Unique ID issued by UMIN | UMIN000014579 |
---|---|
Receipt number | R000016957 |
Scientific Title | A randomized controlled trial to compare antireflux metal stent and conventional covered metal stent for recurrent obstruction of covered metal stent for distal malignant biliary obstruction |
Date of disclosure of the study information | 2014/07/22 |
Last modified on | 2016/07/17 20:28:26 |
A randomized controlled trial to compare antireflux metal stent and conventional covered metal stent for recurrent obstruction of covered metal stent for distal malignant biliary obstruction
ARMS as a reintervention
A randomized controlled trial to compare antireflux metal stent and conventional covered metal stent for recurrent obstruction of covered metal stent for distal malignant biliary obstruction
ARMS as a reintervention
Japan |
Nonresectable distal malignant biliary obstruction
Hepato-biliary-pancreatic medicine |
Malignancy
NO
To compare antireflux metal stent and conventional covered metal stent for recurrent occlusion of conventional covered metal stent as a result of sludge or food impaction.
Safety,Efficacy
Time to recurrent biliary obstrution after the placement of metal stent
Interventional
Parallel
Randomized
Individual
Open -no one is blinded
Active
YES
Institution is considered as adjustment factor in dynamic allocation.
2
Treatment
Device,equipment |
Endoscopic placement of antireflux metal stent for biliay obstruction
Endoscopic placement of conventional covered metal stent for biliay obstruction
20 | years-old | <= |
Not applicable |
Male and Female
1. nonresectable malignant biliary obstruction
2. distal biliary obstruction (2 cm or longer from the bifurcation)
3. Covered metal stent was occluded due to the duodenobiliary reflux within 90 days of stent placement, and cholantitis subsided via endoscopic biliary drainage
4. Irrespective of sex and a primary disease
5. Written informed consent obtained
1. Endoscopic approach to the biliary system is impossible
2. Hilar biliary obstruction
3. Performance status is four
4. Gastrointestinal obstruction distal to the papilla (patients whose gastrointestinal obstruction was resolved via a stent or surgical bypass can be included)
5. Severe comobidities in other organs
6. Pregnant women or those suspected of pregnancy
7. Written informed consent not obtained
8. Patients considered ineligible by attending physicians
66
1st name | |
Middle name | |
Last name | Hiroyuki Isayama |
Graduate School of Medicine, The University of Tokyo
Department of Gastroenterology,
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
+81-3-3815-5411
isayama-tky@umin.ac.jp
1st name | |
Middle name | |
Last name | Hiroyuki Isayama |
Graduate School of Medicine, The University of Tokyo
Department of Gastroenterology,
7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan
+81-3-3815-5411
isayama-tky@umin.ac.jp
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo
Century Medical, Inc.
Profit organization
NO
2014 | Year | 07 | Month | 22 | Day |
Unpublished
Terminated
2014 | Year | 06 | Month | 26 | Day |
2014 | Year | 08 | Month | 06 | Day |
2014 | Year | 07 | Month | 17 | Day |
2016 | Year | 07 | Month | 17 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000016957