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BGB-16673

Phase 3

CLL | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: May 29, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment250
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06846671A Study of BGB-16673 Compared to Investigator's Choice in Participants With Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma Previously Exposed to Both Bruton Tyrosine Kinase (BTK) and B-cell Leukemia/Lymphoma 2 Protein (BCL2) InhibitorsPHASE3 RECRUITING 250Apr 10, 2025Feb 14, 2030May 29, 2026117 United States, Argentina +12
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Study Endpoints
Primary Endpoints
Progression-Free Survival (PFS) by Independent Review Committee (IRC)
Approximately 36 Months

PFS is defined as time from the date of randomization to the date of first disease progression or death, whichever occurs first, as determined by IRC using modified 2018 International Workshop on Chronic Lymphocytic Leukemia (iwCLL) criteria for participants with chronic lymphocytic leukemia (CLL) and Lugano classification for participants with small lymphocytic lymphoma (SLL).

Secondary Endpoints
Overall Survival (OS)
Approximately 36 Months
Progression-Free Survival (PFS) in Participants with Prior Exposure to Noncovalent Bruton Tyrosine Kinase Inhibitor(s) (ncBTKi) by IRC
Approximately 36 Months
PFS by the Investigator Assessment
Approximately 36 Months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: BGB-16673 monotherapyEXPERIMENTALParticipants will receive BGB-16673 once daily until any of the treatment discontinuation criteria are met
Arm B: Investigator's ChoiceACTIVE_COMPARATORParticipants will receive investigator's choice of idelalisib plus rituximab for CLL only or bendamustine plus rituximab, or venetoclax plus rituximab retreatment.
Interventions
NameTypeDescription
BGB-16673DRUGAdministered orally
BendamustineDRUGAdministered intravenously
IdelalisibDRUGAdministered orally
RituximabDRUGAdministered intravenously
VenetoclaxDRUGAdministered orally
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites117

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 c...

Countries:United StatesArgentinaAustraliaBrazilCanadaCzechiaGermanyItalyJapanNetherlandsPolandSouth KoreaTurkey (Türkiye)United Kingdom
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Recent Changes (Last 90 Days)
LOWMay 29, 2026NCT06846671lastUpdatePostDate: changed
LOWMay 29, 2026NCT06846671lastUpdatePostDate: changed
LOWMay 26, 2026NCT06846671primaryCompletionDate: changed
LOWMay 24, 2026NCT06846671studyFirstPostDate: changed