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Efficacy of a paclitaxel-eluting biliary metal stent with sodium caprate in malignant biliary obstruction: a prospective randomized comparative study

 Sung Ill Jang  ;  Kyu Taek Lee  ;  Jung Sik Choi  ;  Seok Jeong  ;  Don Haeng Lee  ;  Yong Tae Kim  ;  Sang Hyub Lee  ;  Jeong-Sik Yu  ;  Dong Ki Lee 
 Endoscopy, Vol.51(9) : 843-851, 2019 
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BACKGROUNDS:  The placement of a self-expandable metal stent (SEMS) is widely used in patients with unresectable malignant biliary obstructions, but SEMSs are susceptible to occlusion by tumor ingrowth or overgrowth. The efficacy and safety of a novel paclitaxel-eluting biliary metal stent incorporating sodium caprate (MSCPM-III) were compared prospectively with those of a covered metal stent (CMS) in patients with malignant biliary obstructions. METHODS:  Patients with unresectable distal malignant biliary obstructions (n = 106) were prospectively enrolled in this study at multiple treatment centers. Stents were placed endoscopically: MSCPM-III in 54 patients and CMS in 51 patients. The patients received systemic chemotherapy regimens according to their disease characteristics. RESULTS:  The two groups did not differ significantly in basic characteristics or mean follow-up period. Stent occlusion occurred in 14 patients who received MSCPM-III and in 11 patients who received CMS. Time to recurrent biliary obstruction (RBO) and survival time did not differ significantly between the two groups (P  = 0.84 and P = 0.29, respectively). However, tumor size at 2 months after stent insertion was significantly decreased in patients in the MSCPM-III group with bile duct cancers or those who experienced stent migration compared with the CMS group. Complications, including cholangitis and pancreatitis, were found to be acceptable in both groups. CONCLUSIONS:  Although compared with a CMS the MSCPM-III did not significantly influence time to RBO or survival duration in patients with malignant biliary obstructions, MSCPM-III reduced tumor volume and was used safely in humans.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Yu, Jeong Sik(유정식) ORCID logo https://orcid.org/0000-0002-8171-5838
Lee, Dong Ki(이동기) ORCID logo https://orcid.org/0000-0002-0048-9112
Jang, Sung Ill(장성일) ORCID logo https://orcid.org/0000-0003-4937-6167
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