases (including evidence of cerebral edema by MRI, or progression from prior imaging study, or any requirement for steroids, or clinical symptoms of/from CNS metastases) within 28 days prior to study treatment. Subjects with known CNS metastases must have a baseline MRI scan within 28 days of study treatment. Subject has primary central nervous system (CNS) tumor or known CNS metastases and/or history of CNS metastases and/or carcinomatous meningitis; Exception: Subjects are eligible if CNS metastases are adequately treated and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 4 weeks prior to enrollment. In addition, subjects must be off corticosteroids for 4 weeks prior to enrollment. Subjects with active central nervous system (CNS) metastases are excluded. Subjects with a history of treated CNS metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy Known brain metastases, unless previously treated and patients are neurologically returned to baseline except for residual signs and symptoms related to Central Nervous System (CNS) treatment and CNS lesions are not progressive in size and number for 4 weeks. Known active uncontrolled or symptomatic central nervous system (CNS) metastases, carcinomatous meningitis, or leptomeningeal disease as indicated by clinical symptoms, cerebral edema, and/or progressive growth. Patients with a history of CNS metastases or cord compression are eligible if they have been definitively treated with local therapy (eg, radiotherapy, stereotactic surgery) and are clinically stable off anticonvulsants and steroids for at least 4 weeks before randomization. Have untreated central nervous system (CNS) metastases. Patients are eligible for study participation if CNS metastases are adequately treated and patients are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 60 days prior to consent. In addition, patients must either be off corticosteroids, or on a stable or decreasing dose of 10 mg daily prednisone (or equivalent) for at least 60 days prior to consent. Subjects with active central nervous system (CNS) metastases causing clinical symptoms or metastases that require therapeutic intervention are excluded Subjects with active central nervous system (CNS) metastases are excluded; subjects are eligible if CNS metastases are adequately treated and subjects are neurologically returned to baseline (except for residual signs or symptoms related to the CNS treatment) for at least 2 weeks prior to enrollment; in addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of =< 10 mg daily prednisone (or equivalent) for 2 weeks Patients with active CNS metastases or carcinomatous meningitis, except patients with CNS lesions that have been treated and have no evidence of progression in the brain on CT/MRI for ? 3 months. Active CNS metastases or carcinomatous meningitis. Patients with CNS lesions that have been treated and who have no evidence of progression in the brain on CT/MRI for ?1 month are eligible. No signs or symptoms of CNS metastases (mets) within the last 30 days (from enrollment evaluation) Active central nervous system (CNS) disease, metastases or carcinomatous meningitis. Patients with CNS metastases must be at least 2 weeks status post prior therapy to the brain and be off all steroids without progressing CNS disease. Subjects with untreated central nervous system (CNS) metastases are excluded. Subjects are eligible if CNS metastases are asymptomatic or treated and subjects are neurologically returned to baseline for at least 2 weeks prior to enrollment. In addition, subjects must be either off corticosteroids, or on a stable or decreasing dose of ?10mg daily prednisone (or equivalent) Patient has known active CNS metastases and/or carcinomatous meningitis; however, patients with CNS metastases (including brain metastases) who have completed a course of radiotherapy are eligible for the study provided they are clinically stable; oral corticosteroids for control of CNS symptoms are allowed Subjects with central nervous system (CNS) metastases, unless they have been treated and are stable without symptoms for 4 weeks after completion of treatment and must be off steroids for at least 4 weeks prior to enrollment Known active central nervous system (CNS) metastases. Subjects with CNS metastases who have completed a course of therapy would be eligible for the study provided they are clinically stable for at least 1 month prior to study entry, defined as: Patients with symptomatic CNS metastases who are neurologically unstable or have required increasing doses of steroids within the 2 weeks prior to study entry to manage CNS symptoms. Patient has known active central nervous system (CNS) metastases and/or carcinomatous meningitis; however, patients with CNS metastases who have completed a course of therapy would be eligible for the study provided they are clinically stable for at least 1 month prior to entry as defined as: \r\n* No evidence of new or enlarging CNS metastasis \r\n* Off steroids that are used to minimize surrounding brain edema Known central nervous system metastases causing clinical symptoms or metastases that require therapeutic intervention. Subjects with a history of treated central nervous system (CNS) metastases (by surgery or radiation therapy) are not eligible unless they have fully recovered from treatment, demonstrated no progression for at least 2 months, and do not require continued steroid therapy. Subjects with CNS metastases incidentally detected during Screening that do not cause clinical symptoms and for which standard of care suggests no therapeutic intervention is indicated, should be discussed with the Sponsor Medical Responsible Active (i.e., symptomatic or growing) central nervous system (CNS) metastases. Subjects with CNS metastases are eligible for the trial if: a. the metastases have been treated by surgery and/or radiotherapy, b. the subject is off corticosteroids (>10 mg/day) and is neurologically stable for at least 2 weeks prior to Screening. c. brain MRI completed within 3 months of Screening.