This open-label, randomized study will assess the efficacy and safety of obinutuzumab (RO5072759) in combination with chemotherapy compared to rituximab (MabThera/Rituxan) with chemotherapy followed by obinutuzumab or rituximab maintenance in participants with untreated advanced indolent non-Hodgkin's lymphoma. After the end of the induction period, participants achieving response (Complete response \[CR\] or partial response \[PR\]) will undergo a maintenance period continuing on the randomized antibody treatment alone every 2 months until disease progression for a total of 2 years. Anticipated time on study treatment is up to approximately 2.5 years. After maintenance or observation, participants will be followed for 5 years until progression. After progression, participants will be followed for new anti-lymphoma therapy and overall survival until the end of the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
1,401
Obinutuzumab 1000 milligrams (mg) intravenous (IV) infusion will be administered on Day 1, 8, and 15 of Cycle 1 and then on Day 1 of each subsequent cycle during induction period and obinutuzumab 1000 mg IV infusion every 2 months during maintenance period.
Cyclophosphamide 750 mg/m\^2 IV will be administered on Day 1 of each cycle during induction period.
Doxorubicin 50 mg/m\^2 IV will be administered on Day 1 of each cycle during induction period.
Vincristine 1.4 mg/m\^2 (maximum 2 mg) IV will be administered on Day 1 of each cycle during induction period.
Prednisone 100 mg (or equivalent prednisolone or methylprednisolone) will be administered orally on Days 1-5 of each cycle during induction period.
Bendamustine 90 mg/m\^2 IV infusion will be administered on Days 1 and 2 of each cycle during induction period.
Rituximab 375 milligrams per square meter (mg/m\^2) IV infusion will be administered on Day 1 of each cycle during induction period and rituximab 375 mg/m\^2 every 2 months during maintenance period.
Highlands Oncology Group
Springdale, Arkansas, United States
The Regents of the University of California; Office of Research
Irvine, California, United States
Kootenai Cancer Center
Post Falls, Idaho, United States
Illinois Cancer Care, P.C. - Galesburg
Galesburg, Illinois, United States
Siouxland Hematology/Oncology
Sioux City, Iowa, United States
Progression-Free Survival in the Follicular Lymphoma Population, Investigator-Assessed
Progression-free survival in participants with follicular lymphoma was defined as the time from randomization until the first documented day of disease progression or death from any cause, whichever occurred first, on the basis of investigator assessments according to the Revised Response Criteria for Malignant Lymphoma. Progression was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by computed tomography (CT) or magnetic resonance imaging (MRI).
Time frame: Baseline up to data cut-off (up to approximately 4 years and 7 months)
Progression-Free Survival in the Follicular Lymphoma Population, Investigator-Assessed
Progression-free survival in participants with follicular lymphoma was defined as the time from randomization until the first documented day of disease progression or death from any cause, whichever occurred first, on the basis of investigator assessments according to the Revised Response Criteria for Malignant Lymphoma. Progression was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by computed tomography (CT) or magnetic resonance imaging (MRI).
Time frame: Baseline up to final analysis (up to 10 years)
Progression-Free Survival in the Overall Study Population, Investigator-Assessed
Progression-free survival in the overall study population was defined as the time from randomization until the first documented day of disease progression or death from any cause, whichever occurred first, on the basis of investigator assessments according to the Revised Response Criteria for Malignant Lymphoma. Progression was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by CT/MRI.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Progression-Free Survival (Follicular Lymphoma Population), IRC-Assessed
Progression-free survival in the participants with follicular lymphoma was defined as the time from randomization until the first documented day of disease progression or death from any cause, whichever occurred first, on the basis of IRC assessments according to the Revised Response Criteria for Malignant Lymphoma. Progression was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by CT/MRI. In the first 170 patients with follicular lymphoma, an FDG-PET was mandatory where a PET scanner was available.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Progression-Free Survival (Overall Study Population), Assessed by Independent Review Committee (IRC)
Progression-free survival in the overall study population was defined as the time from randomization until the first documented day of disease progression or death from any cause, whichever occurred first, on the basis of IRC assessments according to the Revised Response Criteria for Malignant Lymphoma. Progression was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by CT/MRI.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Overall Response (Follicular Lymphoma Population), Investigator-Assessed
Overall response in the follicular lymphoma population was defined as percentage of participants with PR or complete response CR determined on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with and without PET. CR was defined as disappearance of all target lesions; PR was defined as \>=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%. Overall Response (OR) = CR + PR.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Overall Response (Overall Study Population), Investigator-Assessed
Overall response in the overall study population was defined as percentage of participants with partial response (PR) or complete response (CR) determined on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without positron emission tomography (PET). CR was defined as disappearance of all target lesions; PR was defined as \>=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%; Overall Response (OR) = CR + PR.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Complete Response (Follicular Lymphoma Population), Investigator-Assessed
Percentage of participants with complete response in the follicular lymphoma population was determined on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Complete Response (Overall Study Population), Investigator-Assessed
Percentage of participants with complete response in the overall study population was determined on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Overall Response (Follicular Lymphoma Population), IRC-Assessed
Overall response in the follicular lymphoma population was defined as percentage of participants with PR or complete response CR determined on the basis of IRC assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions; PR was defined as \>=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%. Overall Response (OR) = CR + PR.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Overall Response (Overall Study Population), IRC-Assessed
Overall response in the overall study population was defined as percentage of participants with PR or CR determined on the basis of IRC assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions; PR was defined as \>=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%; Overall Response (OR) = CR + PR.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Complete Response (Follicular Lymphoma Population), IRC-Assessed
Percentage of participants with complete response in the follicular lymphoma population was determined on the basis of IRC assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions.
Time frame: Baseline up to end of induction period (up to approximately 7 months)
Complete Response (Overall Study Population), IRC-Assessed
Percentage of participants with complete response in the overall study population was determined on the basis of IRC assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI with or without PET. CR was defined as disappearance of all target lesions.
Time frame: Baseline up to end of induction period (up to approximately 7 months)]
Overall Survival (Follicular Lymphoma Population)
Overall survival in the follicular lymphoma population was defined as the time from the date of randomization to the date of death from any cause. Reported is the percentage of participants with event.
Time frame: Baseline up to 10 years
Overall Survival (Overall Study Population)
Overall survival in the overall study population was defined as the time from the date of randomization to the date of death from any cause. Reported is the percentage of participants with event.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Event-Free Survival (Follicular Lymphoma Population)
Event-free survival in the follicular lymphoma population was defined as the time from the date of randomization to the date to disease progression/relapse, death from any cause, or initiation of a new anti-lymphoma treatment (NALT) on the basis of investigator assessment assessments with the use of Revised Response Criteria for Malignant Lymphoma. Disease progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by CT/MRI. Reported is the percentage of participants with an event.
Time frame: Baseline up to 10 years
Event-Free Survival (Overall Study Population)
Event-free survival in the overall study population was defined as the time from the date of randomization to the date to disease progression/relapse, death from any cause, or initiation of a new anti-lymphoma treatment (NALT) on the basis of investigator assessment assessments with the use of Revised Response Criteria for Malignant Lymphoma. Disease progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Tumor measurements were obtained by CT/MRI. Reported is the percentage of participants with event.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Disease-Free Survival (Follicular Lymphoma Population)
Disease-free survival in the follicular lymphoma population was defined as the time from the date of the first occurrence of a documented CR to the date of disease progression/ relapse, or death from any cause for the subgroup of participants with a response of CR at any time prior to NALT on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma (RRCML). Tumor assessments were performed with CT/MRI. CR was defined as disappearance of all target lesions. Progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Reported is the percentage of participants with event.
Time frame: From first occurrence of documented CR to data cut-off (up to approximately 5 years and 2 months)
Disease-Free Survival (Overall Study Population)
Disease-free survival in the overall study population was defined as the time from the date of the first occurrence of a documented CR to the date of disease progression/ relapse, or death from any cause for the subgroup of participants with a response of CR at any time prior to NALT on the basis of investigator assessments with the use of Revised Response Criteria for Malignant Lymphoma. Tumor assessments were performed with CT/MRI. CR was defined as disappearance of all target lesions. Progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm. Reported is the percentage of participants with event.
Time frame: From first occurrence of documented CR to data cut-off (up to approximately 5 years and 2 months)
Duration of Response (DOR) (Follicular Lymphoma Population), Investigator-Assessed
DOR was defined as the time from first occurrence of a documented CR or PR to disease progression/relapse, or death from any cause for participants with a response of CR or PR any time prior to NALT based on RRCML. Tumor assessments were performed with CT/MRI. CR was defined as disappearance of all target lesions. PR was defined as \>/=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%. Progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm.
Time frame: From first occurrence of documented CR or PR to data cut-off (up to approximately 5 years and 2 months)
Duration of Response (DOR) (Overall Study Population), Investigator-Assessed
DOR was defined as the time from first occurrence of a documented CR or PR to disease progression/relapse, or death from any cause for participants with a response of CR or PR any time prior to NALT based on RRCML. Tumor assessments were performed with CT/MRI. CR was defined as disappearance of all target lesions. PR was defined as \>/=50% decrease target lesions in up to six dominant lesions identified at baseline, no new lesions and no increase in the size of the liver, spleen, or other nodes. Splenic and hepatic nodules must have regressed by \>/= 50%. Progression/relapse was defined as at least 50% increase in nodal lesions or \>/=50% increase in any node \> 1 centimeter (cm) or \>/= 50% increase in other target measurable lesions (e.g., splenic or hepatic nodules) and/or appearance of any new bone marrow involvement and/or appearance of any new lesion \> 1.5 cm or \>/= 50% increase in any previously involved node with a diameter \</= 1 cm such that it is now \>1.5 cm.
Time frame: From first occurrence of documented CR or PR to data cut-off (up to approximately 4 years and 7 months)
Time to Next Anti-Lymphoma Treatment (Follicular Lymphoma Population)
Time to next anti-lymphoma treatment was defined as the time from the date of randomization to the start date of the next anti-lymphoma treatment or death from any cause. Reported is the percentage of participants with event.
Time frame: Baseline up to 10 years
Time to Next Anti-Lymphoma Treatment (Overall Study Population)
Time to next anti-lymphoma treatment was defined as the time from the date of randomization to the start date of the next anti-lymphoma treatment or death from any cause. Reported is the percentage of participants with event.
Time frame: Baseline up to data cut-off (up to approximately 5 years and 2 months)
Percentage of Participants With Adverse Events
An adverse event is any untoward medical occurrence in a participant 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.
Time frame: Baseline up to 10 years
Change From Baseline in All Domains of FACT-G (Follicular Lymphoma Population)
FACT-G consists of the following 4 FACT-Lym sub-questionnaires: Physical Well-being (range: 0-28), Social/Family Well-being (range: 0-28), Emotional Well-being (range: 0-24) and Functional Well-being (range: 0-28). Higher scores indicate better outcomes. A positive change from baseline indicates improvement. Maint = Maintenance period.
Time frame: Baseline (Induction Cycle 1, Day 1), data cut-off (up to approximately 5 years and 2 months)
Change From Baseline in FACT-Lym Total Outcome Index (TOI) Score (Follicular Lymphoma Population)
The FACT-Lym TOI Score for the follicular lymphoma population was derived from the following 3 individual FACT-Lym questionnaire subscale scores: Physical Well-being (range: 0-28), Functional Well-being (range: 0-28) and Lymphoma (range: 0-60). The FACT-Lym TOI Score is the sum of the 3 individual subscales (range 0-116). Higher scores indicate better outcomes. A positive change from baseline indicates an improvement.
Time frame: Baseline (Induction Cycle 1, Day 1), data cut-off (up to approximately 5 years and 2 months)
Change From Baseline in FACT-Lym Individual Subscale Lymphoma Score (Follicular Population)
The FACT-Lym Individual Subscale Lymphoma Score for the follicular lymphoma population was derived from the Lymphoma subscale questionnaire (range: 0-60). Higher scores indicate better outcomes. A positive change from baseline indicates an improvement.
Time frame: Baseline (Induction Cycle 1, Day 1), data cut-off (up to approximately 5 years and 2 months)
Change From Baseline in Functional Assessment of Cancer Therapy-Lymphoma (FACT-Lym) Total Score (Follicular Population)
The FACT-Lym Total Score for the follicular lymphoma population was derived from the following 5 individual FACT-Lym questionnaire subscale scores: Physical Well-being (range: 0-28), Social/Family Well-being (range: 0-28), Emotional Well-being (range: 0-24),Functional Well-being (range: 0-28) and Lymphoma (range: 0-60). The FACT-Lym Total Score is the sum of all 5 individual subscales (range 0-168). Higher scores indicate better outcomes. A positive change from baseline indicates an improvement.
Time frame: Baseline (Induction Cycle 1, Day 1), data cut-off (up to approximately 5 years and 2 months)
Change From Baseline in Euro-Quality of Life-5 Dimensions (EQ-5D) Questionnaire Summary Score (Follicular Lymphoma Population) During Induction Phase
The EQ-5D is a quality of life questionnaire with five questions, each with three categories (no problem, moderate problem, severe problems) and a visual analogue scale (VAS) from 0 (worst possible health state) to 100 (best possible health state. Summary score ranges from 0 to 1. Higher scores indicate better outcomes. A positive change from baseline indicates an improvement. Completion (Compl) includes completion visit and early termination visit. Maintenance/Observation is indicated as Maint/Obs.
Time frame: Induction: Cycle 1 Day 1 (Baseline), Cycle 3 Day 1, End of Induction (up to 7 months); Maintenance: 2, 12 months after Day 1 of last induction cycle, Follow-up: every year up to data cut-off (up to 5 years and 2 months)
Change From Baseline in Euro-Quality of Life-5 Dimensions (EQ-5D) Questionnaire Summary Score (Follicular Lymphoma Population) During Maintenance/Observation Phase
The EQ-5D is a quality of life questionnaire with five questions, each with three categories (no problem, moderate problem, severe problems) and a visual analogue scale (VAS) from 0 (worst possible health state) to 100 (best possible health state. Summary score ranges from 0 to 1 Higher scores indicate better outcomes. A positive change from baseline indicates an improvement. Maintenance/Observation is indicated as Maint/Obs. Completion includes completion visit and early termination visit.
Time frame: Induction: Cycle 1 Day 1 (Baseline), Cycle 3 Day 1, End of Induction (up to 7 months); Maintenance: 2, 12 months after Day 1 of last induction cycle, Follow-up: every year up to data cut-off (up to 5 years and 2 months)
Change From Baseline in Euro-Quality of Life-5 Dimensions (EQ-5D) Questionnaire Summary Score (Follicular Lymphoma Population) During Follow Up Phase
The EQ-5D is a quality of life questionnaire with five questions, each with three categories (no problem, moderate problem, severe problems) and a visual analogue scale (VAS) from 0 (worst possible health state) to 100 (best possible health state. Summary score ranges from 0 to 1. Higher scores indicate better outcomes. A positive change from baseline indicates an improvement. Maintenance/Observation is indicated as Maint/Obs in data categories. Completion includes completion visit and early termination visit.
Time frame: Induction: Cycle 1 Day 1 (Baseline), Cycle 3 Day 1, End of Induction (up to 7 months); Maintenance: 2, 12 after Day 1 of last induction cycle, Follow-up: every year for up to data cut-off (up to 5 years and 2 months)
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