Primary end point: progression-free survival (PFS)
Median PFS was 2.3 months (95% CI 1.8–3.6) and 3.7 months (95% IC 2.5–4.7) in Arm A and Arm B, respectively (HR 0.73, 95% CI 0.50–1.06, log rank Progression-free survival/primary end point. 