UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000008587
Receipt number R000010088
Scientific Title A multicenter, prospective, randomised study of "covered" versus "uncovered" stents for the management of distal malignant biliary obstruction
Date of disclosure of the study information 2012/09/01
Last modified on 2017/11/23 23:49:50

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Basic information

Public title

A multicenter, prospective, randomised study of "covered" versus "uncovered" stents for the management of distal malignant biliary obstruction

Acronym

A multicenter randomized controlled trial of metallic stent for unresectable distal malignant biliary obstruction

Scientific Title

A multicenter, prospective, randomised study of "covered" versus "uncovered" stents for the management of distal malignant biliary obstruction

Scientific Title:Acronym

A multicenter randomized controlled trial of metallic stent for unresectable distal malignant biliary obstruction

Region

Japan


Condition

Condition

Malignant biliary obstruction

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To compare the patency and safety of Fully-covered versus Uncovered WallFlex stent for unresectable distal malignant biliary obstruction.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase III


Assessment

Primary outcomes

Time to stent dysfunction

Key secondary outcomes

Effectiveness
1) Stent patency period
2) Survival period
3) Event free survival
4) Stent patency period after reintervention
5) Time to stent dysfunction after reintervention
6) Cost effectiveness

Safety
1) Early complications
2) Late complications
3) Technical success rate
4) Removability of the stent
5) Removability of the second stent


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

WallFlex Fully-covered biliary stent

Interventions/Control_2

WallFlex Uncovered biliary stent

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Patients with unresectable distal malignant biliary obstruction, not limited to primary disease.
2) Patients with predictable prognosis of more than 4 months.
3) Patients with written informed consent.
4) Patients with performance status 0-3.

Key exclusion criteria

1) Patients with massive ascites.
2) Patients with severely impaired organ function.
3) Patients for whom endoscopic biliary drainage is difficult.
4) Patients with duodenal obstruction.
5) Patients whose antithrombotic drugs cannot be stopped.
6) Patients considered ineligible for this study.

Target sample size

200


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Tsutomu Chiba

Organization

Faculty of Medicine, Kyoto University

Division name

Department of Gastroenterology and Hepatology

Zip code


Address

54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto

TEL

075-751-4319

Email



Public contact

Name of contact person

1st name
Middle name
Last name Akira Kurita

Organization

Faculty of Medicine, Kyoto University

Division name

Department of Gastroenterology and Hepatology

Zip code


Address

54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto

TEL

075-751-4319

Homepage URL


Email

akurita@kuhp.kyoto-u.ac.jp


Sponsor or person

Institute

Faculty of Medicine, Kyoto University

Institute

Department

Personal name



Funding Source

Organization

Faculty of Medicine, Kyoto University

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2012 Year 09 Month 01 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2011 Year 12 Month 20 Day

Date of IRB


Anticipated trial start date

2012 Year 11 Month 01 Day

Last follow-up date

2017 Year 12 Month 31 Day

Date of closure to data entry

2018 Year 02 Month 28 Day

Date trial data considered complete

2018 Year 03 Month 31 Day

Date analysis concluded

2018 Year 08 Month 31 Day


Other

Other related information



Management information

Registered date

2012 Year 08 Month 01 Day

Last modified on

2017 Year 11 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000010088


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name