Abstract | OBJECTIVE: Our aim was to compare the clinical outcomes of patients treated with bevacizumab combined with corticosteroids and those with bevacizumab monotherapy from a radiation-induced brain necrosis (RN) registry cohort (NCT03908502). METHODS: We utilized clinical data from a prospective RN registry cohort (NCT03908502) from July 2017 to June 2020. Patients were considered eligible if they had symptomatic RN after radiotherapy for nasopharyngeal carcinoma (NPC) and received bevacizumab (5 mg/kg, two to four cycles) with a minimum follow-up time of 3 months. The primary outcome was a 2-month response rate determined by MRI and clinical symptoms. Secondary outcomes included quality of life [evaluated by the abbreviated World Health Organization Quality of Life (WHOQOL-BREF) questionnaire] and cognitive function (evaluated by the Montreal Cognitive Assessment scale) at 2 months, RN recurrence during follow-up, and adverse events. RESULTS: A total of 123 patients (34 in the combined therapy group and 89 in the monotherapy group) were enrolled in our study with a median follow-up time of 0.97 year [interquartile range (IQR) = 0.35-2.60 years]. The clinical efficacy of RN did not differ significantly between patients in these two groups [odds ratio (OR) = 1.642, 95%CI = 0.584-4.614, p = 0.347]. Furthermore, bevacizumab combined with corticosteroids did not reduce recurrence compared with bevacizumab monotherapy [hazard ratio (HR) = 1.329, 95%CI = 0.849-2.079, p = 0.213]. The most common adverse events of bevacizumab were hypertension (17.89%), followed by nosebleed (8.13%) and fatigue (8.13%). There was no difference in grade 2 or more severe adverse events between the two groups (p = 0.811). INTERPRETATION:
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Authors | Honghong Li, Xiaoming Rong, Weihan Hu, Yuhua Yang, Ming Lei, Wenjie Wen, Zongwei Yue, Xiaolong Huang, Melvin L K Chua, Yi Li, Jinhua Cai, Lei He, Dong Pan, Jinping Cheng, Yaxuan Pi, Ruiqi Xue, Yongteng Xu, Yamei Tang |
Journal | Frontiers in oncology
(Front Oncol)
Vol. 11
Pg. 746941
( 2021)
ISSN: 2234-943X [Print] Switzerland |
PMID | 34650930
(Publication Type: Journal Article)
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Copyright | Copyright © 2021 Li, Rong, Hu, Yang, Lei, Wen, Yue, Huang, Chua, Li, Cai, He, Pan, Cheng, Pi, Xue, Xu and Tang. |
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