The invention relates to ultrasound contrast agents comprising vesicles comprising a protein capable of formation of gas-containing vesicles, wherein the vesicles contain gas which comprises sulphur hexafluoride or a low molecular weight fluorinated hydrocarbon. These contrast agents exhibit stability in vivo upon administration so as to permit ultrasound visualization while allowing rapid subsequent elimination from the system.
本发明涉及超声造影剂,其包括含有能够形成含气囊泡的蛋白质的囊泡,其中囊泡包含含有
六氟化硫或低分子量
氟化碳气体的气体。这些对比剂在给药后在体内表现出稳定性,以便允许超声可视化,同时允许快速的后续排出体外。