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Hepatitis B virus (HBV) reactivation is a serious but preventable complication for patients with lymphoma receiving systemic therapy. Without antiviral prophylaxis, the HBV reactivation rate is estimated to be > 50% in patients who are positive for hepatitis B surface antigen (HBsAg), and fatal hepatic failure is not uncommon. Current guidelines suggest that routine antiviral prophylaxis should be administered to all HBsAg-positive patients until 6-12 months after completion of chemotherapy. For those who are negative for HBsAg and positive for hepatitis B core antibody, HBV reactivation is uncommon when a conventional dose of chemotherapy is administered. However, with rituximab-containing immunochemotherapy, the HBV reactivation rate is 18% and the clinical course can vary from asymptomatic viremia to fulminant hepatic failure that can be potentially fatal. In this review, we discuss the risk, clinical course and prophylactic strategy of HBV reactivation in patients with lymphoma treated with chemotherapy with or without rituximab. [ABSTRACT FROM AUTHOR]

To assess the effects of chemoimmunotherapy on post-chemotherapy cognitive impairments (PCCI) in patients with B-cell non-Hodgkin lymphoma (NHL), we used objective and subjective measures of cognitive functions in combination with serum parameters and neuroelectric recordings. Self-perceived status of cognition, fatigue and emotional functioning were reduced in patients ( n = 30) compared to healthy controls ( n = 10). Cognitive performance was impaired in patients with NHL compared to controls and a norm sample ( n = 1179). PCCI was more severe in patients treated with rituximab and bendamustine (BR) than in patients who received R in combination with CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone) polychemotherapy (R-CHOP). Individual alpha peak frequency and serum brain-derived neurotrophic factor (BDNF) levels in patients with NHL correlated with accuracy in the objective cognition test. Higher serum interleukin-6 (IL-6) concentrations were associated with higher fatigue levels. Patients with NHL and especially those who were treated with BR were affected by PCCI. BDNF and IL-6 might be involved in the pathogenesis of PCCI and fatigue. [ABSTRACT FROM AUTHOR]