UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040731
Receipt number R000046507
Scientific Title A multicenter cohort study to elucidate the effect of endoscopic polypectomy on the incidence of colorectal cancer- the Japan Polyp Study Cohort
Date of disclosure of the study information 2020/06/12
Last modified on 2020/06/12 15:42:40

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Basic information

Public title

A multicenter cohort study to elucidate the effect of endoscopic polypectomy on the incidence of colorectal cancer- the Japan Polyp Study Cohort

Acronym

Japan Polyp Study (JPS) Cohort

Scientific Title

A multicenter cohort study to elucidate the effect of endoscopic polypectomy on the incidence of colorectal cancer- the Japan Polyp Study Cohort

Scientific Title:Acronym

Japan Polyp Study (JPS) Cohort

Region

Japan


Condition

Condition

Colorectal cancer

Classification by specialty

Gastroenterology

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

Verification of the effect of reduction for colorectal cancer incidence and mortality by endoscopic polypectomy

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Incidence of invasive cancer at 6, 9 and 12 years after clean colon (Complete removal of colorectal neoplasia)

Key secondary outcomes

1) Incidence of index lesions (ILs: large adenoma >10 mm, high-grade adenoma, cancer) at 6, 9 and 12 years after clean colon (Complete removal of colorectal neoplasia)
2) Effect of reduction for colorectal cancer mortality by endoscopic polypectomy


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

40 years-old <=

Age-upper limit

69 years-old >=

Gender

Male and Female

Key inclusion criteria

Japan Polyp Study enrolled patients who are considered to be available until the completion of the cohort study

Key exclusion criteria

1. Informed Consent (IC) refusal example
2. Subjects with serious comorbidities (active other organ cancer, severe chronic heart failure, renal failure, liver failure, etc.)
3. When the doctor in charge determines that the registration for this study is inappropriate

Target sample size

2000


Research contact person

Name of lead principal investigator

1st name Takahisa
Middle name
Last name Matsuda

Organization

National Cancer Center Hospital, Tokyo

Division name

Cancer Screening Center/ Endoscopy Division

Zip code

1040045

Address

5-1-1 Tsukiji, Chuo-ku, Tokyo

TEL

0335422511

Email

tamatsud@ncc.go.jp


Public contact

Name of contact person

1st name Mika
Middle name
Last name Mori

Organization

National Cancer Center Hospital, Tokyo

Division name

Cancer Screening Center/ Endoscopy Division

Zip code

1040045

Address

5-1-1 Tsukiji, Chuo-ku, Tokyo

TEL

0335422511

Homepage URL


Email

mmori@ncc.go.jp


Sponsor or person

Institute

National Cancer Center

Institute

Department

Personal name



Funding Source

Organization

National Cancer Center, National Cancer Center Research and Development Fund

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

The Japan Polyp Study Workgroup

Name of secondary funder(s)



IRB Contact (For public release)

Organization

National Cancer Center

Address

5-1-1 Tsukiji, Chuo-ku, Tokyo

Tel

0335422511

Email

tamatsud@ncc.go.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

国立がん研究センター中央病院(東京都)、国立がん研究センター東病院(千葉県)、大阪国際がんセンター(大阪府)、服部胃腸科・尾田胃腸内科(熊本県)、昭和大学病院(東京都)、昭和大学横浜市北部病院(神奈川県)、北里大学病院(神奈川県)、栃木県立がんセンター(栃木県)、藤井隆広クリニック(東京都)、JA長野厚生連佐久総合病院(長野県)、静岡県立静岡がんセンター(静岡県)


Other administrative information

Date of disclosure of the study information

2020 Year 06 Month 12 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

1291

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

2008 Year 04 Month 25 Day

Date of IRB

2008 Year 08 Month 20 Day

Anticipated trial start date

2008 Year 09 Month 01 Day

Last follow-up date

2025 Year 09 Month 30 Day

Date of closure to data entry

2027 Year 09 Month 30 Day

Date trial data considered complete

2027 Year 09 Month 30 Day

Date analysis concluded

2028 Year 09 Month 30 Day


Other

Other related information

Research progress is as planned.


Management information

Registered date

2020 Year 06 Month 12 Day

Last modified on

2020 Year 06 Month 12 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046507


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name
2020/06/12 ★JPS2041名 コホートデータ_UMIN登録用.xlsx