ASH Clinical News December 2015 | Page 71

CLINICAL NEWS Randomization was conducted via a dedicated Web-based system using remote data entry, with patients stratified by donor type and CR status. Patients were followed for a median of 27.5 months. Non-relapse mortality at one year (the study’s primary endpoint, assessed on an intention-to-treat basis) was more than doubled in the busulfan + cyclophosphamide group compared with the busulfan + fludarabine group: 17.2 percent (95% CI 11.6-25.4) vs. 7.9 percent (4.3-14.3; p=0.026). Safety outcomes, assessed in the perprotocol population, were similar but lower in the patients treated with fludarabine between both groups. The most frequently reported grade ≥3 treatmentrelated adverse events included: Table 7: Pe