One-step fabrication of lidocaine/CalliSpheres® composites for painless transcatheter arterial embolization

Chuan Tian, Zijian Wang, Lei Huang, Yimin Liu, Kunpeng Wu, Zhaonan Li, Bin Han, Dechao Jiao, Xinwei Han & Yanan Zhao
Abstract Background Transcatheter arterial embolization (TAE) is one of the first-line treatments for advanced hepatocellular cancer. The pain caused by TAE is a stark complication, which remains to be prevented by biomedical engineering methods. Methods Herein, a commercial embolic agent CalliSpheres® bead (CB) was functionally modified with lidocaine (Lid) using an electrostatic self-assembly technique. The products were coded as CB/Lid-n (n = 0, 5, 10, corresponding to the relative content of Lid). The chemical compositions,...
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