Study of Sonrotoclax (BGB-11417) Plus Zanubrutinib (BGB-3111) Compared With Venetoclax Plus Obinutuzumab in Participants With Chronic Lymphocytic Leukemia (CLL)

Inclusion Criteria: * Treatment-naïve (TN) adults with confirmed diagnosis of CLL which requires treatment * Eastern Cooperative Oncology Group (ECOG) score 0, 1, or 2 * Measurable disease by Computer Tomography/Magnetic Resonance Imaging * Adequate liver function as indicated by aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 2.5 x the institutional upper limits of normal (ULNs) value; serum total bilirubin \< 3.0 x ULN * Adequate renal function as defined as creatinine clearance ≥ 50 milliliters per minute Exclusion Criteria: * Previous systemic treatment for CLL * Known prolymphocytic leukemia or history of, or currently suspected, Richter's transformation * Known central nervous system involvement * History of confirmed progressive multifocal leukoencephalopathy (PML) * Uncontrolled hypertension Note: Other protocol defined criteria may apply