The invention relates to agents which possess anti-angiogenic activity and are accordingly useful in methods of treatment of disease states associated with angiogenesis in the animal or human body. More specifically the invention concerns a combination of an antagonist of the biological activity of Angiopoietin-2 and an antagonist of the biological activity of VEGF-A, and/or KDR, and/or Flt1, and uses of such antagonists.