UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057100
Receipt number R000065062
Scientific Title Prospective Feasibility Study on Vision-controlled Cannulation with Ultra-thin Cholangioscope through Naive Duodenal Papilla
Date of disclosure of the study information 2025/02/20
Last modified on 2025/02/21 08:41:08

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Prospective Feasibility Study on Vision-controlled Cannulation with Ultra-thin Cholangioscope through Naive Duodenal Papilla

Acronym

Prospective Feasibility Study on Vision-controlled Cannulation with Ultra-thin Cholangioscope through Naive Duodenal Papilla

Scientific Title

Prospective Feasibility Study on Vision-controlled Cannulation with Ultra-thin Cholangioscope through Naive Duodenal Papilla

Scientific Title:Acronym

Prospective Feasibility Study on Vision-controlled Cannulation with Ultra-thin Cholangioscope through Naive Duodenal Papilla

Region

Japan


Condition

Condition

Biliary tract diseases requiring ERCP

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To clarify the usefulness of ultrathin cholangioscope-assisted bile duct cannulation in cases of naive papilla.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Success rate of bile duct cannulation within 10 minutes

Key secondary outcomes



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

ERCP

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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

a. Patients requiring ERCP for the biliary system based on imaging and blood test findings.

b. Patients with an untreated duodenal papilla, without prior sphincterotomy, papillectomy, or biliary stenting.

c. Patients needing or likely to need a cholangioscope for bile duct stone treatment, biliary stricture evaluation, or cystic duct cannulation.

d. Patients who provided written informed consent, personally or through a legal representative.

Key exclusion criteria

a. Patients unable to undergo endoscopic treatment due to general condition, jaw, oral, or gastrointestinal issues.

b. Patients with ASA classification class 4 or higher (severe systemic disease posing a life threat) or severe comorbidities such as congestive heart failure, severe coronary insufficiency, recent myocardial infarction (within 3 months), renal failure, liver failure, bleeding peptic ulcer, paralytic ileus, bowel obstruction, or uncontrolled diabetes.

c. Patients with a duodenal papilla entirely located within a periampullary diverticulum.

d. Patients suspected of having a duodenal papillary tumor.

e. Patients in whom access to the duodenal papilla is impossible.

f. Patients with apparent invasion to the duodenal papilla by malignant tumors of the pancreatic head or surrounding area.

g. Patients with surgically reconstructed upper gastrointestinal anatomy, excluding Billroth I.

h. Patients who have previously undergone ERCP with endoscopic sphincterotomy or papillectomy.

i. Patients with a duodenal papilla that has clearly separate openings for the bile duct and pancreatic duct.

j. Patients with impacted duodenal papillary stones where part of the stone is visible at the papillary opening.

k. Patients with a biliary stent in place after a prior ERCP (including inside plastic stents).

l. Patients with a history of severe allergic reactions to biliary contrast agents.

m. Pregnant patients or those with a possible pregnancy.

n. Patients deemed unsuitable for study participation by the attending physician or affiliated department, group, or institution.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Hiroaki
Middle name
Last name Kusunose

Organization

Sendai City Medical Center

Division name

Department of Gastroenterology

Zip code

9830824

Address

5-22-1, Tsurugaya, Miyagino-ku, Sendai, Miyagi, Japan

TEL

0222521111

Email

hkusu@openhp.or.jp


Public contact

Name of contact person

1st name Hiroaki
Middle name
Last name Kusunose

Organization

Sendai City Medical Center

Division name

Department of Gastroenterology

Zip code

9830824

Address

5-22-1, Tsurugaya, Miyagino-ku, Sendai, Miyagi, Japan

TEL

0222521111

Homepage URL


Email

hkusu@openhp.or.jp


Sponsor or person

Institute

Sendai City Medical Center

Institute

Department

Personal name



Funding Source

Organization

Sendai City Medical Center

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Sendai City Medical Center

Address

5-22-1, Tsurugaya, Miyagino-ku, Sendai, Miyagi, Japan

Tel

0222521111

Email

hkusu@openhp.or.jp


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

2025 Year 02 Month 20 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

Open public recruiting

Date of protocol fixation

2025 Year 02 Month 01 Day

Date of IRB

2025 Year 02 Month 20 Day

Anticipated trial start date

2025 Year 02 Month 21 Day

Last follow-up date

2028 Year 02 Month 29 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 02 Month 20 Day

Last modified on

2025 Year 02 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065062