UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000043178
Receipt number R000049285
Scientific Title Colonoscopic Randomized Clinical Trial for TXI-use additional 30-seconds observation for preventing missed polyps
Date of disclosure of the study information 2021/03/01
Last modified on 2023/05/02 00:58:28

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Basic information

Public title

Colonoscopic Randomized Clinical Trial for TXI-use additional 30-seconds observation for preventing missed polyps

Acronym

COLT-30 study

Scientific Title

Colonoscopic Randomized Clinical Trial for TXI-use additional 30-seconds observation for preventing missed polyps

Scientific Title:Acronym

COLT-30 study

Region

Japan


Condition

Condition

colorectal polyps

Classification by specialty

Gastroenterology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To analyze the non-inferiority of additional 30-seconds observation with texture and color enhancement imaging compared to that with narrow band imaging for preventing missed polyps

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Phase III


Assessment

Primary outcomes

neoplastic polyp number (adenoma and sessile serrated lesion) per patient detected with additional 30-seconds observation of TXI and NBI

Key secondary outcomes

In the TXI and NBI groups,
polyp detection rate with additional 30-seconds observation
adenoma and sessile serrated lesion number with additional 30-seconds observation
adenoma and sessile serrated lesion detection rate with additional 30-seconds observation
The increase of adenoma and sessile serrate lesions in first and second observation compared to first observation
The efficacy of addtional 30 seconds observation according to status of bowel preparation, types of endoscopes, endoscopist lvel


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -but assessor(s) are blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is considered as adjustment factor in dynamic allocation.

Blocking

NO

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Device,equipment

Interventions/Control_1

TXI observation for additional 30 secs observation

Interventions/Control_2

NBI observation for additional 30 secs observation

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

40 years-old <=

Age-upper limit

90 years-old >

Gender

Male and Female

Key inclusion criteria

age over 40 years
1. various symptoms such as abdominal pain, constipation, anemia, and hematochezia
2. surveillance after polyp or cancer resection
3. positive fecal occult blood
4. screening

Key exclusion criteria

1) surgical resection of right-sided colon
2) Familial adenomatous polyposis
3) Inflammatory bowel syndrome

Target sample size

370


Research contact person

Name of lead principal investigator

1st name Naohisa
Middle name
Last name Yoshida

Organization

Kyoto Prefectural University of Medicine

Division name

Molecular Gastroenterology and Hepatology

Zip code

602-8566

Address

465 Kajii-cho, Kamigyo-ku, Kyoto, Japan

TEL

075-251-5519

Email

naohisa@koto.kpu-m.ac.jp


Public contact

Name of contact person

1st name Naohisa
Middle name
Last name Yoshida

Organization

Kyoto Prefectural University of Medicine

Division name

Molecular Gastroenterology and Hepatology

Zip code

602-8566

Address

465 Kajii-cho, Kamigyo-ku, Kyoto, Japan

TEL

075-251-5519

Homepage URL


Email

naohisa@koto.kpu-m.ac.jp


Sponsor or person

Institute

Kyoto Prefectural University of Medicine

Institute

Department

Personal name



Funding Source

Organization

Molecular Gastroenterology and Hepatology, Kyoto Prefectural University of Medicine

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Department of Gastroenterology, Kyoto First Red Cross Hospital

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kyoto Prefectural University of Medicine

Address

465 Kajii-cho, Kamigyo-ku, Kyoto, Japan

Tel

075-251-5519

Email

naohisa@koto.kpu-m.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

京都府立医科大学(京都府)、京都第一赤十字病院(京都府)、西陣病院(京都府)


Other administrative information

Date of disclosure of the study information

2021 Year 03 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

Open public recruiting

Date of protocol fixation

2021 Year 02 Month 01 Day

Date of IRB

2021 Year 06 Month 29 Day

Anticipated trial start date

2021 Year 08 Month 01 Day

Last follow-up date

2022 Year 07 Month 31 Day

Date of closure to data entry

2022 Year 08 Month 15 Day

Date trial data considered complete

2022 Year 09 Month 01 Day

Date analysis concluded

2022 Year 09 Month 30 Day


Other

Other related information



Management information

Registered date

2021 Year 01 Month 29 Day

Last modified on

2023 Year 05 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000049285


Research Plan
Registered date File name
2023/05/02 revised COLT 20220117 研究計画書.docx

Research case data specifications
Registered date File name
2023/05/02 COLT study ポリープdataシート20210922.docx

Research case data
Registered date File name