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The role of betrixaban in the prevention of venous thromboembolism (VTE) in acutely medically ill patients and its efficacy and safety profiles are reviewed.Acutely medically ill patients have a high risk of developing VTE during hospitalization, and this risk continues into the postdischarge phase. Extended-duration betrixaban therapy has been evaluated in a large clinical trial (the APEX trial) and in a meta-analysis of pooled data on acutely medically ill patients. These studies have shown positive outcomes when betrixaban was compared with conventional-duration subcutaneous enoxaparin therapy for prevention of VTE in acutely medically ill patients. In parallel with these results, oral betrixaban therapy was found to be associated with a rate of major bleeding comparable to that associated with subcutaneous enoxaparin therapy; however, betrixaban use was associated with a higher cumulative rate of major and clinically relevant nonmajor bleeding. In the APEX trial, the primary endpoint was not met in 1 of the prespecified cohorts, but betrixaban appeared to confer benefit in another cohort and in the overall study population. Certain populations of patients, including the elderly, are at high risk for bleeding (mainly attributable to altered pharmacokinetics and polypharmacy); such patients are not appropriate candidates for extended-duration betrixaban therapy. Betrixaban can be a potential option for VTE prevention in medical patients; however, drug interaction potential and third-party coverage should be evaluated prior to prescribing.Betrixaban is an oral option for VTE prevention in medical patients.