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Sonrotoclax

Phase 3

Chronic Lymphocytic Leukemia | Small molecule | Oncology |BeOne Medicines Ltd.|Last Updated: Jul 23, 2026

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Trial Design
RandomizedACTIVE_CONTROLLEDDMC
Total Trials4
Total Enrollment1,482
FDA Designations
PRIORITY_REVIEW
Clinical trial landscape

Sonrotoclax · 11 trials · 13 indications

Phase 3 4Phase 2 3Phase 1 4
NCT07277231A Study to Investigate Sonrotoclax (BGB-11417) Plus Zanubrutinib (BGB-3111) Compared With Venetoclax Plus Acalabrutinib in Adults With Previously Untreated Chronic Lymphocytic LeukemiaChronic Lymphocytic Leukemia
RECRUITING500 Analytics
NCT06943872A Study to Investigate Progression-Free Survival With Sonrotoclax Plus Obinutuzumab Or Sonrotoclax Plus Rituximab Compared With Venetoclax Plus Rituximab Treatment In Patients With Relapsed and/or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CELESTIAL-RRCLL)Chronic Lymphocytic Leukemia
RECRUITING630 Analytics
NCT06742996A Study to Investigate the Efficacy and Safety of Sonrotoclax Plus Zanubrutinib Compared With Placebo Plus Zanubrutinib in Adults With Relapsed/Refractory Mantle Cell Lymphoma (CELESTIAL-RRMCL)Mantle Cell Lymphoma
RECRUITING300 Analytics
NCT06073821Study of Sonrotoclax (BGB-11417) Plus Zanubrutinib (BGB-3111) Compared With Venetoclax Plus Obinutuzumab in Participants With Chronic Lymphocytic Leukemia (CLL)CLL
ACTIVE NOT_RECRUITING652 Analytics
PHASE3RECRUITING
A Study to Investigate Sonrotoclax (BGB-11417) Plus Zanubrutinib (BGB-3111) Compared With Venetoclax Plus Acalabrutinib in Adults With Previously Untreated Chronic Lymphocytic Leukemia
Chronic Lymphocytic LeukemiaUnlock trial analytics
PHASE3RECRUITING
A Study to Investigate Progression-Free Survival With Sonrotoclax Plus Obinutuzumab Or Sonrotoclax Plus Rituximab Compared With Venetoclax Plus Rituximab Treatment In Patients With Relapsed and/or Refractory Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CELESTIAL-RRCLL)
Chronic Lymphocytic LeukemiaUnlock trial analytics
PHASE3RECRUITING
A Study to Investigate the Efficacy and Safety of Sonrotoclax Plus Zanubrutinib Compared With Placebo Plus Zanubrutinib in Adults With Relapsed/Refractory Mantle Cell Lymphoma (CELESTIAL-RRMCL)
Mantle Cell LymphomaUnlock trial analytics
PHASE3ACTIVE NOT_RECRUITING
Study of Sonrotoclax (BGB-11417) Plus Zanubrutinib (BGB-3111) Compared With Venetoclax Plus Obinutuzumab in Participants With Chronic Lymphocytic Leukemia (CLL)
CLLUnlock trial analytics
Study Endpoints
Primary Endpoints
Progression-Free Survival (PFS) as Determined by Independent Review Committee (IRC)
Up to approximately 70 months

PFS is defined as the time from the date of randomization to the date of disease progression as determined by IRC or death due to any cause, whichever occurs first.

Rate of Undetectable Minimal Residual Disease at < 10^-4 sensitivity (uMRD4)
Up to approximately 16 months

Rate of uMRD4 is defined as the percentage of participants that achieved uMRD4 measured in both peripheral blood (PB) and bone marrow aspirate (BMA) at the post-treatment follow-up visit (PTFU1) based on next generation sequencing (NGS).

Progression-Free Survival (PFS) as assessed by Blinded Independent Review Committee (BIRC) for Arm A versus Arm D
Up to approximately 51 months

PFS is defined as the time from randomization to the date of progression or death, whichever occurs first.

Progression-Free Survival (PFS) as assessed by Blinded Independent Review Committee (BIRC)
Approximately 41 months

PFS is defined as the time from randomization to the date of progression or death, whichever occurs first.

Cohort 1: Progression Free Survival (PFS)
Up to approximately 9 years

PFS is defined as the time from the date of enrollment to the date of first confirmed disease progression or death due to any cause, whichever occurs first, as determined by independent review committee (IRC)

Cohort 1: Rate of Undetectable Measurable Residual Disease
Up to one and a half years

Undetectable measurable residual disease uMRD4 rate at the first Post- Treatment Follow-up (PTFU 1) Visit will be based on next-generation sequencing.

EFS
2-year

event free survival rate

Complete Response (CR)/ Complete Response with Incomplete Bone Marrow Recovery (CRi) Rate
Month 16

Best CR/CRi rate per the Independent Review Committee (IRC) response assessment using the 2018 International Workshop on Chronic Lymphocytic Leukemia guidelines with modification for treatment-related lymphocytosis for participants with CLL

Cohort 1: Major Response Rate (MRR)
Up to approximately 4 years

MRR is defined as the percentage of participants achieving partial response (PR) or better, as assessed by the Independent Review Committee (IRC) per the 11th International Workshop on Waldenström Macroglobulinemia (IWWM-11) WM response criteria.

Number of Participants who Experience Tumor Lysis Syndrome (TLS)
Up to approximately 4 months

TLS will be defined by Howard criteria during the schedule-limiting toxicity (SLT) evaluation window

Parts A and B: Lag time before observation of quantifiable concentrations in plasma (Tlag) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Time to maximum observed concentration (Tmax) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Maximum observed plasma concentration (Cmax) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Area under the concentration time curve from time zero up to the last quantifiable concentration (AUClast) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Area under the concentration time curve from time zero extrapolated to infinity (AUCinf) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Terminal phase elimination rate constant (lambda-z) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Terminal elimination half life (T1/2) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Apparent oral clearance (CL/F) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Parts A and B: Apparent volume of distribution (Vz/F) of sonrotoclax
Approximately 21 days for Part A and 11 days for Part B
Part 1: Number Of Participants Experiencing Dose-limiting Toxicities (DLTs)
Up to 28 days

DLTs will be based on National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0 and will include most grade 3 or higher events, as defined in the protocol.

Part 1 And 2: Number of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs), Serious Adverse Events (SAEs), Adverse Events Leading to Discontinuation and Adverse Events of Special Interest (AESIs).
Up to 30 days after last dose of study drug
Part 2: Overall response rate (ORR) as Assessed by Investigator
Approximately 4 years

Defined as the percentage of participants who achieved a stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR) per International Myeloma Working Group (IMWG) criteria

Part 2: Very Good Partial Response (VGPR) or Better Response Rate as Assessed by Investigator
Upon study termination (Baseline up to first documentation of disease progression [PD] or death from any cause [approximately 4 years]

Defined as the percentage of participants with a documented VGPR or better (including sCR, CR, and VGPR)

Part 2: Complete Response (CR) or Stringent Complete Response (sCR) as Assessed by Investigator
Upon study termination (Baseline up to first documentation of disease progression [PD] or death from any cause [approximately 4 years])

defined as the percentage of participants with a documented CR or sCR

Number of Participants Experiencing Treatment Emergent Adverse Events (TEAEs)
Up to 30 days after the last dose of study drug, an average of 18 months
Number of Participants Experiencing Serious Adverse Events (SAEs)
Up to 30 days after the last dose of study drug, an average of 18 months
Number of Participants Experiencing Adverse Events (AEs) leading to discontinuation of Sonrotoclax
Up to 30 days after the last dose of study drug, an average of 18 months
Part 1, Part 3: Maximum Tolerated Dose (MTD) of Sonrotoclax
Up to approximately 2 months
Part 1, Part 3, Part 5: RP2D of Sonrotoclax
Day 1 to last dose of study drug, an average of 18 months
Part 1, Part 3, Part 5: Number of participants experiencing tumor lysis syndrome (TLS) relevant events
Up to 30 days after the last dose of study drug, an average of 18 months
Part 1, Part 3, Part 5: Number of Participants Experiencing Dose-Limiting Toxicities (DLTs
Up to approximately 2 months
Secondary Endpoints
PFS in High-Risk Participants
Up to approximately 70 months
Overall Survival (OS)
Up to approximately 70 months
Overall Response Rate (ORR) as Determined by IRC
Up to approximately 70 months
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm A: Sonrotoclax plus ZanubrutinibEXPERIMENTALParticipants will receive sonrotoclax and zanubrutinib for a fixed duration followed by observation.
Arm B: Venetoclax plus AcalabrutinibACTIVE_COMPARATORParticipants will receive venetoclax and acalabrutinib for a fixed duration followed by observation.
Arm A: Sonrotoclax plus ObinutuzumabEXPERIMENTALSonrotoclax and obinutuzumab will be administered in combination.
Arm B: Sonrotoclax plus RituximabEXPERIMENTALSonrotoclax and rituximab will be administered in combination.
Arm C: Sonrotoclax plus Obinutuzumab (MRD)EXPERIMENTALSonrotoclax and obinutuzumab will be administered in combination with treatment guided by evaluation of minimal residual disease (MRD).
Arm D: Venetoclax plus RituximabACTIVE_COMPARATORVenetoclax and rituximab will be administered in combination.
Arm B: placebo plus zanubrutinibPLACEBO_COMPARATORPlacebo and zanubrutinib will be administered in combination.
Sonrotoclax Plus ZanubrutinibEXPERIMENTALParticipants will receive from start of Cycle 1 a standard dose of zanubrutinib once or twice daily orally and in combination with sonrotoclax starting from Cycle 4 onwards at increasing doses until target dose is reached and continuing until end of Cycle 15 (each cycle is 28 days)
Venetoclax Plus ObinutuzumabACTIVE_COMPARATORParticipants will receive obinutuzumab 100mg intravenously on Day 1 Cycle 1, followed by 900 mg on Day 2 Cycle 1 (or alternatively receive 1000 mg intravenously on Day 1), followed by 1000 mg on Days 8 and 15 of Cycle 1 and thereafter on Day 1 of Cycles 2 through 6 (each cycle is 28 days) in combination with venetoclax at increasing doses until target dose is reached from Day 22 Cycle 1 until end of Cycle 12 (each cycles is 28 days)
Assigned InterventionsEXPERIMENTALExperimental: Sonrotoclax combined with intensive chemotherapy. Subjects receive induction therapy consisting of sonrotoclax combined with a 3+7 regimen. According to the ELN risks and MRD status, subjects who achieve composite complete remission (CRc) proceed with consolidation therapy, and allogeneic hematopoietic stem-cell transplant (allo-HSCT) can be included per investigator's decision. After the consolidation, subjects will receive sonrotoclax combined with azacitidine (AZA) alternating with AZA monotherapy every 2 cycles as maintenance therapy until intolerable toxicity, 12 months, relapse, death, withdrawal of informed consent, or study termination determined by investigators, whichever occurs first.
Arm A: Combination Therapy: Sonrotoclax + ZanubrutinibEXPERIMENTALParticipants will receive sonrotoclax in combination with zanubrutinib daily for a fixed duration of 15 cycles.
Arm B: Monotherapy: ZanubrutinibACTIVE_COMPARATORParticipants will receive zanubrutinib monotherapy daily until disease progression or unacceptable toxicity, whichever occurs first.
Cohort 1EXPERIMENTALParticipants with R/R disease to both Bruton tyrosine kinase (BTK) inhibitor and anti-CD20 antibody-based systemic therapy containing chemotherapy or proteasome inhibitor will receive sonrotoclax at a standard dose, given orally once daily.
Cohort 2EXPERIMENTALParticipants with R/R disease to anti-CD20 antibody-based systemic therapy containing chemotherapy or proteasome inhibitor and were intolerant to BTK inhibitor will receive sonrotoclax at a standard dose, given orally once daily.
Cohort 3EXPERIMENTALParticipants with R/R disease to a BTK inhibitor treatment and are unsuitable for chemoimmunotherapy will receive sonrotoclax at a standard dose, given orally once daily.
Cohort 4EXPERIMENTALParticipants with previously untreated WM will receive sonrotoclax and zanubrutinib combination therapy for a fixed duration.
Arms: 1A,1B and 2A: Zanubrutinib + Sonrotoclax for TN CLLEXPERIMENTALParticipants will receive zanubrutinib alone, followed by a combination with sonrotoclax initiated with a ramp-up according to each schedule defined in the protocol. The total treatment duration is of 15 cycles of 28 days (including the phase of sonrotoclax dose ramp-up)
Arms: 1C and 2B: Zanubrutinib + Sonrotoclax for R/R MCLEXPERIMENTALParticipants will receive zanubrutinib alone, followed by a combination with sonrotoclax initiated with a ramp-up according to each schedule defined in the protocol, for a total of 27 cycles of 28 days (including the phase of sonrotoclax ramp-up), then will continue on zanubrutinib alone until progression of their disease or other treatment discontinuation criteria.
Part A: Phenytoin + SonrotoclaxEXPERIMENTALPart A is designed to determine the effect of multiple doses of phenytoin on sonrotoclax in healthy participants.
Part B: Itraconazole + SonrotoclaxEXPERIMENTALPart B is designed to determine the effect of multiple doses of itraconazole on sonrotoclax in healthy participants.
Part 1 Dose EscalationEXPERIMENTALDose-escalation and de-escalation to determine maximum tolerated dose (MTD) of sonrotoclax plus dexamethasone, sonrotoclax plus dexamethasone plus carfilzomib, sonrotoclax plus dexamethasone plus daratumumab, and sonrotoclax plus dexamethasone plus pomalidomide.
Part 2 Cohort ExpansionEXPERIMENTALThere will be up to 7 expansion cohorts to further evaluate the safety and efficacy of sonrotoclax monotherapy, sonrotoclax plus dexamethasone in combination with dexamethasone plus carfilzomib, and in combination with dexamethasone plus daratumumab
Sonrotoclax Monotherapy Dose Finding: Part 1EXPERIMENTALParticipants with relapsed/refractory (R/R) non-Hodgkin lymphoma (NHL) including follicular lymphoma (FL), diffuse large B-cell lymphoma (DLBCL), marginal zone lymphoma (MZL) or transformed NHL, mantle cell lymphoma (MCL); Waldenströms macroglobulinemia (WM); and chronic lymphocytic leukemia (CLL)/small lymphocytic lymphoma (SLL) will receive oral sonrotoclax evaluated as monotherapy.
Sonrotoclax Monotherapy Expansion Cohorts: Part 2EXPERIMENTALParticipants with R/R indolent NHL including FL, MZL; aggressive NHL including DLBCL, transformed NHL; CLL/SLL with low tumor burden or low creatine clearance; CLL/SLL with without high tumor burden or low creatine clearance will receive oral sonrotoclax at the RP2D dose to further define the safety profile.
Sonrotoclax + Zanubrutinib Combination Therapy Dose Finding: Part 3EXPERIMENTALParticipants with R/R MCL, R/R or treatment-naïve (TN) CLL/SLL will receive oral sonrotoclax in combination with zanubrutinib.
Sonrotoclax + Zanubrutinib Combination Therapy Dose Expansion: Part 4EXPERIMENTALParticipants with R/R indolent NHL including FL, MZL; aggressive NHL including DLBCL, transformed NHL; R/R MCL; R/R or treatment-naïve (TN) CLL/SLL will receive oral sonrotoclax in combination with zanubrutinib at an RP2D dose to further define the safety profile.
Sonrotoclax + Zanubrutinib Combination Therapy Dose Escalation: Part 5EXPERIMENTALParticipants with treatment naïve CLL/SLL will receive oral sonrotoclax in combination with obinutuzumab without and with zanubrutinib.
Sonrotoclax + Zanubrutinib Combination Therapy Dose Expansion: Part 6EXPERIMENTALParticipants with treatment naïve CLL/SLL will receive oral sonrotoclax in combination with obinutuzumab without and with zanubrutinib at an RP2D dose to further define the safety profile.
Interventions
NameTypeDescription
SonrotoclaxDRUGAdministered orally.
ZanubrutinibDRUGAdministered orally.
AcalabrutinibDRUGAdministered orally.
VenetoclaxDRUGAdministered orally.
ObinutuzumabDRUGAdministered intravenously
RituximabDRUGAdministered intravenously
PlaceboDRUGAdministered orally
idarubicin/daunorubicinDRUGidarubicin: On D1-3, intravenously, 10 mg/m\^2 for subjects aged \<60 years, 6 mg/m\^2 for subjects aged ≥60 years daunorubicin: On D1-3, intravenously, 60 mg/m\^2 for subjects aged \<60 years, 40 mg/m\^2 for subjects aged ≥60 years
CytarabineDRUGIn induction therapy phase: intravenously, 100 mg/m\^2 on D1-7. In consolidation therapy phase: subjects with favorable-risk and MRD negative will receive cytarabine intravenously at 2 g/m\^2/q12h for those aged \<60 years, at 1g/m\^2/q12h for those ≥60 years on D1-3 or 3+7 regimen, and subjects with favorable-risk and MRD positive or intermediate or adverse-risk will receive cytarabine intravenously at 1 g/m\^2/d q12h on D1-3(in combination with sonrotoclax).
AzacitidineDRUG75 mg/m\^2, subcutaneously, once daily, on D1-7
allo-HSCTPROCEDUREPer standard of procedure
PhenytoinDRUGAdministered orally.
ItraconazoleDRUGAdministered orally.
DexamethasoneDRUGOnce weekly either orally or intravenously
CarfilzomibDRUGAdministered intravenously weekly
DaratumumabDRUGAdministered subcutaneously weekly
PomalidomideDRUGAdministered orally daily
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Eligibility Criteria
Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites91

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 bone marrow and organ function Exclusion Criteri...

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Recent Changes (Last 90 Days)
LOWJul 24, 2026NCT04973605lastUpdatePostDate: changed
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