Published in:
01-09-2019 | Hodgkin Lymphoma | Original Article
Predictive value of soluble interlukin-2 receptor level at diagnosis on the outcome for patients with classical Hodgkin lymphoma treated with ABVD with or without radiotherapy
Authors:
Kento Umino, Shin-ichiro Fujiwara, Takashi Ikeda, Shin-ichiro Kawaguchi, Yumiko Toda, Shoko Ito, Shin-ichi Ochi, Takashi Nagayama, Kiyomi Mashima, Daisuke Minakata, Hirofumi Nakano, Ryoko Yamasaki, Kaoru Morita, Yasufumi Kawasaki, Chihiro Yamamoto, Masahiro Ashizawa, Kaoru Hatano, Kazuya Sato, Iekuni Oh, Ken Ohmine, Kazuo Muroi, Yoshinobu Kanda
Published in:
Annals of Hematology
|
Issue 9/2019
Login to get access
Abstract
We retrospectively analyzed 70 patients with classical Hodgkin lymphoma (cHL) who were treated with doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) with or without radiotherapy to assess the influence of the soluble interleukin-2 receptor (sIL-2R) level at diagnosis on the clinical outcome. Receiver operating characteristic analyses determined that the optimal cutoff value of the sIL-2R level for progression-free survival (PFS) was 2490 U/mL. Using this cutoff value, patients were classified into low (n = 46) and high (n = 24) sIL-2R groups. The patients in the high sIL-2R group exhibited a significantly inferior PFS (44.1% vs. 90.4% at 5 years, P < 0.001) and overall survival (OS) (67.6% vs. 94.7% at 5 years, P = 0.001) compared with those in the low sIL-2R group. Multivariate analysis showed that a high sIL-2R level was an independent prognostic factor for PFS after adjusting for stage, white blood cell, hemoglobin, and B symptoms, and also OS after adjusting for age and stage (hazard ratio (HR) 6.49, P < 0.001 and HR 5.98, P = 0.009, respectively). In patients with advanced-stage cHL, a high sIL-2R level predicted 5-year PFS even after adjustment for international prognostic score > 4 (HR 6.00, P = 0.007). These results demonstrate that the sIL-2R level can be a useful prognostic factor in patients with cHL treated with ABVD with or without radiotherapy.