Bismarck Odei1, Dustin Boothe2, Jonathan Frandsen2, Matthew M Poppe2, David K Gaffney3. 1. Department of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA. 2. Department of Radiation Oncology, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT. 3. Department of Radiation Oncology, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT. Electronic address: david.gaffney@hci.utah.edu.
Abstract
BACKGROUND: The goal of this study was to assess the survival differences seen in early-stage and advanced-stage nodular lymphocytic predominant Hodgkin lymphoma (NLPHL) based on treatment modality. PATIENTS AND METHODS: The National Cancer Database was queried to identify patients diagnosed with NLPHL between 2004 and 2012. Overall survival (OS) was determined using univariate and multivariate Cox regression analysis. Kaplan-Meier and log-rank analysis were used to estimate differences in OS between treatment groups. RESULTS: A total of 1968 patients were identified for analysis, consisting of stage I (40.4%), stage II (29.3%), stage III (22.3%), and stage IV (8.0%) disease. The median age of patients was 46 years. The following factors were predictive of radiotherapy (RT) omission in treatment: increasing age, black race, Medicare insurance, chemotherapy use, stage II to IV disease, and the presence of B-symptoms. On survival analysis, RT was associated with prolonged OS in all stages of NLPHL (50.1 vs. 42.4 months; P < .01). The OS benefit of RT persisted on multivariate analysis (hazard ratio, 0.37; P < .01). On subset analysis, RT was associated with prolonged OS in early disease (49.8 vs. 45.5 months; P < .01), whereas a trend towards an OS benefit was observed in advanced-stage (54.1 vs. 39.6 months; P = .06) NLPHL. Radiotherapy was also associated with prolonged OS among patients with B-symptoms (49.0 vs. 42.6 months; P < .01). CONCLUSION: The use of RT in NLPHL is less likely among those with advanced-stage disease and B-symptoms. However, we found RT to be associated with prolonged OS in all stages of NLPHL, including those with B-symptoms.
BACKGROUND: The goal of this study was to assess the survival differences seen in early-stage and advanced-stage nodular lymphocytic predominant Hodgkin lymphoma (NLPHL) based on treatment modality. PATIENTS AND METHODS: The National Cancer Database was queried to identify patients diagnosed with NLPHL between 2004 and 2012. Overall survival (OS) was determined using univariate and multivariate Cox regression analysis. Kaplan-Meier and log-rank analysis were used to estimate differences in OS between treatment groups. RESULTS: A total of 1968 patients were identified for analysis, consisting of stage I (40.4%), stage II (29.3%), stage III (22.3%), and stage IV (8.0%) disease. The median age of patients was 46 years. The following factors were predictive of radiotherapy (RT) omission in treatment: increasing age, black race, Medicare insurance, chemotherapy use, stage II to IV disease, and the presence of B-symptoms. On survival analysis, RT was associated with prolonged OS in all stages of NLPHL (50.1 vs. 42.4 months; P < .01). The OS benefit of RT persisted on multivariate analysis (hazard ratio, 0.37; P < .01). On subset analysis, RT was associated with prolonged OS in early disease (49.8 vs. 45.5 months; P < .01), whereas a trend towards an OS benefit was observed in advanced-stage (54.1 vs. 39.6 months; P = .06) NLPHL. Radiotherapy was also associated with prolonged OS among patients with B-symptoms (49.0 vs. 42.6 months; P < .01). CONCLUSION: The use of RT in NLPHL is less likely among those with advanced-stage disease and B-symptoms. However, we found RT to be associated with prolonged OS in all stages of NLPHL, including those with B-symptoms.
Authors: Kira Bona; Yimei Li; Lena E Winestone; Kelly D Getz; Yuan-Shung Huang; Brian T Fisher; Ami V Desai; Troy Richardson; Matt Hall; Arlene Naranjo; Tara O Henderson; Richard Aplenc; Rochelle Bagatell Journal: J Natl Cancer Inst Date: 2021-03-01 Impact factor: 11.816
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