This application relates, in certain embodiments, to a method and composition for treating
soft tissue sarcomas (STS, e.g., spindle
cell sarcoma, solitary fibrous tumor, or leiomyosarcoma) using a composition comprising nanoparticles containing an mTOR inhibitor (e.g., limus drugs, e.g.,
sirolimus or its derivatives) and
albumin in combination with a multityrosine
kinase inhibitor (e.g.,
pazopanib).