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Comparison · NCT01056510-sae

Rituximab + Bendamustine vs Rituximab + Chlorambucil: serious adverse events

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

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ConductScience Library. Rituximab + Bendamustine vs Rituximab + Chlorambucil: serious adverse events. Trial comparisons, record NCT01056510-sae. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01056510-sae

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 10.4120.3430.486wilson
Risk in group 20.3150.2510.386wilson
Risk difference, group 1 minus group 20.0978-0.002190.195newcombe hybrid score
Risk ratio, group 1 over group 21.310.9921.73log
Odds ratio, group 1 over group 21.530.9892.36log
Number needed to harm, for one more participant with a serious adverse event on Rituximab + Bendamustine than on Rituximab + Chlorambucil10.2from the risk difference intervalthe interval includes no difference

Groups2

Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Rituximab + Bendamustine
Participants received a specialized first-line or second-line regimen based upon prior chemotherapy exposure. Participants received IV rituximab 375 mg/m\^2 on Day 1 of Cycle 1 and 500 mg/m\^2 on Day 1 of Cycles 2 to 6. In those requiring a first-line regimen, bendamustine was administered IV at a dose of 90 mg/m\^2 on Days 1 and 2 of Cycles 1 to 6. In those requiring a second-line regimen, the bendamustine dose was lowered to 70 mg/m\^2. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced PD.
73177EG000
Group 2Rituximab + Chlorambucil
Participants received IV rituximab 375 mg/m\^2 on Day 1 of Cycle 1 and 500 mg/m\^2 on Day 1 of Cycles 2 to 6. Chlorambucil was administered PO at a dose of 10 mg/m\^2 on Days 1 to 7, beginning with Cycle 1 and continuing for up to 12 cycles or until CR was achieved. Each cycle was 4 weeks in duration. Treatment was discontinued early in participants who experienced PD.
56178EG001

Harm

What it counts
Total, serious adverse events
Time frame
From Baseline up to 8 weeks after the start of the last treatment cycle (nonserious adverse events [AEs]; up to 56 weeks) or until the EOT visit (serious AEs; up to 4.5 years)

Source ClinicalTrials.gov

Trial

Title
A Study of MabThera Added to Bendamustine or Chlorambucil in Patients With Chronic Lymphocytic Leukemia (MaBLe)
NCT number
NCT01056510
Phases
PHASE4
Conditions
Lymphocytic Leukemia, Chronic
Interventions
bendamustine, chlorambucil, rituximab [MabThera/Rituxan]
Lead sponsor
Hoffmann-La Roche
Results first posted
2015-06-25

Source ClinicalTrials.gov

Source

Release
trial-comparisons-2026-03-23-0.1.0
Release manifest SHA-256
f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
AACT copy
2026-03-23
Tables read
outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet

Source ClinicalTrials.gov

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

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