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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
Journal article   Open access   Peer reviewed

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

Carla Casulo, Michelle Byrtek, Keith L Dawson, Xiaolei Zhou, Charles M Farber, Christopher R Flowers, John D Hainsworth, Matthew J Maurer, James R Cerhan, Brian K Link, …
Journal of clinical oncology, Vol.33(23), pp.2516-2522
08/10/2015
DOI: 10.1200/JCO.2014.59.7534
PMCID: PMC4879714
PMID: 26124482
url
https://doi.org/10.1200/JCO.2014.59.7534View
Published (Version of record) Open Access

Abstract

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. 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. 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). 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.
United States - epidemiology Cyclophosphamide - administration & dosage Antineoplastic Combined Chemotherapy Protocols - administration & dosage Lymphoma, Follicular - drug therapy Humans Middle Aged Antibodies, Monoclonal, Murine-Derived - administration & dosage Neoplasm Recurrence, Local - drug therapy Male Neoplasm Recurrence, Local - mortality Time Factors Aged, 80 and over Vincristine - administration & dosage Adult Female Odds Ratio Doxorubicin - administration & dosage Prednisone - administration & dosage Drug Administration Schedule Risk Assessment Risk Factors Kaplan-Meier Estimate Lymphoma, Follicular - mortality Treatment Outcome Disease-Free Survival Antineoplastic Combined Chemotherapy Protocols - therapeutic use Aged

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