Nab-paclitaxel in vivo objective response activity for rhabdomyosarcoma models having low Caveolin-1 expression. Rhabdomyosarcomas (Rh65, Rh36, and Rh30R): Kaplan-Meier curves for EFS (left), median relative tumor volume graphs (center), and individual tumor volume graphs (right) are shown for selected lines. Controls (gray lines); Treated (black lines), statistical significance (p values) of the difference between treated and control groups are included.