Swimmer plot depicting duration of response among the 7 responders as categorized by the protocol’s predefined response criteria. Patient 1 was able to achieve a protocol CR. Patient 3 had both a PR by Hb (41 months) and spleen criteria (44 months, not shown). Patient 16 achieved a PR by spleen criteria, whereas patient 7 achieved a PR by Hb improvement. Patients 6 and 9 attained hematologic improvement (HI) in platelets, whereas patient 19 achieved an HI in both platelets and erythroid. EOT, end of treatment; SD, stable disease.