UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058269
Receipt number R000066597
Scientific Title A Survey of Pathological Diagnosis Based on WHO Criteria and Endoscopic Findings of Colorectal Serrated Lesions
Date of disclosure of the study information 2025/06/25
Last modified on 2025/06/24 22:37:16

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Basic information

Public title

A Survey of Pathological Diagnosis Based on WHO Criteria and Endoscopic Findings of Colorectal Serrated Lesions

Acronym

Pathology and Endoscopy of Colorectal Serrated Lesions

Scientific Title

A Survey of Pathological Diagnosis Based on WHO Criteria and Endoscopic Findings of Colorectal Serrated Lesions

Scientific Title:Acronym

Pathology and Endoscopy of Colorectal Serrated Lesions

Region

Japan


Condition

Condition

colorectal serrated lesions

Classification by specialty

Gastroenterology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study aims to clarify the clinical impact of the 2019 WHO classification update by examining changes in the frequency and features of serrated lesions, especially SSAP and SSL, before and after the revision.

Basic objectives2

Others

Basic objectives -Others

Investigate the impact of changes in diagnostic criteria

Trial characteristics_1

Exploratory

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

Detection rate of SSAP or SSL per colonoscopy

Key secondary outcomes

1. Maximum diameter of SSAP or SSL
2. Morphology of SSAP or SSL (protruded type or flat type)
3. Location of SSAP or SSL detection (right colon, left colon, or rectum)
4. Presence of dysplasia in SSAP or SSL
5. Frequency, maximum diameter, morphology, detection site, and presence of dysplasia in serrated lesions other than SSAP or SSL


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

Patients diagnosed with colorectal serrated lesions based on the 2010 WHO diagnostic criteria between May 2013 and August 2018, and based on the 2019 WHO diagnostic criteria between January 2020 and December 2024.

Key exclusion criteria

Patients diagnosed with serrated lesions between September 2018 and December 2019

Target sample size

400


Research contact person

Name of lead principal investigator

1st name Kazutomo
Middle name
Last name Togashi

Organization

Fukushima Medical University

Division name

Department of Gastroenterology, Aizu Medical Center

Zip code

969-3492

Address

21-2 Maeda, Tanisawa, Kawahigashi-machi, Aizuwakamatsu-city

TEL

0242-75-2100

Email

togashik@fmu.ac.jp


Public contact

Name of contact person

1st name Kazutomo
Middle name
Last name Togashi

Organization

Fukushima Medical University

Division name

Department of Gastroenterology, Aizu Medical Center

Zip code

969-3492

Address

21-2 Maeda, Tanisawa, Kawahigashi-machi, Aizuwakamatsu-city

TEL

0242-75-2100

Homepage URL

https://fmu.bvits.com/rinri/Apply/project.aspx?PROJECT_ID=995

Email

togashik@fmu.ac.jp


Sponsor or person

Institute

Fukushima Medical University

Institute

Department

Personal name



Funding Source

Organization

Fukushima Medical University

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

Institusional Review Board, Fukushima Medical University

Address

1 Hikarigaoka, Fukushima-city

Tel

024-547-1111

Email

fmurec@fmu.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

2025 Year 06 Month 25 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

Preinitiation

Date of protocol fixation

2025 Year 04 Month 28 Day

Date of IRB


Anticipated trial start date

2025 Year 06 Month 25 Day

Last follow-up date

2025 Year 09 Month 30 Day

Date of closure to data entry

2025 Year 09 Month 30 Day

Date trial data considered complete

2025 Year 10 Month 31 Day

Date analysis concluded

2027 Year 12 Month 31 Day


Other

Other related information

Data on patients who may meet the eligibility criteria will be collected and compiled using the hospital database.


Management information

Registered date

2025 Year 06 Month 24 Day

Last modified on

2025 Year 06 Month 24 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066597