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Erschienen in:
03.06.2016 | Original Article
Screening rate for hepatitis B virus infection in patients undergoing chemotherapy in Japan
Erschienen in: International Journal of Clinical Oncology | Ausgabe 6/2016
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Background
The aim of this study was to investigate the screening rate for hepatitis B virus (HBV) infection, which is recommended by some guidelines for the prevention of HBV reactivation, in patients undergoing chemotherapy for malignancy in Japan.
Methods
The study subjects were 3302 patients who had received first-line chemotherapy for malignancy from Apr 2008 through Mar 2013 utilizing the Claims Database of the Japan Medical Data Center. The proportion of patients who had been tested for HBsAg (P-HBsAg) and the proportion of HBsAg-negative patients who had undergone tests for anti-HBc and anti-HBs (P-HBc/HBsAb) before chemotherapy were investigated.
Results
P-HBsAg and P-HBc/HBsAb in all 3302 patients were 66.3 and 19.9 %, respectively. P-HBsAg in patients with solid tumors and those with hematological malignancies were 66.1 and 67.5 % (p = 0.61), respectively, and P-HBc/HBsAb were 12.3 and 75.8 % (p < 0.0001), respectively. P-HBsAg in patients from cancer centers and non-cancer centers were 66.9 and 65.5 % (p = 0.43), respectively, and P-HBc/HBsAb were 25.1 and 12.4 % (p < 0.0001), respectively. P-HBsAg in patients encountered before and after the announcement of the Japanese guideline were 51.3 and 67.1 % (p < 0.001), respectively, and P-HBc/HBsAb were 7.9 and 20.4 % (p = 0.01), respectively.
Conclusions
The screening rate for HBV among cancer patients scheduled for chemotherapy remains unsatisfactory, especially in patients with solid tumors and those from non-cancer centers. Although the figures are improving after the announcement of the Japanese guideline, intensive measures to improve awareness about HBV reactivation during/after chemotherapy are needed.