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