Clinical trial Recruiting at 132 sites Phase 3 Interventional Ages 18 and up

Comparing BGB-16673 to standard treatments for chronic lymphocytic leukemia

Official title: A Phase 3, Open-Label, Randomized Study of BGB-16673 Compared to Investigator's Choice (Idelalisib Plus Rituximab or Bendamustine Plus Rituximab or Venetoclax Plus Rituximab Retreatment) in Patients With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma Previously Exposed to Both BTK and BCL2 Inhibitors

Run by BeOne Medicines · NCT06846671 · Data updated 2026-11-12

This study is testing a new treatment called BGB-16673 to see if it works better than standard options for people with chronic lymphocytic leukemia who have already tried other therapies.

More Chronic Lymphocytic Leukemia trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment250 (estimated)
SponsorBeOne Medicines
Industry-sponsored
Drugs / interventionschimeric antigen receptor, rituximab
Locations132 sites (Jonesboro, Arkansas and 131 other locations)
StatusRecruiting
StartedApril 10, 2025
Main results expectedMay 15, 2028
Study endsFebruary 14, 2030
Registry record updatedSeptember 28, 2026
Trial IDNCT06846671 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals diagnosed with CLL or SLL who have previously received both BTK and BCL2 inhibitors.

Probably not a fit

Patients with known prolymphocytic leukemia, Richter's transformation, or significant cardiovascular disease may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the efficacy and safety of BGB-16673 in comparison to standard treatment options for patients with chronic lymphocytic leukemia (CLL) or small lymphocytic lymphoma (SLL) who have previously been treated with both Bruton Tyrosine Kinase inhibitors and B-cell Leukemia/Lymphoma 2 Protein inhibitors. Participants will be randomly assigned to receive either BGB-16673 or an investigator's choice of treatment, which may include combinations of idelalisib, rituximab, bendamustine, or venetoclax. The primary goal is to determine how long patients can live without their disease worsening. Approximately 250 participants will be enrolled globally.

Why it matters

Potential benefit: If successful, this treatment could provide a new effective option for patients with relapsed or refractory CLL or SLL.

How similar studies have gone: Other studies have shown promise with similar treatment approaches, but this specific combination is being evaluated for the first time.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Confirmed diagnosis of CLL or SLL, requiring treatment, based on 2018 international workshop on chronic lymphocytic leukemia (iwCLL) criteria.
2. Previously received treatment for CLL/SLL with both a BTKi and a BCL2i.
3. Participants with SLL must have measurable disease by computer tomography (CT)/magnetic resonance imaging (MRI)
4. Eastern Cooperative Oncology Group (ECOG) score 0, 1, or 2
5. Adequate liver function
6. Adequate blood clotting function

Exclusion Criteria:

1. Known prolymphocytic leukemia or history of, or currently suspected, Richter's transformation
2. Prior autologous stem cell transplant or chimeric antigen receptor-T cell therapy in the last 3 months
3. Known central nervous system involvement
4. Prior exposure to any BTK protein degraders
5. Active fungal, bacterial and/or viral infection requiring parenteral systemic therapy
6. Clinically significant cardiovascular disease

NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

Where it's running

  • St Bernards Medical Center
    Jonesboro, Arkansas, United States
    Recruiting
  • UCLA Department of Medicine Hematologyoncology
    Los Angeles, California, United States
    Recruiting
  • Scripps Prebys Cancer Center
    San Diego, California, United States
    Recruiting
  • Pih Health Whittier Hospital
    Whittier, California, United States
    Recruiting
  • Rocky Mountain Cancer Centers (Williams) Usor
    Aurora, Colorado, United States
    Recruiting
  • Intermountain Health Lutheran Hospital Cancer Center of Colorado
    Golden, Colorado, United States
    Recruiting
Show 44 more locations
  • Florida Oncology and Hematology
    Fort Myers, Florida, United States
    Recruiting
  • Baptist Md Anderson Cancer Center
    Jacksonville, Florida, United States
    Recruiting
  • Cleveland Clinic Florida
    Weston, Florida, United States
    Recruiting
  • Emory University Winship Cancer Institute
    Atlanta, Georgia, United States
    Recruiting
  • Northside Cancer Center
    Atlanta, Georgia, United States
    Recruiting
  • Our Lady of the Lake Hospital
    Baton Rouge, Louisiana, United States
    Recruiting
  • American Oncology Partners of Maryland Pa
    Bethesda, Maryland, United States
    Recruiting
  • Corewell Health the Michigan Cancer Consortium
    Grand Rapids, Michigan, United States
    Recruiting
  • University of Minnesota
    Minneapolis, Minnesota, United States
    Recruiting
  • St Lukes Center For Cancer Care
    Chesterfield, Missouri, United States
    Recruiting
  • Oncology Hematology Associates
    Springfield, Missouri, United States
    Recruiting
  • St Vincent Frontier Cancer Center
    Billings, Montana, United States
    Recruiting
  • Oncology Hematology West, Pc Dba Nebraska Cancer Specialists
    Omaha, Nebraska, United States
    Recruiting
  • Memorial Sloan Kettering Cancer Center Mskcc
    New York, New York, United States
    Recruiting
  • New York Cancer and Blood Specialists
    Shirley, New York, United States
    Recruiting
  • Optum Medical Care, Pc
    Westbury, New York, United States
    Recruiting
  • University Hospitals
    Cleveland, Ohio, United States
    Recruiting
  • Dayton Physician Network
    Dayton, Ohio, United States
    Recruiting
  • Oncology Associates of Oregon Willamette Valley Cancer Center
    Eugene, Oregon, United States
    Recruiting
  • West Penn Hospital
    Pittsburgh, Pennsylvania, United States
    Recruiting
  • Cancer Care Associates of York
    York, Pennsylvania, United States
    Recruiting
  • Baylor Scott and White Health
    Temple, Texas, United States
    Recruiting
  • Texas Oncology Tyler
    Tyler, Texas, United States
    Recruiting
  • Hospital Aleman
    Caba, Argentina
    Recruiting
  • Cemic
    Caba, Argentina
    Recruiting
  • Fundaleu
    Caba, Argentina
    Recruiting
  • Hospital Italiano de Buenos Aires
    Ciudad Autonoma Buenos Aires, Argentina
    Recruiting
  • Instituto Alexander Fleming (Iaf)
    Ciudad Autonoma Buenos Aires, Argentina
    Recruiting
  • Cice 9 de Julio Sanatorio 9 de Julio
    San Miguel de Tucumán, Argentina
    Recruiting
  • Concord Repatriation General Hospital
    Concord, New South Wales, Australia
    Recruiting
  • Gosford Hospital
    Gosford, New South Wales, Australia
    Recruiting
  • Port Macquarie Base Hospital
    Port Macquarie, New South Wales, Australia
    Recruiting
  • Prince of Wales Hospital
    Randwick, New South Wales, Australia
    Recruiting
  • Toowoomba Hospital
    Toowoomba, Queensland, Australia
    Recruiting
  • Flinders Medical Centre
    Bedford PK, South Australia, Australia
    Recruiting
  • The Alfred Hospital
    Melbourne, Victoria, Australia
    Recruiting
  • Perth Blood Institute
    West Perth, Western Australia, Australia
    Recruiting
  • Cetus
    Belo Horizonte, Brazil
    Recruiting
  • Hospital Sirio Libanes Brasilia
    Brasília, Brazil
    Recruiting
  • Hospital Erasto Gaertner
    Curitiba, Brazil
    Recruiting
  • Centro de Ensino E Pesquisa Em Oncologia de Santa Catarina (Cepen)
    Florianópolis, Brazil
    Recruiting
  • Instituto Joinvilense de Hematologia E Oncologia
    Joinville, Brazil
    Recruiting
  • Complexo Hospitalar de Niteroi
    Niterói, Brazil
    Recruiting
  • Centro Gaucho Integrado de Oncologia Hospital Mae de Deus
    Porto Alegre, Brazil
    Recruiting

+82 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.