UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044644
Receipt number R000050992
Scientific Title Multicenter retrospective observational study to compare Prognosis of Patients with T1 Colorectal cancer with high Risk of lymph node metastasis after endoscopic treatment between additional surgery and observatioN (the POPCORN Study)
Date of disclosure of the study information 2021/06/24
Last modified on 2021/06/24 18:43:20

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Multicenter retrospective observational study to compare Prognosis of Patients with T1 Colorectal cancer with high Risk of lymph node metastasis after endoscopic treatment between additional surgery and observatioN (the POPCORN Study)

Acronym

Multicenter retrospective observational study to compare Prognosis of Patients with T1 Colorectal cancer with high Risk of lymph node metastasis after endoscopic treatment between additional surgery and observatioN (the POPCORN Study)

Scientific Title

Multicenter retrospective observational study to compare Prognosis of Patients with T1 Colorectal cancer with high Risk of lymph node metastasis after endoscopic treatment between additional surgery and observatioN (the POPCORN Study)

Scientific Title:Acronym

Multicenter retrospective observational study to compare Prognosis of Patients with T1 Colorectal cancer with high Risk of lymph node metastasis after endoscopic treatment between additional surgery and observatioN (the POPCORN Study)

Region

Japan


Condition

Condition

Colorectal Cancer

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To compare the long-term outcomes of the additional surgery group and the observation group in the patients after ESD (endoscopic submucosal dissection) for high-risk pT1 colorectal cancer.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Overall survival

Key secondary outcomes

Relapse-free survival, Morbidity rate and rate of lymph node metastasis in the additional surgery group


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 who met one or more of the following criteria after ESD for pT1b colorectal cancer

1) SM invasion depth of more than 1000 um
2) positive vascular invasion
3) poorly differentiated adenocarcinoma, signet ring cell carcinoma, mucinous carcinoma
4) high grade tumor budding (Grade 2/ 3) at the SM invasive part
5) positive vertical margin

Key exclusion criteria

1) Patients who underwent EMR (Endoscopic mucosal resection) instead of ESD

2) Patients who is judged to be ineligible to participate in the study by the research principal doctor

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Masakatsu
Middle name
Last name Numata

Organization

Yokohama City University

Division name

Department of Surgery

Zip code

236-0004

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa

TEL

045-787-2800

Email

numata@yokohama-cu.ac.jp


Public contact

Name of contact person

1st name Yosuke
Middle name
Last name Atsumi

Organization

Yokohama City University

Division name

Department of Surgery

Zip code

236-0004

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa

TEL

045-787-2800

Homepage URL


Email

yosuke21@yokohama-cu.ac.jp


Sponsor or person

Institute

Yokohama City University

Institute

Department

Personal name



Funding Source

Organization

Self funding

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

Yokohama City University

Address

3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa

Tel

045-787-2800

Email

rinri@yokohama-cu.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

2021 Year 06 Month 24 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

2021 Year 06 Month 11 Day

Date of IRB

2021 Year 06 Month 11 Day

Anticipated trial start date

2021 Year 06 Month 17 Day

Last follow-up date

2023 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Multicenter retrospective observational study


Management information

Registered date

2021 Year 06 Month 24 Day

Last modified on

2021 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=R000050992