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Study of BTK Inhibitor BGB-3111 in Chinese Subjects With Relapsed/Refractory Waldenström's Macroglobulinemia (WM)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT03332173
Recruitment Status : Completed
First Posted : November 6, 2017
Results First Posted : March 8, 2022
Last Update Posted : March 9, 2022
Information provided by (Responsible Party):

Brief Summary:
This was a single-arm, multicenter Phase 2 study in Chinese participants with relapsed or refractory Waldenström's macroglobulinemia who exhibited one or more of the criteria for requiring treatment based on consensus guidelines from the Seventh International Workshop on Waldenström's Macroglobulinemia (IWWM). The study comprised an initial screening phase (up to 28 days), a single-arm treatment phase, and a follow-up phase.

Condition or disease Intervention/treatment Phase
Waldenström's Macroglobulinemia (WM) Drug: Zanubrutinib Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 44 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 2, Single-Arm, Open-Label, Multicenter Study of Bruton's Tyrosine Kinase (BTK) Inhibitor BGB-3111 in Chinese Subjects With Relapsed/Refractory Waldenström's Macroglobulinemia (WM)
Actual Study Start Date : August 31, 2017
Actual Primary Completion Date : May 8, 2019
Actual Study Completion Date : January 11, 2021

Arm Intervention/treatment
Experimental: Zanubrutinib
Zanubrutinib 160 mg orally twice daily with or without food until progressive disease or intolerable toxicity
Drug: Zanubrutinib
Oral administration using 80 mg capsules
Other Names:
  • BGB-3111
  • Brukinsa

Primary Outcome Measures :
  1. Major Response Rate (MRR) as Assessed by the Independent Review Committee [ Time Frame: Up to approximately 1 year and 9 months ]
    MRR is defined as the percentage of participants who achieved complete response (CR) + very good partial response (VGPR) + partial response (PR), as assessed by an independent review committee according to modified Owen's criteria

Secondary Outcome Measures :
  1. Progression Free Survival (PFS) [ Time Frame: Up to approximately 1 year and 9 months ]
    PFS is defined as the time from first dose until first documentation of progression or death, whichever comes first, as assessed by an independent review committee using modified Owen's criteria

  2. PFS: Event-free Rate [ Time Frame: Up to approximately 1 year and 9 months ]
    Progression/death event-free rates were estimated by Kaplan-Meier method with 95% confidence intervals (CIs) estimated using Greenwood's formula

  3. Overall Response Rate (ORR) [ Time Frame: Up to approximately 1 year and 9 months ]
    ORR is defined as the percentage of participants with a minor, partial, very good partial, and complete response, as assessed by an independent review committee using modified Owen's criteria

  4. Duration of Major Response (DOMR) [ Time Frame: Up to approximately 1 year and 9 months ]
    DOMR is defined as the time from the date that the major response criteria are first met to the date that progressive disease (PD) is objectively documented or death, whichever comes first, as assessed by an independent review committee using modified Owen's criteria

  5. DOMR: Event-free Rate [ Time Frame: Up to approximately 1 year and 9 months ]
    DOMR event-free rates were estimated by Kaplan-Meier method with 95% CIs estimated using Greenwood's formula

  6. Number of Participants With Resolution of Treatment-precipitating Symptoms [ Time Frame: Up to approximately 1 year and 9 months ]
    Number of participants with resolution of treatment-precipitating symptoms, defined as any resolution (from "Yes" at baseline to "No" at any postbaseline point onwards during study) of the indications for initiation of therapy in WM signs and symptoms evaluation.

  7. Number of Participants With an Anti-lymphoma Effect [ Time Frame: Up to approximately 1 year and 9 months ]
    Number of participants with an anti-lymphoma effect, defined as any reduction during the course of study in bone marrow involvement by lymphoplasmacytoid lymphocytes and/or size of lymphadenopathy and/or splenomegaly by computed tomography scan as assessed by an independent review committee; lymphadenopathy is defined as any node with longest diameter (LDi) > 1.5 cm and splenomegaly is defined as vertical spleen length > 13 cm

  8. Number of Participants With Adverse Events [ Time Frame: Up to approximately 3 years and 5 months ]
    Number of participants with treatment-emergent adverse events (TEAEs), grade 3 or higher TEAEs, serious adverse events (SAEs), treatment-related adverse events (AEs), adverse events of special interest, and TEAEs leading to study drug discontinuation, dose reduction and treatment interruption

Information from the National Library of Medicine

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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:

  1. Clinical and definitive histologic diagnosis of WM, meeting at least one criterion for treatment according to consensus panel criteria from the Seventh IWWM.
  2. WM pathology confirmation by central lab prior to study enrollment. Previous pathology report, concurrently with newly generated central lab report to be reviewed to support WM diagnosis.
  3. Men and women ≥ 18 years of age.
  4. Eastern Cooperative Oncology Group (ECOG) performance status of 0-2.
  5. Previously treated with a minimum of 1 prior line of standard chemotherapy-containing regimen (with completion of ≥ 2 continuous treatment cycles).
  6. Documented failure to achieve at least minor response or documented disease progression after response to the most recent treatment regimen.
  7. Neutrophils ≥ 0.75 x 10^9/L independent of growth factor support within 7 days of first dose.
  8. Platelets ≥ 50 x 10^9/L, independent of growth factor support or transfusion within 7 days of first dose.
  9. Hemoglobin ≥80 g/L, independent of erythropoietin (EPO) support or transfusion within 7 days of first dose of study drug.
  10. Creatinine clearance of ≥ 30 mL/min (as estimated by the Cockcroft-Gault equation or estimated glomerular filtration rate [eGFR] from the Modification of Diet in Renal Disease [MDRD]).
  11. Aspartate transaminase (AST) and alanine aminotransferase (ALT) ≤ 3.0 x upper limit of normal (ULN).
  12. Bilirubin ≤ 2 x ULN (unless documented Gilbert's syndrome).
  13. International normalized ratio ≤ 1.5 and activated partial thromboplastin time ≤ 1.5 x ULN. Participants with lupus anticoagulant or acquired von Willebrand disease due to WM may be enrolled after discussion with the medical monitor.
  14. ECHO must demonstrate left ventricular ejection fraction (LVEF) ≥50%.
  15. Participants who relapse after autologous stem cell transplant may be enrolled if they are at least 6 months after transplant at screening. To be eligible after transplant, participants should have no active related infections.
  16. Females of childbearing potential must agree to use highly effective forms of birth control throughout the course of the study and at least up to 90 days after last dose of study drug. Highly effective forms of birth control can be defined as abstinence, hysterectomy, bilateral oophorectomy with no menstrual bleeding for up to 6 months, intrauterine contraception, hormonal methods such as contraceptive injection, oral contraceptive, etc. Males must have undergone sterilization-vasectomy, or use a barrier method where the female partner uses the effective forms of birth control noted above and must not donate sperm for at least 90 days after last dose of study drug.
  17. Life expectancy of > 4 months.
  18. Able to provide written informed consent and can understand and comply with the requirements of the study.

Key Exclusion Criteria:

  1. Central nervous system (CNS) involvement by WM.
  2. Prior exposure to a BTK inhibitor.
  3. Evidence of disease transformation.
  4. Prior corticosteroids given in excess of prednisone 10 mg/day or its equivalent with antineoplastic intent within 7 days, prior chemotherapy, targeted therapy, or radiation therapy within 3 weeks, antineoplastic therapy with Chinese herbal medicine or antibody based therapies within 4 weeks of the start of study drug.
  5. Major surgery within 4 weeks of randomization.
  6. Toxicity of ≥ Grade 1 from prior anti-cancer therapy (except for absolute neutrophil count [ANC], platelets, and hemoglobin. For ANC, platelets, and hemoglobin, please follow inclusion criteria #7 [neutrophils], #8 [platelets], and #9 [hemoglobin]).
  7. History of other active malignancies within 2 years of study entry, with exception of (1) adequately treated in-situ carcinoma of cervix; (2) localized basal cell or squamous cell carcinoma of skin; (3) previous malignancy confined and treated locally (surgery or other modality) with curative intent.
  8. Currently active clinically significant cardiovascular disease such as uncontrolled arrhythmia, uncontrolled hypertension, congestive heart failure, any Class 3 or 4 cardiac disease as defined by the New York Heart Association (NYHA) Functional Classification, or history of myocardial infarction within 6 months of screening.
  9. QTcF prolongation (defined as a QTc >480 msecs based on Fridericia's formula) or other significant ECG abnormalities including second degree atrioventricular (AV) block Type II, or third degree AV block.
  10. Unable to swallow capsules or disease significantly affecting gastrointestinal function such as malabsorption syndrome, resection of the stomach or small bowel, symptomatic inflammatory bowel disease, or partial or complete bowel obstruction.
  11. Active infection including infections requiring oral or intravenous anti-microbial therapy.
  12. Known human immunodeficiency virus (HIV), or active hepatitis B or hepatitis C infection (detected positive by polymerase chain reaction [PCR]).
  13. Pregnant or lactating women.
  14. Any life-threatening illness, medical condition or organ system dysfunction which, in the investigator's opinion, could compromise the subject's safety, or put the study at risk.
  15. On medications which are strong CYP3A inhibitors or strong CYP3A inducers.
  16. History of stroke or intracranial hemorrhage within 6 months prior to enrollment.
  17. Has received allogenic hematopoietic stem cell transplantation prior to enrollment.

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

Information from the National Library of Medicine

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): NCT03332173

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China, Beijing
Peking Union Medical College Hospital
Beijing, Beijing, China
Peking University People's Hospital
Beijing, Beijing, China
China, Guangdong
Guangdong General Hospital
Guangzhou, Guangdong, China
China, Henan
Henan Cancer Hospital
Zhengzhou, Henan, China
China, Hubei
Tongji Hospital affiliated with Tongji Medical College of Huazhong University of Science and Technology
Wuhan, Hubei, China
China, Jiangsu
Jiangsu Province Hospital
Nanjing, Jiangsu, China
The First Affiliated Hospital of Soochow University
Suzhou, Jiangsu, China
China, Shanghai
Ruijin Hospital, Shanghai Jiaotong University School of Medicine
Shanghai, Shanghai, China
China, Sichuan
West China Hospital, Sichuan University
Chengdu, Sichuan, China
China, Tianjin
Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences
Tianjin, Tianjin, China
China, Zhejiang
The First Affiliated Hospital, College of Medicine, Zhejiang University
Hangzhou, Zhejiang, China
Sponsors and Collaborators
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Principal Investigator: Study Director BeiGene
  Study Documents (Full-Text)

Documents provided by BeiGene:
Study Protocol  [PDF] March 30, 2018
Statistical Analysis Plan  [PDF] May 15, 2019

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Responsible Party: BeiGene
ClinicalTrials.gov Identifier: NCT03332173    
Other Study ID Numbers: BGB-3111-210
CTR20170208 ( Registry Identifier: Center for drug evaluation, NMPA )
First Posted: November 6, 2017    Key Record Dates
Results First Posted: March 8, 2022
Last Update Posted: March 9, 2022
Last Verified: March 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Waldenstrom Macroglobulinemia
Neoplasms, Plasma Cell
Neoplasms by Histologic Type
Hemostatic Disorders
Vascular Diseases
Cardiovascular Diseases
Blood Protein Disorders
Hematologic Diseases
Hemorrhagic Disorders
Lymphoproliferative Disorders
Lymphatic Diseases
Immunoproliferative Disorders
Immune System Diseases
Antineoplastic Agents
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action