A Study of MabThera Added to Bendamustine or Chlorambucil in Patients With Chronic Lymphocytic Leukemia (MaBLe)

June 24, 2015 updated by: Hoffmann-La Roche

A Randomized Study to Assess the Effect on Response Rate of MabThera (Rituximab) Added to a Standard Chemotherapy, Bendamustine or Chlorambucil, in Patients With Chronic Lymphocytic Leukemia

This randomized, open-label, parallel group study will assess the effect on response rate and the safety of MabThera added to either bendamustine or chlorambucil in patients with chronic lymphocytic leukemia. Patients will be randomized to receive six 4-week cycles of either A) MabThera (375mg/m2 iv day 1 of cycle 1, 500mg/m2 iv cycles 2-6) plus bendamustine (90mg/m2 as first-line or 70mg/m2 as second-line therapy, iv on days 1 and 2, cycles 1-6), or B)MabThera plus chlorambucil (10mg/m2 po daily, days 1-7, cycles 1-6). Patients in group B can receive up to 6 further cycles of chlorambucil as monotherapy. Anticipated time on study treatment is 6-12 months, and target sample size is 600-700 individuals.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
357

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 4

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

  • Finland
      • Pori, Finland, 28500
      • Vantaa, Finland, 01400
  • France
      • Argenteuil, France, 95107
      • Avignon, France, 84902
      • Blois, France, 41016
      • Bordeaux, France, 33076
      • Brest, France, 29609
      • La Roche Sur Yon, France, 85925
      • La Tronche, France, 38700
      • Le Mans, France, 72037
      • Lens, France, 62307
      • Limoges, France, 87042
      • Lyon, France, 69003
      • Marseille, France, 13915
      • Mulhouse, France, 68070
      • Nice, France, 06202
      • Nimes, France, 30029
      • Paris, France, 75651
      • Paris, France, 75571
      • Perpignan, France, 66046
      • Pierre Benite, France, 69495
      • Salouel, France, 80480
  • Portugal
      • Coimbra, Portugal, 3000-075
      • Lisboa, Portugal, 1600
      • Lisboa, Portugal, 1099-166
      • Porto, Portugal, 4200-319
      • Porto, Portugal, 4200-072
  • Spain
      • Barcelona, Spain, 08036
      • Barcelona, Spain, 08035
      • Barcelona, Spain, 08907
      • Barcelona, Spain, 08025
      • Barcelona, Spain, 08916
      • Huelva, Spain, 21005
      • Leon, Spain, 24071
      • Madrid, Spain, 28006
      • Madrid, Spain, 28046
      • Madrid, Spain, 28905
      • Madrid, Spain, 28041
      • Madrid, Spain, 28222
      • Malaga, Spain, 29010
      • Murcia, Spain, 30120
      • Murcia, Spain, 30008
      • Salamanca, Spain, 37007
      • Sevilla, Spain, 41009
      • Tarragona, Spain, 43007
      • Valencia, Spain, 46014
      • Zaragoza, Spain, 50009
    • Alava
      • Vitoria, Alava, Spain, 01009
    • Alicante
      • Elche, Alicante, Spain, 03203
    • Cadiz
      • Jerez de La Frontera, Cadiz, Spain, 11407
    • Cantabria
      • Torrelavega, Cantabria, Spain, 39300
    • La Coruña
      • La Coruna, La Coruña, Spain, 15006
    • Madrid
      • Alcorcon, Madrid, Spain, 28922
    • Murcia
      • Cartagena, Murcia, Spain, 30203
  • Sweden
      • Falun, Sweden, 79182
      • Kristianstad, Sweden, 29185
      • Luleå, Sweden, S-971 80
      • Sundsvall, Sweden, 85186
      • Uddevalla, Sweden, 45180
      • Umea, Sweden, S-90185
      • Uppsala, Sweden, 751 85
  • Tunisia
      • Tunis, Tunisia, 1008
  • Turkey
      • Ankara, Turkey, 06100
      • Ankara, Turkey, 06500
      • Ankara, Turkey, 06620
      • Bursa, Turkey, 16059
      • Edirne, Turkey, 22050
      • Istanbul, Turkey, 34390
      • Istanbul, Turkey, 34098
      • Izmir, Turkey, 35100
      • Kayseri, Turkey, 38039
      • Kocaeli, Turkey, 41400
      • Samsun, Turkey, 55139
  • United Kingdom
      • Blackpool, United Kingdom, FY3 8NR
      • Bournemouth, United Kingdom, BH7 7DW
      • Edinburgh, United Kingdom, EH4 2XU
      • Leeds, United Kingdom, LS9 7TF
      • London, United Kingdom, SE5 9RS
      • Maidstone, United Kingdom, ME16 9QQ
      • Manchester, United Kingdom, M20 4BX
      • Manchester, United Kingdom, OL1 2JH
      • Oxford, United Kingdom, OX3 7LJ
      • Romford, United Kingdom, RM7 0AG
      • Somerset, United Kingdom, TA1 5DA
      • Truro, United Kingdom, TR1 3LJ

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • adult patients, >/=18 years of age
  • chronic lymphocytic leukemia
  • active CLL with progressive Binet stage B or C
  • ineligible for treatment with fludarabine
  • for second line patients, only pretreatment with rituximab and/or chlorambucil is allowed
  • EOCG performance status >/=2

Exclusion Criteria:

  • patients who have relapsed within <12 months of first dose of prior rituximab or chlorambucil first-line therapy
  • previous or planned stem cell transplantation
  • radioimmunotherapy within 6 months prior to starting study treatment
  • transformation to aggressive B-cell malignancy
  • any other concurrent anti-cancer therapy, or glucocorticoid >/=20mg daily prednisolone or equivalent

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: A
Drug: bendamustine
90mg/m2 (first-line) or 70mg/m2 (second-line) iv, days 1 and 2 every 4 weeks, cycles 1-6
Drug: rituximab [MabThera/Rituxan]
375mg/m2 iv day 1 of cycle 1, followed by 500mg/m2 iv every 4 weeks cycles 2-6
Experimental: B
Drug: rituximab [MabThera/Rituxan]
375mg/m2 iv day 1 of cycle 1, followed by 500mg/m2 iv every 4 weeks cycles 2-6
Drug: chlorambucil
10mg/m2 po days 1-7 every 4 weeks, for up to 12 cycles

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants Achieving Confirmed Complete Response (CR) According to International Workshop on Chronic Lymphocytic Leukemia (IWCLL) 2008 Guidelines in the First-Line Subpopulation After 6 Cycles of Therapy
Time Frame: At least 2 months after completion of therapy (up to 32 weeks)
The definition of confirmed CR required all of the following criteria as assessed at least 2 months after completion of therapy: peripheral blood lymphocytes less than (<) 4 times 10^9 cells per liter (cells/L); absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to chronic lymphocytic leukemia (CLL) involvement; absence of constitutional symptoms; normal complete blood count (CBC) without need for transfusion or exogenous growth factors, as exhibited by neutrophils at least (>/=) 1.5 times 10^9 cells/L, platelets greater than (>) 100 times 10^9 cells/L, and hemoglobin > 11.0 grams per deciliter (g/dL); normocellular bone marrow (BM) aspirate with < 30 percent (%) lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL activity. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100.
At least 2 months after completion of therapy (up to 32 weeks)

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Pooled Population After 6 Cycles of Therapy
Time Frame: At least 2 months after completion of therapy (up to 32 weeks)
The definition of confirmed CR required all of the following criteria as assessed at least 2 months after completion of therapy: peripheral blood lymphocytes < 4 times 10^9 cells/L; absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to CLL involvement; absence of constitutional symptoms; normal CBC without need for transfusion or exogenous growth factors, as exhibited by neutrophils >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L, and hemoglobin > 11.0 g/dL; normocellular BM aspirate with < 30% lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL activity. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100.
At least 2 months after completion of therapy (up to 32 weeks)
Percentage of Participants Achieving Confirmed CR According to IWCLL 2008 Guidelines in the Second-Line Subpopulation After 6 Cycles of Therapy
Time Frame: At least 2 months after completion of therapy (up to 32 weeks)
The definition of confirmed CR required all of the following criteria as assessed at least 2 months after completion of therapy: peripheral blood lymphocytes < 4 times 10^9 cells/L; absence of significant lymphadenopathy, hepatomegaly, or splenomegaly due to CLL involvement; absence of constitutional symptoms; normal CBC without need for transfusion or exogenous growth factors, as exhibited by neutrophils >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L, and hemoglobin > 11.0 g/dL; normocellular BM aspirate with < 30% lymphocytes; absence of lymphoid nodules; and BM biopsy without CLL activity. The percentage of participants achieving confirmed CR was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100.
At least 2 months after completion of therapy (up to 32 weeks)
Percentage of Participants Achieving a Best Overall Response of CR, CR With Incomplete Marrow Recovery (CRi), Partial Response (PR), or Nodular PR (nPR) in the First-Line Subpopulation
Time Frame: After 3 and 6 treatment cycles and from Baseline to the end-of-treatment (EOT) visit, completed within 10 days before cutoff for data collection
The criteria for CR are identified in previous outcome measure(s). Those fulfilling CR criteria but who have persistent anemia, thrombocytopenia, or neutropenia were considered CRi. The definition of PR required that the following be documented for minimum 2 months: >/= 50% decrease in peripheral blood lymphocytes from Baseline; reduction in lymphadenopathy; >/= 50% reduction in spleen or liver enlargement; and CBC with one of the following without need for transfusion or exogenous growth factors: polymorphonuclear leukocytes >/= 1.5 times 10^9 cells/L, platelets > 100 times 10^9 cells/L or >/= 50% improvement from Baseline, or hemoglobin > 11.0 g/dL or >/= 50% improvement from Baseline. Participants with lymphoid nodules who otherwise met CR criteria were considered nPR. The percentage of participants achieving each level of response was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed, multiplied by 100.
After 3 and 6 treatment cycles and from Baseline to the end-of-treatment (EOT) visit, completed within 10 days before cutoff for data collection
Percentage of Participants by Disease Response Category in the First-Line Subpopulation
Time Frame: After 6 treatment cycles and at the confirmation of response assessment at least 12 weeks later (up to 36 weeks)
The criteria for CR, CRi, PR, and nPR are identified in previous outcome measure(s). PD was defined by at least one of the following: the presence of lymphadenopathy; an increase in the previously noted enlargement of the liver or spleen by >/= 50% or the de novo appearance of hepatomegaly or splenomegaly; an increase in the number of blood lymphocytes by >/= 50% with >/= 5000 B-cells per microliter (B-cells/mcL); transformation to a more aggressive histology; or occurrence of cytopenia attributable to CLL. Participants not achieving a CR or PR, and who did not exhibit PD, were considered to have stable disease (SD). The percentage of participants achieving each level of response was calculated as the number of participants meeting the above criteria divided by the number of participants analyzed. The rows below are labeled first by the level of response at the end of 6 cycles (C6), then by level of response at the confirmation assessment.
After 6 treatment cycles and at the confirmation of response assessment at least 12 weeks later (up to 36 weeks)
Percentage of Participants Experiencing PD or Death in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Progression-Free Survival (PFS) in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for PD are identified in previous outcome measure(s). PFS was defined as the time from the first dose of trial treatment to the first documentation of PD or death, whichever occurred first. PFS was calculated in months as [first event date minus first dose date plus 1] divided by 30.44.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants With Tumor Response of CR or CRi Experiencing PD or Death in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for CR, CRi, and PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Disease-Free Survival (DFS) in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for CR, CRi, and PD are identified in previous outcome measure(s). DFS was defined as the time from the first assessment of CR or CRi to the first documentation of PD or death, whichever occurred first. DFS was calculated in months as [first event date minus first assessment date of CR/CRi plus 1] divided by 30.44.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants Experiencing PD, Documented Intake of New Leukemia Therapy, or Death in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for PD are identified in previous outcome measure(s). The percentage of participants experiencing PD, intake of new (post-trial) leukemia therapy, or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Event-Free Survival (EFS) in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for PD and SD are identified in previous outcome measure(s). EFS was defined as the time from the first dose of trial treatment to the first documentation of PD, the beginning of new treatment for any hematologic malignancy, or death from any cause. Those with SD were considered event-free. EFS was calculated in months as [first event date minus first dose date plus 1] divided by 30.44.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants With Documented Intake of New Leukemia Therapy in the First-Line Subpopulation
Time Frame: During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The percentage of participants with documented intake of new (post-trial) leukemia therapy was calculated as the number of participants with new therapy divided by the number of participants analyzed, multiplied by 100.
During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Time to Next Leukemia Treatment (TNLT) in the First-Line Subpopulation
Time Frame: During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
TNLT was defined as the time from the first dose of trial treatment to the first documentation of any new leukemia treatment. TNLT was calculated in months as [first new treatment date minus first dose date plus 1] divided by 30.44.
During Cycles 1 to 6 (both treatment arms), Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants With Tumor Response of CR, CRi, PR, or nPR Experiencing PD or Death in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for CR, CRi, PR, nPR, and PD are identified in previous outcome measure(s). The percentage of participants experiencing PD or death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Duration of Response in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The criteria for CR, CRi, PR, nPR, and PD are identified in previous outcome measure(s). Duration of response was defined as the time from the first assessment of CR, CRi, PR, or nPR to the first documentation of PD or death, whichever occurred first. Duration of response was calculated in months as [first event date minus first assessment date of CR/CRi/PR/nPR plus 1] divided by 30.44.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants Experiencing Death in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
The percentage of participants experiencing death was calculated as the number of participants with event divided by the number of participants analyzed, multiplied by 100.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Overall Survival (OS) in the First-Line Subpopulation
Time Frame: End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
OS was defined as the time from recorded diagnosis to death from any cause. OS was calculated in months as [death date or last-known alive date minus diagnosis date plus 1] divided by 30.44.
End of Cycles 3 and 6 (both treatment arms), end of Cycles 7 to 12 (Rituximab + Chlorambucil arm), after an additional 8 weeks as confirmation of response, then every 3 months for 1 year, then every 6 months until study cutoff (up to 4.5 years)
Percentage of Participants Achieving Molecular Response in the First-Line Subpopulation
Time Frame: Up to 4 months after the last treatment cycle (up to 40 weeks)
Molecular response was defined as negative minimal residual disease (MRD) during study treatment or within 4 months after the end of treatment. Negative MRD was defined as a proportion of malignant B-cells in normal B-cells < 0.0001. The percentage of participants achieving molecular response was calculated as the number of participants with negative MRD divided by the number of participants analyzed.
Up to 4 months after the last treatment cycle (up to 40 weeks)
Number of Participants With Positive and Negative Outcome for MRD in the First-Line Subpopulation
Time Frame: After 6 treatment cycles (up to 24 weeks)
Negative MRD was defined as a proportion of malignant B-cells in normal B-cells < 0.0001, and positive MRD was defined as a proportion of malignant B-cells in normal B-cells >/= 0.0001.
After 6 treatment cycles (up to 24 weeks)
Proportion of Malignant B-cells in Normal B-cells Among Participants With a Positive Outcome for MRD in the First-Line Subpopulation
Time Frame: After 6 treatment cycles (up to 24 weeks)
The proportion of malignant B-cells in normal B-cells was quantitatively determined, and was calculated as the number of malignant B-cells divided by the number of normal B-cells observed.
After 6 treatment cycles (up to 24 weeks)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Hoffmann-La Roche

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

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 1, 2010

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
March 1, 2014

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 1, 2014

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
January 25, 2010

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 25, 2010

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 26, 2010

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 25, 2015

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 24, 2015

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • MO22468
  • 2009-012072-28

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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