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Proceedings Paper

Drug-eluting stent in malignant biliary obstruction
Author(s): Dong-Ki Lee; Sung Ill Jang
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Paper Abstract

Endoscopic stent insertion is the treatment of choice for patients with malignant biliary obstruction. However, conventional stents enable only mechanical palliation of the obstruction, without any anti-tumor effects. Drugeluting stent (DES), which was first introduced in coronary artery disease, are currently under investigation for sustaining stent patency and prolonging patient survival by inhibiting tumor ingrowth in malignant biliary obstruction. Many factors affecting efficient drug delivery have been studied to determine how drugs with antitumor effects suppress tumor ingrowth, including the specific drugs incorporated, means of incorporating the drugs, mode of drug release, and stent structure. Advances have resulted in the construction of more effective non-vascular DES and ongoing clinical research. Non-vascular DES is expected to play a vital role in prolonging the survival of patients with malignant biliary obstruction.

Paper Details

Date Published: 24 October 2012
PDF: 11 pages
Proc. SPIE 8548, Nanosystems in Engineering and Medicine, 85483P (24 October 2012); doi: 10.1117/12.2000469
Show Author Affiliations
Dong-Ki Lee, Gangnam Severance Hospital, Yonsei Univ. (Korea, Republic of)
Sung Ill Jang, Gangnam Severance Hospital, Yonsei Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 8548:
Nanosystems in Engineering and Medicine
Sang H. Choi; Jin-Ho Choy; Uhn Lee; Vijay K. Varadan, Editor(s)

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