摘要: In this issue of Blood, Petersdorf et al report negative results the phase 3 study designed by Southwest Oncology Group (SWOG), which tested addition gemtuzumab ozogamicin (GO) to a 317 regimen in randomized fashion adult patients newly diagnosed with acute myeloid leukemia (AML) who are younger than 60 years. Also Rowe and Lowenberg discuss context 4 other controlled studies (1 1 positive predefined subset patients, 2 positive) performed during same period Europe.