A Study Comparing Zanubrutinib With Bendamustine Plus Rituximab in Participants With Previously Untreated CLL or SLL (SEQUOIA)
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ClinicalTrials.gov Identifier: NCT03336333 |
Recruitment Status :
Active, not recruiting
First Posted : November 8, 2017
Last Update Posted : March 8, 2023
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Condition or disease | Intervention/treatment | Phase |
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Chronic Lymphocytic Leukemia Small Lymphocytic Lymphoma | Drug: Zanubrutinib Drug: Bendamustine Drug: Rituximab Drug: Venetoclax | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 740 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | An International, Phase 3, Open-Label, Randomized Study of BGB-3111 Compared With Bendamustine Plus Rituximab in Patients With Previously Untreated Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma (CLL/SLL) |
Actual Study Start Date : | November 2, 2017 |
Actual Primary Completion Date : | October 31, 2022 |
Estimated Study Completion Date : | September 2026 |

Arm | Intervention/treatment |
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Experimental: Cohort 1, Arm A: Zanubrutinib
Participants will receive zanubrutinib until unacceptable toxicity or disease progression
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Drug: Zanubrutinib
Administered as two 80-mg capsules by mouth twice a day (160 mg twice a day)
Other Names:
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Experimental: Cohort 1, Arm B: B+R
Participants will receive bendamustine plus rituximab for up to six 28-day cycles
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Drug: Bendamustine
Administered intravenously (IV) at a dose of 90 mg/m2/day on the first 2 days of each cycle for 6 cycles.
Other Name: Treanda, Ribomustin, and Levact Drug: Rituximab Administered intravenously (IV) at a dose of 375 mg/m2 on day 0 of cycle 1, and at a dose of 500 mg/m2 on day 1 of cycles 2 to 6.
Other Name: Rituxan, MabThera |
Experimental: Cohort 1a, Arm A (China only): Zanubrutinib
Participants will receive zanubrutinib until unacceptable toxicity or disease progression
|
Drug: Zanubrutinib
Administered as two 80-mg capsules by mouth twice a day (160 mg twice a day)
Other Names:
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Experimental: Cohort 1a, Arm B (China only): B + R
Participants will receive bendamustine plus rituximab for up to six 28-day cycles
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Drug: Bendamustine
Administered intravenously (IV) at a dose of 90 mg/m2/day on the first 2 days of each cycle for 6 cycles.
Other Name: Treanda, Ribomustin, and Levact Drug: Rituximab Administered intravenously (IV) at a dose of 375 mg/m2 on day 0 of cycle 1, and at a dose of 500 mg/m2 on day 1 of cycles 2 to 6.
Other Name: Rituxan, MabThera |
Experimental: Cohort 2, Arm C: Zanubrutinib
Participants will receive zanubrutinib until unacceptable toxicity or disease progression
|
Drug: Zanubrutinib
Administered as two 80-mg capsules by mouth twice a day (160 mg twice a day)
Other Names:
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Experimental: Cohort 3, Arm D: Venetoclax + zanubrutinib
Approximately 110 participants, 50 without del17p and 60 with del[17p] or TP53 mutation will receive venetoclax until unacceptable toxicity, disease progression, or for maximum of 24 cycles; Participants will also receive zanubrutinib for a minimum of 27 cycles, or until unacceptable toxicity or disease progression, whichever occurs first. Each cycle is 28 days.
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Drug: Zanubrutinib
Administered as two 80-mg capsules by mouth twice a day (160 mg twice a day)
Other Names:
Drug: Venetoclax 400mg tablets administered orally once daily.
Other Name: Venclexta, Venclyxto |
- Cohort 1: Progression-free survival (PFS) between treatment groups (Zanubrutinib vs. B+R) as determined by independent central review (ICR). [ Time Frame: Up to 5 years ]
- Cohort 1: Overall response rate (ORR) between treatment groups [ Time Frame: Up to 5 years ]
- Pooled Cohort 1/1a: Overall response rate (ORR) between treatment groups [ Time Frame: Up to 5 yearsl ]
- Cohort 1: Overall survival (OS) between treatment groups [ Time Frame: Up to 5 years. ]
- Cohort 1: Duration of response (DOR) between treatment groups [ Time Frame: Up to 5 years ]
- Pooled Cohort 1/1a: Duration of response (DOR) between treatment groups [ Time Frame: Up to 5 years ]
- Cohort 1: Progression-free survival (PFS) between treatment groups determined by investigator assessment (IA). [ Time Frame: Up to 5 years ]
- Pooled Cohort 1/1a: Progression-free survival (PFS) between treatment groups determined by investigator assessment (IA). [ Time Frame: Up to 5 years ]
- Cohort 1: Patient-reported outcomes as assessed by the (European Quality Of Life 5D 5L) EQ-5D-5L questionnaire [ Time Frame: Up to 5 years ]
- Cohort 1: Patient-reported outcomes as assessed by the European Organization for Research and Treatment of Cancer quality of life questionnaire (EORTC QLQ-C30) questionnaire. [ Time Frame: Up to 5 years ]
- Cohort 2: Overall response rate (ORR) [ Time Frame: Up to 5 years ]
- Cohort 2: Progression-free survival (PFS) [ Time Frame: Up to 5 years ]
- Cohort 2: Duration of response (DOR) [ Time Frame: Up to 5 years ]
- Cohort 3: Overall response rate (ORR) [ Time Frame: Up to 5 years. ]
- Cohort 3: Progression-free survival (PFS) [ Time Frame: Up to 5 years. ]
- Cohort 3: Duration of response (DOR) [ Time Frame: Up to 5 years. ]
- Cohort 3: Rate of undetectable minimal residual disease (MRD4) [ Time Frame: Up to 5 years. ]
- Number of participants experiencing Adverse Events (AEs) [ Time Frame: Up to 5 years. ]
- Number of participants experiencing Serious Adverse Events (SAEs) [ Time Frame: Up to 5 years. ]
- Apparent rate of clearance of zanubrutinib from plasma (CL/F)CL/F [ Time Frame: Predose up to 12 hours postdose ]
- Cohort 1 Zanubrutinib only arms: Area-Under-Curve from time 0 to 12 hours postdose (AUC0-12) [ Time Frame: Predose up to 12 hours postdose ]
- Cohort 3: Area-Under-Curve from time 0 to 12 hours postdose (AUC0-12) of zanubrutinib [ Time Frame: Predose up to 12 hours postdose ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Key Inclusion Criteria:
- Unsuitable for chemoimmunotherapy with fludarabine, cyclophosphamide, and rituximab (FCR)
- Confirmed diagnosis of CD20-positive CLL or SLL, requiring treatment
- Measurable disease by imaging
- Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2
- Life expectancy ≥ 6 months
- Adequate bone marrow function
- Adequate renal and hepatic function
Key Exclusion Criteria:
- Previous systemic treatment for CLL/SLL
- Requires ongoing need for corticosteroid treatment
- Known prolymphocytic leukemia or history of or suspected Richter's transformation.
- Clinically significant cardiovascular disease
- Prior malignancy within the past 3 years, except for curatively treated basal or squamous cell skin cancer, non-muscle-invasive bladder cancer, carcinoma in situ of the cervix of breast, or localized Gleason score 6 prostate cancer
- History of severe bleeding disorder
- History of stroke or intracranial hemorrhage within 6 months before the first dose of study drug
- Severe or debilitating pulmonary disease
- Inability to swallow capsules or disease affecting gastrointestinal function
- Active infection requiring systemic treatment
- Known central nervous system involvement by leukemia or lymphoma
- Underlying medical condition that will render the administration of study drug hazardous or obscure interpretation of toxicity or AEs
- Known infection with human immunodeficiency virus (HIV) or active hepatitis B or C infection
- Major surgery ≤ 4 weeks prior to start of study treatment
- Pregnant or nursing females
- Vaccination with live vaccine within 35 days prior to the first dose of study drug.
- Ongoing alcohol or drug addiction
- Known hypersensitivity to zanubrutinib, bendamustine, rituximab, or venetoclax (as applicable) or any other ingredients of the study drugs
- Requires ongoing treatment with strong cytochrome P450 (CYP3A) inhibitor or inducer
- Concurrent participation in another therapeutic clinical study
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03336333

Study Director: | Jason Paik, MD, PhD | BeiGene |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | BeiGene |
ClinicalTrials.gov Identifier: | NCT03336333 |
Other Study ID Numbers: |
BGB-3111-304 2017-001551-31 ( EudraCT Number ) CTR20190416 ( Registry Identifier: Center for drug evaluation, NMPA ) |
First Posted: | November 8, 2017 Key Record Dates |
Last Update Posted: | March 8, 2023 |
Last Verified: | March 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | Yes |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
zanubrutinib BTK inhibitor bendamustine rituximab |
venetoclax BGB-3111 Phase 3 |
Lymphoma Leukemia Leukemia, Lymphoid Leukemia, Lymphocytic, Chronic, B-Cell Neoplasms by Histologic Type Neoplasms Lymphoproliferative Disorders Lymphatic Diseases Immunoproliferative Disorders Immune System Diseases Leukemia, B-Cell Rituximab Venetoclax |
Bendamustine Hydrochloride Zanubrutinib Antineoplastic Agents, Immunological Antineoplastic Agents Immunologic Factors Physiological Effects of Drugs Antirheumatic Agents Antineoplastic Agents, Alkylating Alkylating Agents Molecular Mechanisms of Pharmacological Action Protein Kinase Inhibitors Enzyme Inhibitors |