UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000059851
Receipt number R000068445
Scientific Title Phase II study to evaluate Extensive intraoperative peritoneal lavage (EIPL) for gastric cancer patients with positive cytology either by peritoneal lavage stamp method
Date of disclosure of the study information 2025/11/22
Last modified on 2025/11/21 17:35:56

* 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

Phase II study to evaluate Extensive intraoperative peritoneal lavage (EIPL) for gastric cancer patients with
positive cytology either by peritoneal lavage stamp method

Acronym

Phase II study to evaluate EIPL for gastric cancer patients withpositive cytology

Scientific Title

Phase II study to evaluate Extensive intraoperative peritoneal lavage (EIPL) for gastric cancer patients with
positive cytology either by peritoneal lavage stamp method

Scientific Title:Acronym

Phase II study to evaluate EIPL for gastric cancer patients withpositive cytology

Region

Japan


Condition

Condition

Gastric Cancer

Classification by specialty

Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the efficacy of extensive lavage regarding recurrence free survival for patients with positive cytology either by extensive lavage or stamp method who during gastrectomy with D2 lymph node dissection.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase

Phase II


Assessment

Primary outcomes

Recurrence free survival

Key secondary outcomes

Overall survival, Recurrence site, postoperative adverse events


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Historical

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

extensive intra-peritoneal lavage for patients with CY or Stamp positve

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

Histologically diagnosed with gastric cancer (pap, tub1, tub2, por1, por2, sig, muc, or a special type) based on endoscopic biopsy from the primary gastric lesion.
Positive peritoneal lavage cytology or gastric wall imprint cytology, but no evidence of distant metastasis; eligible for R0/1 resection via gastrectomy with D2 lymph node dissection (including total or distal gastrectomy, and laparoscopic surgery). General anesthesia combined with epidural anesthesia will be used.
Esophageal invasion is within 3 cm and no thoracotomy has been performed.
Aged between 20 and 80 years.
Performance Status (ECOG) of 0 or 1.
No prior history of chemotherapy (including endocrine therapy) or radiotherapy, including for other malignancies.
Meets all of the following laboratory criteria (based on the most recent preoperative test results within 56 days prior to enrollment; tests conducted on the same weekday up to 8 weeks before enrollment are acceptable):
Data regarding WBC, Plt, AST, ALT, T-Bil, and Cre
Written informed consent for participation in the study has been obtained from the patient.

Key exclusion criteria

Women who are pregnant or breastfeeding, or who may be pregnant.
Individuals with psychiatric disorders or symptoms deemed unable to participate in the study.
Individuals receiving continuous systemic administration of steroids (oral or intravenous).
Individuals with a history of myocardial infarction within the past six months or with unstable angina.
Individuals with uncontrolled hypertension.
Individuals undergoing insulin therapy or with uncontrolled diabetes.
Individuals with respiratory diseases requiring continuous oxygen therapy.

Target sample size

65


Research contact person

Name of lead principal investigator

1st name Masaichi
Middle name
Last name Ohira

Organization

Osaka City University Hospital

Division name

Department of Gasgtroenterological Surgery

Zip code

545-8585

Address

1-4-3, Asahimachi, Abenoku, Osaka Citym Osaka Prefecture, Japan

TEL

81-6-6645-3835

Email

y_miki@omu.ac.jp


Public contact

Name of contact person

1st name Yuichiro
Middle name
Last name Miki

Organization

Osaka City University

Division name

Department of Gastroenterological Surgery

Zip code

545-8585

Address

1-4-3, Asahimachi, Abenoku, Osaka Citym Osaka Prefecture, Japan

TEL

81-6-6645-3835

Homepage URL


Email

y_miki@omu.ac.jp


Sponsor or person

Institute

Osaka City University

Institute

Department

Personal name



Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Osaka City University Hospital Institutional Review Board

Address

1-2-7, Asahimachi, Abenoku, Osaka Citym Osaka Prefecture, Japan

Tel

06-6645-3456

Email

gr-a-knky-ethics@omu.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 11 Month 22 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

13

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

2016 Year 12 Month 28 Day

Date of IRB

2017 Year 03 Month 07 Day

Anticipated trial start date

2017 Year 04 Month 01 Day

Last follow-up date

2024 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 11 Month 21 Day

Last modified on

2025 Year 11 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000068445