UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000055937
Receipt number R000063925
Scientific Title Early acquisition of knife control skills by capturing the operator's gaze position during colorectal endoscopic submucosal dissection
Date of disclosure of the study information 2024/12/01
Last modified on 2025/02/11 07:03:23

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Basic information

Public title

Early acquisition of knife control skills by capturing the operator's gaze position during colorectal endoscopic submucosal dissection

Acronym

Early acquisition of knife control skills by capturing the operator's gaze position during colorectal endoscopic submucosal dissection

Scientific Title

Early acquisition of knife control skills by capturing the operator's gaze position during colorectal endoscopic submucosal dissection

Scientific Title:Acronym

Early acquisition of knife control skills by capturing the operator's gaze position during colorectal endoscopic submucosal dissection

Region

Japan


Condition

Condition

Colorectal neoplasms

Classification by specialty

Gastroenterology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to verify whether the use of a developed eye position analysis system to teach trainee physicians while monitoring their eye position during ESD will lead to early improvement in knife control during ESD procedures.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Coefficient of variation of distance between lesion and specimen margins

Key secondary outcomes

1. Time required for resection
2. Average resection speed
3. R0 resection rate
4. Complete en bloc resection rate
5. Complication (bleeding, perforation) rate
6. ESD completion rate
7. Change of each endpoint in 5 early and 5 late cases


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification

NO

Dynamic allocation

YES

Institution consideration

Institution is considered as adjustment factor in dynamic allocation.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Maneuver

Interventions/Control_1

In the intevention arm, the supervising physician will provide verbal instructions to ensure that the operator's gaze position is appropriate. During mucosal incision, the operators will be instructed to correct the viewpoint position in real time so that they can gaze exactly 5 mm from the lesion margins.

Interventions/Control_2

In the control group, the supervising physician will provide instruction as usual while viewing an endoscopic monitor rather than a PC for data acquisition/analysis.

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

25 years-old <=

Age-upper limit

60 years-old >=

Gender

Male and Female

Key inclusion criteria

Inclusion criteria for ESD practitioners (training physicians)
1. Trainee physicians performing ESD under the education of a supervising physician (CS experience of at least 500 cases, cecal insertion success rate of at least 95%, and polypectomy experience of at least 100 cases)
2. Physicians with less than 5 ESD experiences as an operator at the time of entry into the study
3. Physicians who have been fully informed of the study participation and have obtained written consent from them.

Inclusion criteria for ESD patients
1. Patients aged between 20 and 90 years old.
2. Patients with performance status (ECOG) of 0 (no limitation in daily activities), 1 (able to perform light work but not physical labor), or 2 (able to walk and perform personal activities but not light work).
3. Patients has been fully informed of the study and has given written consent to participate in the study
4. Patients with colorectal lesions that are eligible for ESD and have a lesion diameter of 50 mm or less

Key exclusion criteria

Exclusion criteria for ESD patients
1. Patients with lesions located in areas where endoscopic manipulation is difficult (hepatic or splenic kyphosis, etc.)
2. Patients with lesions with large elevations and fibrosis directly under the lesion
3. Patients with lesions that straddle the mucosal folds
4. Patients with lesions on or near the scar
5. Patients with lesions that the supervising physician determines unsuitable for the practitioner to treat as an operator
6. Patients who are allergic to sedative medications
7. Patients who do not consent to participate in the study
8. Patients who are deemed unsuitable by the study registrar

Target sample size

80


Research contact person

Name of lead principal investigator

1st name Ishibashi
Middle name
Last name Fumiaki

Organization

International University of Health and Welfare Ichikawa Hospital

Division name

Department of Gastroenterology

Zip code

272-0827

Address

6-1-14, Konodai, Ichikawa-shi, Chiba

TEL

047-375-1111

Email

ishibashi-gast@iuhw.ac.jp


Public contact

Name of contact person

1st name Ishibashi
Middle name
Last name Fumiaki

Organization

International University of Health and Welfare Ichikawa Hospital

Division name

Department of Gastroenterology

Zip code

272-0827

Address

6-1-14, Konodai, Ichikawa-shi, Chiba

TEL

047-375-1111

Homepage URL


Email

ishibashi-gast@iuhw.ac.jp


Sponsor or person

Institute

International University of Health and Welfare Ichikawa Hospital

Institute

Department

Personal name



Funding Source

Organization

International University of Health and Welfare Ichikawa Hospital

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

NTT Medical Center Tokyo

Name of secondary funder(s)

Japan Society for the Promotion of Science


IRB Contact (For public release)

Organization

International University of Health and Welfare Institutional Review Board

Address

4-3, Kozunomori, Narita-shi, Chiba

Tel

0476-35-5613

Email

rinri_md@iuhw.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



Other administrative information

Date of disclosure of the study information

2024 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

Enrolling by invitation

Date of protocol fixation

2024 Year 09 Month 27 Day

Date of IRB

2024 Year 10 Month 02 Day

Anticipated trial start date

2024 Year 11 Month 05 Day

Last follow-up date

2025 Year 12 Month 31 Day

Date of closure to data entry

2026 Year 02 Month 28 Day

Date trial data considered complete

2026 Year 03 Month 31 Day

Date analysis concluded

2026 Year 05 Month 31 Day


Other

Other related information



Management information

Registered date

2024 Year 10 Month 24 Day

Last modified on

2025 Year 02 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000063925