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First-Line Treatment of Patients With Indolent Non-Hodgkin Lymphoma or Mantle-Cell Lymphoma With Bendamustine Plus Rituximab Versus R-CHOP or R-CVP: Results of the BRIGHT 5-Year Follow-Up Study.


ABSTRACT: PURPOSE:The BRIGHT study ( ClinicalTrials.gov identifier: NCT00877006) was initiated to compare the efficacy and safety of bendamustine plus rituximab (BR) with either rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) or rituximab plus cyclophosphamide, vincristine, and prednisone (R-CVP) for treatment-naive patients with indolent non-Hodgkin lymphoma or mantle-cell lymphoma. This publication provides long-term follow-up data. PATIENTS AND METHODS:Patients were monitored for a minimum of 5 years after completion of study treatment for the time-to-event end points of progression-free survival (PFS), event-free survival, duration of response, and overall survival per investigator assessment. Data on the number of patients who received second-line anticancer treatment and the occurrence of other malignancies were also collected. RESULTS:The medians were not reached for any of the time-to event end points for either the BR or R-CHOP/R-CVP study treatment groups by study completion. PFS rates at 5 years were 65.5% in the BR treatment group and 55.8% in the R-CHOP/R-CVP group. The difference in PFS was considered significant with a hazard ratio of 0.61 (95% CI, 0.45 to 0.85; P = .0025). The hazard ratio for event-free survival and duration of response (P = .0020 and .0134, respectively) also favored the BR regimen over R-CHOP/R-CVP. However, no significant difference in overall survival was observed. The overall safety profiles of BR, R-CHOP, and R-CVP were as expected; no new safety data were collected during long-term follow-up. A higher number of secondary malignancies was noted in the BR treatment group. CONCLUSION:Overall, BR demonstrated better long-term disease control than R-CHOP/R-CVP and should be considered as a first-line treatment option for patients with indolent and mantle-cell lymphoma.

SUBMITTER: Flinn IW 

PROVIDER: S-EPMC6494265 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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