UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000031129
Receipt number R000035557
Scientific Title Assessment of additional diagnostic value of crystal violet staining with magnified endoscopy to narrow-band imaging magnified endoscopy for colorectal polyps: A multicenter prospective study
Date of disclosure of the study information 2018/02/05
Last modified on 2022/02/06 19:55:20

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Basic information

Public title

Assessment of additional diagnostic value of crystal violet staining with magnified endoscopy to narrow-band imaging magnified endoscopy for colorectal polyps: A multicenter prospective study

Acronym

NBI-CV study

Scientific Title

Assessment of additional diagnostic value of crystal violet staining with magnified endoscopy to narrow-band imaging magnified endoscopy for colorectal polyps: A multicenter prospective study

Scientific Title:Acronym

NBI-CV study

Region

Japan Europe


Condition

Condition

Colorectal polyp

Classification by specialty

Gastroenterology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To assess the additional diagnostic value of CV-ME to NBI-ME (accurate diagnosis including qualitative diagnosis and depth of carcinoma diagnosis) for colorectal polyps.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Diagnostic accuracy rate (additional diagnostic value of CV-ME to NBI-ME)

Key secondary outcomes



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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

(1) Adults aged 20 years or above
(2) Cases in which written informed consent is obtained before resection or biopsy
(3) Cases in which colonoscopy is performed after approval of the ethics committee at the registration facilities

Key exclusion criteria

(1) Cases judged to be inappropriate by the examining physician

Target sample size

1170


Research contact person

Name of lead principal investigator

1st name Naoya
Middle name
Last name Kato

Organization

Chiba University

Division name

Department of Gastroenterology

Zip code

2608677

Address

Inohana 1-8-1, Chiba-City, 260-8670

TEL

043-226-2083

Email

kato.naoya@chiba-u.jp


Public contact

Name of contact person

1st name Tomoaki
Middle name
Last name Matsumura

Organization

Chiba University

Division name

Department of Gastroenterology

Zip code

2608677

Address

Inohana 1-8-1, Chiba-City, 260-8670

TEL

043-226-2083

Homepage URL


Email

matsumura@chiba-u.jp


Sponsor or person

Institute

Department of Gastroenterology, Graduate School of Medicine, Chiba University, Chiba, Japan

Institute

Department

Personal name



Funding Source

Organization

Department of Gastroenterology, Graduate School of Medicine, Chiba University,Chiba, Japan

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

Chiba University

Address

Inohana 1-8-1, Chiba-City, 260-8670

Tel

+81432227171

Email

inohana-rinri@chiba-u.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

2018 Year 02 Month 05 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

No longer recruiting

Date of protocol fixation

2017 Year 12 Month 02 Day

Date of IRB

2018 Year 01 Month 22 Day

Anticipated trial start date

2018 Year 02 Month 02 Day

Last follow-up date

2022 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

N/A


Management information

Registered date

2018 Year 02 Month 03 Day

Last modified on

2022 Year 02 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000035557


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name