Longitudinal risk of herpes zoster in patients with non-Hodgkin lymphoma receiving chemotherapy: A nationwide population-based study.
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ABSTRACT: This study investigated the incidence of and risk factors for herpes zoster in patients with non-Hodgkin lymphoma (NHL) who were receiving anti-lymphoma treatment. The overall incidence density of herpes zoster was 12.21% (472/3865); 11.79% (258/2188) of the patients received conventional chemotherapy and 12.76% (214/1677) of the patients received rituximab-containing chemotherapy. For the patients who received conventional chemotherapy, the risk factors included female gender, multiple courses of chemotherapy and autologous hematopoietic stem cell transplantation. For the patients who received rituximab-containing chemotherapy, the risk factors included female gender, diabetes mellitus, multiple courses of chemotherapy, autologous hematopoietic stem cell transplantation and higher accumulated rituximab dose. The majority of the herpes zoster episodes occurred within the first two years after the diagnosis of NHL. After adjusting for the propensity score matching, rituximab-containing chemotherapy was not associated with a higher overall incidence density of herpes zoster (P = 0.155). However, the addition of rituximab to conventional chemotherapy increased the short-term risk of herpes zoster with adjusted odd ratios of 1.38 (95% confidence intervals (CI)?= 1.05-1.81, P = 0.021) and 1.37 (95% CI = 1.08-1.73, P = 0.010) during the 1-year and 2-year follow-up periods, respectively.
SUBMITTER: Cho SF
PROVIDER: S-EPMC4585724 | biostudies-literature | 2015 Sep
REPOSITORIES: biostudies-literature
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