UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056497
Receipt number R000064562
Scientific Title Function analysis of the intraperitoneal and peritoneal pre-metastatic niche in peritoneal dissemination of gastric cancer.
Date of disclosure of the study information 2025/01/01
Last modified on 2025/12/27 11:01:45

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Basic information

Public title

Function analysis of the intraperitoneal and peritoneal pre-metastatic niche in peritoneal dissemination of gastric cancer.

Acronym

Analysis of the peritoneum pre-metastatic niche of gastric cancer

Scientific Title

Function analysis of the intraperitoneal and peritoneal pre-metastatic niche in peritoneal dissemination of gastric cancer.

Scientific Title:Acronym

Analysis of the peritoneum pre-metastatic niche of gastric cancer

Region

Japan


Condition

Condition

Peritoneal dissemination of gastric cancer

Classification by specialty

Hepato-biliary-pancreatic surgery

Classification by malignancy

Malignancy

Genomic information

YES


Objectives

Narrative objectives1

To clarify the changes in the intra-abdominal and peritoneal microenvironment before peritoneal metastasis of gastric cancer

Basic objectives2

Others

Basic objectives -Others

Education of pathogenesis

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Microenvironmental changes in the normal peritoneum with and without peritoneal dissemination

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

Patients who have given written consent to participate in the study
Patients who were at least 20 years old at the time of consent

Key exclusion criteria

Patients who require emergency tumor resection due to bleeding, stenosis or perforation caused by tumors
Patients with residual stomach cancer
Pregnant or lactating patients
Patients with severe liver or kidney dysfunction
Patients who are judged to be lacking the capacity to consent
Other patients who are judged to be unsuitable by the principal investigator or sub-investigators

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Yuichiro
Middle name
Last name Doki

Organization

Osaka University, Graduate school of Medicine

Division name

Department of Gastroenterological surgery

Zip code

5650871

Address

2-15 Yamadaoka, Suita-shi, Osaka, Japan

TEL

06-6879-5111

Email

ydoki@gesurg.med.osaka-u.ac.jp


Public contact

Name of contact person

1st name Rennosuke
Middle name
Last name Nakamoto

Organization

Osaka University, Graduate school of Medicine

Division name

Department of Gastroenterological surgery

Zip code

5650871

Address

2-15 Yamadaoka, Suita-shi, Osaka, Japan

TEL

06-6879-5111

Homepage URL


Email

rnakamoto@gesurg.med.osaka-u.ac.jp


Sponsor or person

Institute

Osaka 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

Institutional Review Board of Osaka University Hospital

Address

2-2 Yamadaoka, Suita-shi, Osaka, Japan

Tel

06-6210-8290

Email

jim-chiken@hp-crc.med.osaka-u.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 01 Month 01 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

Open public recruiting

Date of protocol fixation

2024 Year 12 Month 24 Day

Date of IRB

2025 Year 01 Month 08 Day

Anticipated trial start date

2024 Year 12 Month 25 Day

Last follow-up date

2030 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Microenvironmental changes in the normal peritoneum with and without peritoneal dissemination
Differences in the microenvironment in the peritoneal dissemination nodule and the surrounding normal peritoneum in cases of peritoneal dissemination
Prognostic analysis based on microenvironmental differences


Management information

Registered date

2024 Year 12 Month 19 Day

Last modified on

2025 Year 12 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064562