UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000050134
Receipt number R000056976
Scientific Title A prospective multicenter study of the effect of small caliber endoscope in reducing pain in upper endoscopy
Date of disclosure of the study information 2023/02/01
Last modified on 2025/01/26 10:01:00

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Basic information

Public title

A prospective multicenter study of the effect of small caliber endoscope in reducing pain in upper endoscopy

Acronym

The efficacy of small caliber endoscope

Scientific Title

A prospective multicenter study of the effect of small caliber endoscope in reducing pain in upper endoscopy

Scientific Title:Acronym

A prospective multicenter study of the effect of small caliber endoscope in reducing pain in upper endoscopy

Region

Japan


Condition

Condition

Upper gastrointestinal endoscopy

Classification by specialty

Gastroenterology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To compare the degree of patient distress with narrow and normal diameter scopes in transoral endoscopy.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Patient distress as measured by Visual analog scale (0-10)

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Device,equipment

Interventions/Control_1

Small-caliber endoscope

Interventions/Control_2

Conventional endoscope

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

For Patients undergoing upper gastrointestinal endoscopy scheduled between the date of approval and August 31, 2023

Key exclusion criteria

1:Subjects with resection of the stomach or duodenum
2:Subjects undergoing upper gastrointestinal endoscopy under sedation
3:Subjects whose physician considers it difficult to participate in this study

Target sample size

240


Research contact person

Name of lead principal investigator

1st name Ryoji
Middle name
Last name Ichijima

Organization

Nihon University School of Medicine

Division name

Division of Gastroenterology and Hepatology, Department of Medicine

Zip code

173-8610

Address

30-1, Oyaguchi Kami-cho, Itabashi-ku, Tokyo

TEL

03-3972-8111

Email

ryoji0331@yahoo.co.jp


Public contact

Name of contact person

1st name Ayaka
Middle name
Last name Takasu

Organization

Nihon University Hospital

Division name

Division of gastroenterology

Zip code

1018309

Address

1-6 Kandasurugadai, Chiyoda-ku, Tokyo-to

TEL

0332931711

Homepage URL


Email

ayakatakasumd@gmail.com


Sponsor or person

Institute

Others

Institute

Department

Personal name



Funding Source

Organization

none

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

Nihon University Itabashi Hospital, Clinical Research Judging Committee

Address

30-1, Oyaguchi Kami-cho, Itabashi-ku, Tokyo

Tel

03-3972-8111

Email

med.rinsyokenkyu@nihon-u.ac.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

日本大学医学部附属板橋病院 (東京都)、日本大学病院 (東京都)、国際医療福祉大学市川病院 (千葉県)


Other administrative information

Date of disclosure of the study information

2023 Year 02 Month 01 Day


Related information

URL releasing protocol

https://www.nihon-u.ac.jp/hospital/outline/optout

Publication of results

Unpublished


Result

URL related to results and publications

none

Number of participants that the trial has enrolled

239

Results

The standard-diameter endoscopy group (A) had 120 patients, and the ultra-thin endoscopy group (B) had 119. Male patients were 72 (60.0%) in A and 84 (70.6%) in B (p=0.086). Median age [IQR] was 66 [56-75] in A and 65 [54-74] in B. Patient discomfort (VAS score, 0-10) was significantly higher in A (5.0 [2.0-6.0]) than in B (3.0 [1.0-5.0], p=0.002).

Results date posted

2025 Year 01 Month 26 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Patients undergoing standard upper gastrointestinal endoscopy.

Participant flow

After obtaining patient consent, participants were divided into a standard-diameter endoscopy group and an ultra-thin endoscopy group, and the examinations were performed. Subsequently, patients completed a questionnaire regarding their level of discomfort and satisfaction.

Adverse events

In this study, no adverse events were observed.

Outcome measures

The degree of patient discomfort measured using the Visual Analog Scale score.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2022 Year 11 Month 25 Day

Date of IRB


Anticipated trial start date

2023 Year 02 Month 01 Day

Last follow-up date

2023 Year 08 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2023 Year 01 Month 25 Day

Last modified on

2025 Year 01 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000056976