Safety and Pharmacokinetics (PK) of Escalating Doses of Tiragolumab as a Single Agent and in Combination With Atezolizumab and/or Other Anti-Cancer Therapies in Locally Advanced or Metastatic Tumors

Inclusion Criteria

• Adults 18 years of age or older
• Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
• Life expectancy at least 12 weeks
• Adequate hematologic and end organ function
• Histologic documentation of locally advanced, recurrent, or metastatic incurable malignancy that has progressed after at least one available standard therapy; or for which standard therapy has proven ineffective, intolerable, or considered inappropriate; or for which a clinical trial of an investigational agent is a recognized standard of care
• Confirmed availability of representative tumor specimens
• Measurable disease according to RECIST Version 1.1

Exclusion Criteria

• Any anti-cancer therapy, whether investigational or approved, including chemotherapy, hormonal therapy, or radiotherapy, within 3 weeks prior to initiation of study treatment
• Malignancies other than disease under study within 5 years prior to Day 1 of Cycle 1
• Primary central nervous system (CNS) malignancy, or untreated/active CNS metastases
• Leptomeningeal disease
• History of idiopathic pulmonary fibrosis, pneumonitis, organizing pneumonia, or evidence of active pneumonitis on Screening chest computed tomograph (CT) scan
• History of autoimmune disease
• Positive human immunodeficiency virus (HIV) test
• Active hepatitis B or C, or tuberculosis
• Severe infection within 4 weeks prior to randomization
• Prior allogeneic bone marrow or solid organ transplant
• Significant cardiovascular disease
• Known clinically significant liver disease