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 |
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)
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)
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)
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)
Japan |
Colorectal Cancer
Gastrointestinal surgery |
Malignancy
NO
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.
Safety,Efficacy
Overall survival
Relapse-free survival, Morbidity rate and rate of lymph node metastasis in the additional surgery group
Observational
Not applicable |
Not applicable |
Male and Female
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
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
200
1st name | Masakatsu |
Middle name | |
Last name | Numata |
Yokohama City University
Department of Surgery
236-0004
3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa
045-787-2800
numata@yokohama-cu.ac.jp
1st name | Yosuke |
Middle name | |
Last name | Atsumi |
Yokohama City University
Department of Surgery
236-0004
3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa
045-787-2800
yosuke21@yokohama-cu.ac.jp
Yokohama City University
Self funding
Self funding
Yokohama City University
3-9, Fukuura, Kanazawa-ku, Yokohama, Kanagawa
045-787-2800
rinri@yokohama-cu.ac.jp
NO
2021 | Year | 06 | Month | 24 | Day |
Unpublished
Enrolling by invitation
2021 | Year | 06 | Month | 11 | Day |
2021 | Year | 06 | Month | 11 | Day |
2021 | Year | 06 | Month | 17 | Day |
2023 | Year | 03 | Month | 31 | Day |
Multicenter retrospective observational study
2021 | Year | 06 | Month | 24 | Day |
2021 | Year | 06 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050992