Pharmaceutical compositions and methods for treating diseases associated with angiogenesis and inflammation. The invention relates to a pharmaceutical composition that includes a therapeutically effective amount of sCD26 and/or a biologically active derivative thereof and a pharmaceutically acceptable carrier. The composition may further include a therapeutically effective amount of sFlt-1 and/or a biologically active derivative thereof. Additionally, the invention relates to methods for treating a disease associated with and/or progresses by an inflammatory cytokine-associated inflammation and/or VEGF-associated angiogenesis.