Status:

RECRUITING

A Study to Evaluate the Safety and Efficacy of BGB-16673 Compared to Pirtobrutinib in Adults With Relapsed/Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

Lead Sponsor:

BeOne Medicines

Conditions:

Chronic Lymphocytic Leukemia

Small Lymphocytic Lymphoma

Eligibility:

All Genders

18+ years

Phase:

PHASE3

Brief Summary

The purpose of this study is to evaluate the efficacy and safety of BGB-16673 alone compared with pirtobrutinib in patients with relapsed or refractory (R/R) chronic lymphocytic leukemia (CLL) or smal...

Eligibility Criteria

Inclusion

  • Confirmed diagnosis of CLL or SLL, requiring treatment, based on 2018 iwCLL criteria
  • Previously received treatment for CLL/SLL with a covalent Bruton tyrosine kinase inhibitor (cBTKi). Patients should have disease relapsed after or refractory to at least 1 line of therapy including a cBTKi.
  • Participants with SLL must have measurable disease by computed tomography/magnetic resonance imaging, defined as ≥ 1 lymph node \> 1.5 cm in longest diameter and measurable in 2 perpendicular diameters.

Exclusion

  • Known prolymphocytic leukemia or history of, or currently suspected, Richter's transformation.
  • History of known bleeding disorder such as hemophilia A, hemophilia B, von Willebrand disease, or history of spontaneous bleeding requiring blood transfusion or other medical intervention
  • History of ischemic stroke or intracranial hemorrhage within 6 months before first dose of study drug
  • Prior exposure to any Bruton tyrosine kinase (BTK) protein degraders or noncovalent Bruton tyrosine kinase inhibitor (ncBTKi).
  • Current or history of central nervous system involvement including the brain, spinal cord, leptomeninges, and cerebrospinal fluid (as documented by imaging, cytology, or biopsy) by CLL/SLL
  • NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Key Trial Info

Start Date :

September 4 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 17 2028

Estimated Enrollment :

500 Patients enrolled

Trial Details

Trial ID

NCT06973187

Start Date

September 4 2025

End Date

April 17 2028

Last Update

December 23 2025

Active Locations (39)

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Page 1 of 10 (39 locations)

1

Cancer Specialists of North Florida

Jacksonville, Florida, United States, 001625

2

Mount Sinai Comprehensive Cancer Center

Miami Beach, Florida, United States, 33140-2840

3

Mary Bird Perkins Cancer Center

Baton Rouge, Louisiana, United States, 70809-3738

4

Washington University School of Medicine

St Louis, Missouri, United States, 63110-1010

A Study to Evaluate the Safety and Efficacy of BGB-16673 Compared to Pirtobrutinib in Adults With Relapsed/Refractory Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma | DecenTrialz