UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000006779
Receipt number R000008023
Scientific Title Plastic stent placement above the sphincter of Oddi ("inside-stent") for patients of malignant hilar biliary obstruction. A prospective phase II trial.
Date of disclosure of the study information 2011/12/01
Last modified on 2019/03/04 18:00:48

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Basic information

Public title

Plastic stent placement above the
sphincter of Oddi ("inside-stent") for
patients of malignant hilar biliary obstruction. A prospective phase II trial.

Acronym

Plastic stent placement above the sphincter of Oddi ("inside-stent") for patients of malignant hilar biliary obstruction.

Scientific Title

Plastic stent placement above the
sphincter of Oddi ("inside-stent") for
patients of malignant hilar biliary obstruction. A prospective phase II trial.

Scientific Title:Acronym

Plastic stent placement above the sphincter of Oddi ("inside-stent") for patients of malignant hilar biliary obstruction.

Region

Japan


Condition

Condition

Malignant hilar biliary obstruction

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the efficancy and safety of plastic stent placement above the sphincter of Oddi for patients of malignant hilar biliary obstruction.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase II


Assessment

Primary outcomes

Time to dysfunction

Key secondary outcomes

1.Dysfunction rate and substance
2.Complication rate and substance
3.Suvival time
4.Re-intervention rate and method
5.Operation time
6.success rate of operation


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

A plastic stent which is attached a nylon string is used. The plastic stent is placed endoscopically above the sphincter of Oddi for malignant hilar biliary obstruction.

Interventions/Control_2


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.Unresectable malignant hilar biliary obstruction is proven by pathological or radiological diagnosis.
2.A stent placement is needed.
3.The therapy of a stent placement have never been performed.
4.Endoscopic stenting can be performed.
5.A stent can be placed above the sphincter of Oddi.
6.Written informed concent of the print.

Key exclusion criteria

1.The prognosis is considered within 3 months.
2.They have jaundice which can't be improved by stenting. For example, liver failure.
3.Decision of unsuitableness by principal investigator.

Target sample size

35


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Kazuya Sugimori

Organization

Yokohama City University Medical Center

Division name

Gastroenterological Center

Zip code


Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

TEL

045-261-5656

Email

ycu.umin@gmail.com


Public contact

Name of contact person

1st name
Middle name
Last name Tomohiro Ishii

Organization

Yokohama City University Medical Center

Division name

Gastroenterological Center

Zip code


Address

4-57 Urafune-cho, Minami-ku, Yokohama City, 232-0024, Japan

TEL

045-261-5656

Homepage URL


Email

tishii@yokohama-cu.ac.jp


Sponsor or person

Institute

Yokohama City University Medical Center
Gastroenterological Center

Institute

Department

Personal name



Funding Source

Organization

None

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

横浜市立大学附属市民総合医療センター(神奈川県)
神奈川県立がんセンター(神奈川県)
昭和大学藤が丘病院(神奈川県)


Other administrative information

Date of disclosure of the study information

2011 Year 12 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

Terminated

Date of protocol fixation

2011 Year 11 Month 14 Day

Date of IRB


Anticipated trial start date

2011 Year 12 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2011 Year 11 Month 28 Day

Last modified on

2019 Year 03 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000008023


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name