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Rituximab maintenance therapy has emerged as an effective treatment for low-grade lymphomas. No major acute or cumulative toxicities were observed in patients receiving rituximab maintenance therapy compared with observation arms in clinical trials. However, B-cells are completely depleted throughout the maintenance period and even longer, which may render patients at high risk for infections. Several infections related to rituximab have been reported in the literature. Yet it is not clear whether rituximab maintenance therapy increases the infectious complications or not. To further investigate this topic, we have performed a systematic review and meta-analysis of randomised controlled trials (RCT). The meta-analysis of five RCTs showed that rituximab maintenance therapy significantly increased the relative risk of both infection and neutropenia in patients with lymphoma. On the basis of the available …