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J Clin Oncol. 2015 Aug 10;33(23):2516-22. doi: 10.1200/JCO.2014.59.7534. Epub 2015 Jun 29.

Early Relapse of Follicular Lymphoma After Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone Defines Patients at High Risk for Death: An Analysis From the National LymphoCare Study.

Author information

1
Carla Casulo and Jonathan W. Friedberg, University of Rochester, Rochester; Jonathan W. Friedberg, Memorial Sloan Kettering Cancer Center, New York, NY; Michelle Byrtek and Keith L. Dawson, Genentech, South San Francisco, CA; Xiaolei Zhou, RTI Health Solutions, Research Triangle Park, NC; Charles M. Farber, Carol G. Simon Cancer Center, Morristown, NJ; Christopher R. Flowers, Emory University, Atlanta, GA; John D. Hainsworth, Sarah Cannon Research Institute, Nashville, TN; Matthew J. Maurer and James R. Cerhan, Mayo Clinic, Rochester, MN; and Brian K. Link, University of Iowa, Iowa City, IA.
2
Carla Casulo and Jonathan W. Friedberg, University of Rochester, Rochester; Jonathan W. Friedberg, Memorial Sloan Kettering Cancer Center, New York, NY; Michelle Byrtek and Keith L. Dawson, Genentech, South San Francisco, CA; Xiaolei Zhou, RTI Health Solutions, Research Triangle Park, NC; Charles M. Farber, Carol G. Simon Cancer Center, Morristown, NJ; Christopher R. Flowers, Emory University, Atlanta, GA; John D. Hainsworth, Sarah Cannon Research Institute, Nashville, TN; Matthew J. Maurer and James R. Cerhan, Mayo Clinic, Rochester, MN; and Brian K. Link, University of Iowa, Iowa City, IA. jonathan_friedberg@urmc.rochester.edu.

Erratum in

  • J Clin Oncol. 2016 Apr 20;34(12):1430.

Abstract

PURPOSE:

Twenty percent of patients with follicular lymphoma (FL) experience progression of disease (POD) within 2 years of initial chemoimmunotherapy. We analyzed data from the National LymphoCare Study to identify whether prognostic FL factors are associated with early POD and whether patients with early POD are at high risk for death.

PATIENTS AND METHODS:

In total, 588 patients with stage 2 to 4 FL received first-line rituximab plus cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP). Two groups were defined: patients with early POD 2 years or less after diagnosis and those without POD within 2 years, the reference group. An independent validation set, 147 patients with FL who received first-line R-CHOP, was analyzed for reproducibility.

RESULTS:

Of 588 patients, 19% (n = 110) had early POD, 71% (n = 420) were in the reference group, 8% (n = 46) were lost to follow-up, and 2% (n = 12) died without POD less than 2 years after diagnosis. Five-year overall survival was lower in the early-POD group than in the reference group (50% v 90%). This trend was maintained after we adjusted for FL International Prognostic Index (hazard ratio, 6.44; 95% CI, 4.33 to 9.58). Results were similar for the validation set (FL International Prognostic Index-adjusted hazard ratio, 19.8).

CONCLUSION:

In patients with FL who received first-line R-CHOP, POD within 2 years after diagnosis was associated with poor outcomes and should be further validated as a standard end point of chemoimmunotherapy trials of untreated FL. This high-risk FL population warrants further study in directed prospective clinical trials.

PMID:
26124482
PMCID:
PMC4879714
DOI:
10.1200/JCO.2014.59.7534
[Indexed for MEDLINE]
Free PMC Article

Conflict of interest statement

Authors' disclosures of potential conflicts of interest are found in the article online at www.jco.org. Author contributions are found at the end of this article.

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