- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01671904
A Study of Venetoclax in Combination With Bendamustine + Rituximab or Bendamustine + Obinutuzumab in Participants With Relapsed/Refractory or Previously Untreated Chronic Lymphocytic Leukemia (CLL)
October 12, 2020 updated by: Genentech, Inc.
A Phase IB, Open-Label Study Evaluating the Safety and Pharmacokinetics of Venetoclax (GDC-0199, ABT-199) in Combination With Bendamustine+Rituximab (BR) or Bendamustine+Obinutuzumab (BG) in Patients With Relapsed/Refractory or Previously Untreated Chronic Lymphocytic Leukemia
This multi-center, open-label, dose-finding study will evaluate the safety and pharmacokinetics of venetoclax (GDC-0199, ABT-199) administered in combination with bendamustine and rituximab (BR) (MabThera/Rituxan) or bendamustine and obinutuzumab (BG) to participants with first-line (1L)/previously untreated or relapsed/refractory (R/R) chronic lymphocytic leukemia (CLL).
The study will explore two venetoclax combination regimens in participants with 1L CLL: BR+venetolax (V) and BG+V.
Participants with R/R CLL will be administered BR+V.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
84
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Lille, France, 59037
- Hôpital Claude Huriez
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Montpellier, France, 34295
- Hopital Saint Eloi
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Pierre Benite, France, 69495
- Centre Hospitalier Lyon Sud
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Rouen, France, 76038
- Centre Henri Becquerel
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Freiburg, Germany, 79106
- Apotheke des Universitätsklinikums Freiburg
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Köln, Germany, 50924
- Universitätsklinik Köln
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München, Germany, 80804
- Klinikum Schwabing
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Ulm, Germany, 89081
- Universtitätsklinikum Ulm; Klinik für Innere Medizin III
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California
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La Jolla, California, United States, 92093-5354
- University of California San Diego Medical Center
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Illinois
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Harvey, Illinois, United States, 60426
- Ingalls Hospital; Cancer Clinical Trials
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Michigan
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Detroit, Michigan, United States, 48201
- Karmanos Cancer Institute
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Washington
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Yakima, Washington, United States, 98902
- North Star Lodge
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Diagnosis of relapsing/refractory or previously untreated CLL
- Eastern Cooperative Oncology Group (ECOG) performance score of less than equal to (</=) 1
- Adequate bone marrow function
- Adequate coagulation, renal and hepatic function
- Hematological values within the limits independent of growth factor support or transfusion unless cytopenia is caused by the underlying disease, i.e., no evidence of additional bone marrow dysfunction (e.g., myelodysplastic syndrome, hypoplastic bone marrow)
Exclusion Criteria:
- Participants received an allogeneic stem cell transplant
- Known human immunodeficiency virus (HIV) positivity
- Uncontrolled autoimmune hemolytic anemia or thrombocytopenia
- Positive test results for chronic hepatitis B infection and hepatitis C virus (HCV)
- Received any anti-cancer therapy including chemotherapy or radiotherapy, steroid therapy for anti-neoplastic intent, and investigational therapy, including targeted small molecule agents within 28 days prior to the first dose of study drug or has not recovered to less than Grade 2 clinically significant adverse effect(s)/toxicity(s) of the previous therapy
- Significant history of renal, neurologic, psychiatric, endocrinologic, metabolic, immunologic, cardiovascular, or hepatic disease
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: 1L CLL BR+V
Participants with first-line (1L)/previously untreated CLL were administered escalating doses of venetoclax (V) in combination with fixed dose bendamustine and rituximab (BR).
Participants received six 28-day cycles of BR+V.
Participants with 1L CLL received 6 months of single-agent venetoclax for a total of 1-year treatment duration.
Single-agent venetoclax could be extended if there was detectable minimal residual disease (MRD) in the bone marrow and/or partial response (PR) after 1 year of treatment and upon the request of the treating physician.
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Participants will receive intravenous (IV) infusion of bendamustine (90 or 70 milligrams per square meter [mg/m^2]) on Days 2-3 of Cycle 1 and Days 1-2 of Cycles 2-6.
Participants will receive IV infusion of rituximab (375 mg/m^2) on Day 1 of Cycle 1 and 500 mg/m^2 administered on Day 1 of Cycles 2-6.
Other Names:
Participants will receive multiple doses of venetoclax orally once daily.
Other Names:
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Experimental: 1L CLL BG+V
Participants with first-line (1L)/previously untreated CLL were administered escalating doses of venetoclax (V) in combination with fixed dose bendamustine and obinutuzumab (BG).
Participants received six 28-day cycles of BG+V.
Participants with 1L CLL received 6 months of single-agent venetoclax for a total of 1-year treatment duration.
Single-agent venetoclax could be extended if there was detectable minimal residual disease (MRD) in the bone marrow and/or partial response (PR) after 1 year of treatment and upon the request of the treating physician.
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Participants will receive intravenous (IV) infusion of bendamustine (90 or 70 milligrams per square meter [mg/m^2]) on Days 2-3 of Cycle 1 and Days 1-2 of Cycles 2-6.
Participants will receive multiple doses of venetoclax orally once daily.
Other Names:
Participants will receive IV infusion of obinutuzumab (100 milligrams [mg]) on Day 1 of Cycle 1; 900 mg administered on Day 2 of Cycle 1; and 1000 mg administered on Days 8 and 15 of Cycle 1 and on Day 1 of Cycles 2-6.
Other Names:
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Experimental: R/R CLL BR+V
Participants with relapsed/refractory (R/R) CLL were administered escalating doses of venetoclax (V) in combination with fixed dose bendamustine and rituximab (BR).
Participants received six 28-day cycles of BR+V.
Participants with R/R CLL continued single-agent venetoclax until disease progression, death, or unacceptable toxicity.
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Participants will receive intravenous (IV) infusion of bendamustine (90 or 70 milligrams per square meter [mg/m^2]) on Days 2-3 of Cycle 1 and Days 1-2 of Cycles 2-6.
Participants will receive IV infusion of rituximab (375 mg/m^2) on Day 1 of Cycle 1 and 500 mg/m^2 administered on Day 1 of Cycles 2-6.
Other Names:
Participants will receive multiple doses of venetoclax orally once daily.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of Participants With Dose Limiting Toxicities (DLTs)
Time Frame: Schedule (Sch) A (venetoclax [V] introduced before other agents): Cycle 1 Day 1 (Cy1D1) to Cy1D21; Sch B (V introduced after other agents): Cy1D21 to Cy2D28; Cycle length = 28 days.
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DLTs in this study were defined as specific adverse events (AEs) occurring during the DLT observation window: 1) Grade 4 neutropenia not responsive to granulocyte colony stimulating factors (G-CSF) lasting more than 14 days; 2) Grade 3 or 4 febrile neutropenia with fever lasting longer than 4 days; 3) Grade 4 thrombocytopenia resulting in bleeding, or that did not improve to Grade </=2 within 3 weeks; 4) Clinical tumor lysis syndrome (TLS) defined by the presence of laboratory TLS and one or more clinical manifestations related to the electrolyte abnormalities; 5) Grade 4 infusion-related reactions (IRRs) secondary to rituximab or obinutuzumab despite appropriate premedication and administration rate; 6) All other Grades 3, 4, or 5 AEs persisting for more than 2 weeks with or without treatment with some exceptions.
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Schedule (Sch) A (venetoclax [V] introduced before other agents): Cycle 1 Day 1 (Cy1D1) to Cy1D21; Sch B (V introduced after other agents): Cy1D21 to Cy2D28; Cycle length = 28 days.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Plasma Concentrations of Venetoclax
Time Frame: Sch A: Ramp-up D1, 8, 15, 22, 29: predose (pd), 8 h; Cy1D1: pd; Cy1D3: pd, 2, 4, 6, 8, 10 h; Cy2D1, Cy4D1, Cy6D1: pd. Sch B: Cy1D1: pd; Cy1D22, Cy2D1, Cy2D8, Cy2D15, Cy2D22 (ramp-up): pd, 8 h; Cy3D1: pd, 2, 4, 6, 8 h; Cy4D1, Cy6D1: pd.
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Sch A: Ramp-up D1, 8, 15, 22, 29: predose (pd), 8 h; Cy1D1: pd; Cy1D3: pd, 2, 4, 6, 8, 10 h; Cy2D1, Cy4D1, Cy6D1: pd. Sch B: Cy1D1: pd; Cy1D22, Cy2D1, Cy2D8, Cy2D15, Cy2D22 (ramp-up): pd, 8 h; Cy3D1: pd, 2, 4, 6, 8 h; Cy4D1, Cy6D1: pd.
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Serum Concentrations of Rituximab
Time Frame: Sch A: Cy1D1, Cy2D1, Cy4D1, Cy6D1: predose, end of infusion. Sch B: Cy1D1: predose, end of infusion; Cy2D1, (ramp-up): predose, end of infusion; Cy3D1, Cy4D1, Cy6D1: predose.
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Sch A: Cy1D1, Cy2D1, Cy4D1, Cy6D1: predose, end of infusion. Sch B: Cy1D1: predose, end of infusion; Cy2D1, (ramp-up): predose, end of infusion; Cy3D1, Cy4D1, Cy6D1: predose.
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Serum Concentrations of Obinutuzumab
Time Frame: Sch A: Cy1D1, Cy1D2: pd, end of infusion (EoI); Cy1D3: pd; Cy1D8, Cy1D15, Cy2D1: pd, EoI; Cy3D1, Cy4D1, Cy5D1, Cy6D1: pd; Sch B: Cy1D1, Cy1D2, Cy1D8, Cy1D15: pd, EoI; Cy1D22 (ramp-up): pd; Cy2D1, Cy3D1, Cy4D1, Cy5D1, Cy6D1: pd, EoI.
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Sch A: Cy1D1, Cy1D2: pd, end of infusion (EoI); Cy1D3: pd; Cy1D8, Cy1D15, Cy2D1: pd, EoI; Cy3D1, Cy4D1, Cy5D1, Cy6D1: pd; Sch B: Cy1D1, Cy1D2, Cy1D8, Cy1D15: pd, EoI; Cy1D22 (ramp-up): pd; Cy2D1, Cy3D1, Cy4D1, Cy5D1, Cy6D1: pd, EoI.
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Plasma Concentrations of Bendamustine
Time Frame: Sch A: Cy1D2: predose, end of infusion. Sch B: Cy1D2, Cy3D2: predose, end of infusion.
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Sch A: Cy1D2: predose, end of infusion. Sch B: Cy1D2, Cy3D2: predose, end of infusion.
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Percentage of Participants With a Best Overall Response of Complete Response (CR) or Partial Response (PR) According to International Workshop on Chronic Lymphocytic Leukemia (IWCLL) 2008 Guidelines
Time Frame: Baseline up to approximately 5.75 years
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CR or CR with incomplete bone marrow recovery (CRi) or PR or nodular PR (nPR) was determined by the investigator according to IWCLL 2008 criteria.
CR requires all of the following: Peripheral blood lymphocytes below 4x10^9/L, absence of lymphadenopathy by physical examination and computed tomography (CT) scan, No hepatomegaly or splenomegaly, Absence of disease or constitutional symptoms, Blood counts of neutrophils >1.5*10^9/L, platelets >100*10^9/L and hemoglobin >110 g/L, Bone marrow at least normocellular for age without clonal infiltrate (except for Cri).
PR: two of the following features for at least 2 months: >/= 50% decrease in peripheral blood lymphocyte count from the pretreatment value, >/=50% reduction in lymphadenopathy, >/=50% reduction of liver and/or spleen enlargement, and at least one of the following blood counts: neutrophils >1.5*10^9/L, platelets >100*10^9/L and hemoglobin >110 g/L.
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Baseline up to approximately 5.75 years
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Duration of Response According to IWCLL 2008 Guidelines
Time Frame: Baseline up to approximately 5.75 years
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CR or CR with incomplete bone marrow recovery (CRi) or PR or nodular PR (nPR) was determined by the investigator according to IWCLL 2008 criteria.
CR requires all of the following: Peripheral blood lymphocytes below 4x10^9/L, absence of lymphadenopathy by physical examination and computed tomography (CT) scan, No hepatomegaly or splenomegaly, Absence of disease or constitutional symptoms, Blood counts of neutrophils >1.5*10^9/L, platelets >100*10^9/L and hemoglobin >110 g/L, Bone marrow at least normocellular for age without clonal infiltrate (except for Cri).
PR: two of the following features for at least 2 months: >/= 50% decrease in peripheral blood lymphocyte count from the pretreatment value, >/=50% reduction in lymphadenopathy, >/=50% reduction of liver and/or spleen enlargement, and at least one of the following blood counts: neutrophils >1.5*10^9/L, platelets >100*10^9/L and hemoglobin >110 g/L.
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Baseline up to approximately 5.75 years
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Percentage of Participants with CR
Time Frame: Baseline up to approximately 5.75 years
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CR or CR with incomplete bone marrow recovery (CRi) was determined by the investigator according to IWCLL 2008 criteria.
CR requires all of the following: Peripheral blood lymphocytes below 4x10^9/L, absence of lymphadenopathy by physical examination and computed tomography (CT) scan, No hepatomegaly or splenomegaly, Absence of disease or constitutional symptoms, Blood counts of neutrophils >1.5*10^9/L, platelets >100*10^9/L and hemoglobin >110 g/L, Bone marrow at least normocellular for age without clonal infiltrate (except for Cri).
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Baseline up to approximately 5.75 years
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Progression-Free Survival (PFS) According to IWCLL 2008 Guidelines
Time Frame: Baseline up to approximately 5.75 years
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PFS was determined according to IWCLL 2008 criteria and defined as the time from randomization to the first occurrence of progressive disease (PD) or death.
Disease progression was characterized by at least one of the following: 1) >/= 50% increase in the absolute number of circulating lymphocytes to at least 5*10^9/L, 2) Appearance of new palpable lymph nodes (> 15 mm in longest diameter) or any new extra-nodal lesion; 3) >/= 50% increase in the longest diameter of any previous site of lymphadenopathy; 4) >/= 50% increase in the enlargement of the liver and/or spleen; 5) Transformation to a more aggressive histology.
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Baseline up to approximately 5.75 years
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Overall Survival (OS)
Time Frame: Baseline up to approximately 5.75 years
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OS was defined as the time from randomization to death from any cause.
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Baseline up to approximately 5.75 years
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Number of Participants With Adverse Events
Time Frame: Up to approximately 5.75 years
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An adverse event is any untoward medical occurrence in a subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with the treatment.
An adverse event can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding, for example), symptom, or disease temporally associated with the use of a pharmaceutical product, whether or not considered related to the pharmaceutical product.
Preexisting conditions which worsen during a study are also considered as adverse events.
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Up to approximately 5.75 years
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
January 13, 2014
Primary Completion (Actual)
August 17, 2018
Study Completion (Actual)
August 11, 2020
Study Registration Dates
First Submitted
August 10, 2012
First Submitted That Met QC Criteria
August 21, 2012
First Posted (Estimate)
August 24, 2012
Study Record Updates
Last Update Posted (Actual)
October 14, 2020
Last Update Submitted That Met QC Criteria
October 12, 2020
Last Verified
October 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Leukemia, B-Cell
- Leukemia
- Leukemia, Lymphocytic, Chronic, B-Cell
- Leukemia, Lymphoid
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antirheumatic Agents
- Antineoplastic Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Antineoplastic Agents, Immunological
- Venetoclax
- Bendamustine Hydrochloride
- Rituximab
- Obinutuzumab
Other Study ID Numbers
- GO28440
- 2012-002351-42 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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