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Secondary diabetes associated with 5‐fluorouracil‐based chemotherapy regimens in non‐diabetic patients with colorectal cancer: results from a single‐centre cohort study
Author(s) -
Feng J.P.,
Yuan X.L.,
Li M.,
Fang J.,
Xie T.,
Zhou Y.,
Zhu Y.M.,
Luo M.,
Lin M.,
Ye D.W.
Publication year - 2013
Publication title -
colorectal disease
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.029
H-Index - 89
eISSN - 1463-1318
pISSN - 1462-8910
DOI - 10.1111/j.1463-1318.2012.03097.x
Subject(s) - medicine , common terminology criteria for adverse events , diabetes mellitus , chemotherapy , colorectal cancer , adverse effect , fluorouracil , cancer , type 2 diabetes , gastroenterology , surgery , endocrinology
Aim The aim of the study was to analyse the prevalence and characteristics of secondary diabetes induced by 5‐fluorouracil (5‐FU) based chemotherapy in non‐diabetic patients with colorectal cancer (CRC). Method A total of 422 consecutive CRC patients who received 5‐FU‐based chemotherapy were retrospectively analysed. Fasting plasma glucose (FPG) levels were determined before each cycle of chemotherapy during active treatment and regular follow‐up. The prevalence and characteristics of secondary hyperglycaemia were investigated, with special focus on the clinical outcome. Results Among the 422 CRC patients, 60 had pre‐existing hyperglycaemia. In the remaining 362 with normal FPG levels before chemotherapy, 42 (11.6%) and 41 (11.3%) patients developed diabetes and impaired fasting glucose during the study period. Among the 42 secondary diabetic patients, 22 (52.4%) received anti‐diabetes drug therapy, in 7 (16.7%) cases the FPG level returned to normal without any active intervention, and 13 (30.9%) cases received diet control and physiotherapy. Thirty‐one (8.6%) patients developed diabetes. Based on the Common Terminology Criteria for Adverse Events, an adverse event over Grade 3 occurred in seven cases during follow‐up. Diabetes‐related adverse events had a serious negative impact on chemotherapy in six cases. Diabetes‐related death occurred in three patients. Conclusions Secondary diabetes associated with 5‐FU‐based chemotherapy occurs in around 10% of CRC patients, with a significant negative impact on treatment and clinical outcome. 5‐FU‐related diabetes should be regarded as a common side effect of 5‐FU treatment.