A Study of Nivolumab by Itself or Nivolumab Combined With Ipilimumab in Patients With Advanced or Metastatic Solid Tumors

Inclusion Criteria:

1. Subjects with histologically or cytologically confirmed locally advanced or metastatic disease of the following tumor types:
2. Triple Negative Breast Cancer
3. Gastric Cancer
4. Pancreatic Cancer
5. Small Cell Lung Cancer
6. Bladder Cancer
7. Ovarian Cancer
8. Subjects must have measurable disease
9. Eastern Cooperative Oncology Group (ECOG) of 0 or 1
10. Adequate hematological and organ function as confirmed by laboratory values

Exclusion Criteria:

1. Active brain metastases or leptomeningeal metastases
2. Subjects with active, known or suspected autoimmune disease
3. Subjects with a condition requiring systemic treatment with either corticosteroids (>10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days of treatment
4. Prior therapy with experimental anti-tumor vaccines; any T cell co-stimulation or checkpoint pathways, such as anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, or anti-CTLA-4 antibody, including Ipilimumab; or other medicines specifically targeting T cell is also prohibited