UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000051417
Receipt number R000058652
Scientific Title A multicenter prospective cohort study regarding the relationship between CYP2E1 or CYP2A6 polymorphism and multiple gastric cancers
Date of disclosure of the study information 2023/06/22
Last modified on 2023/06/22 18:04:24

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Basic information

Public title

A multicenter prospective cohort study regarding the relationship between CYP2E1 or CYP2A6 polymorphism and multiple gastric cancers

Acronym

Tohoku GI-P study

Scientific Title

A multicenter prospective cohort study regarding the relationship between CYP2E1 or CYP2A6 polymorphism and multiple gastric cancers

Scientific Title:Acronym

Tohoku GI-P study

Region

Japan


Condition

Condition

Early gastric cancer

Classification by specialty

Hepato-biliary-pancreatic medicine

Classification by malignancy

Malignancy

Genomic information

YES


Objectives

Narrative objectives1

To reveal the relationship between CYP2E1 or CYP2A6 polymorphism and multiple gastric cancers in patients after endoscopic submucosal dissection (ESD) for the initial early gastric cancers (EGCs)

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The relationship between CYP2A6 polymorphism and multiple gastric cancers

Key secondary outcomes

1. The relationship among CYP2A6 polymorphism, the amount of smoking, duration of smoking, and metachronous gastric cancers
2. The relationship among CYP2A6 polymorphism, the amount of smoking, duration of smoking, and metachronous gastric cancers
3. The relationship among CYP2A6 polymorphism, the amount of smoking, duration of smoking, and metachronous gastric cancers
4. The relationship between the duration of cessation and metachronous gastric cancers in each CYP2A6 polymorphism
5. The relationship between CYP2E1 polymorphism and multiple gastric cancers
6. The relationship among CYP2E1 polymorphism, the amount of drinking, duration of drinking, and multiple gastric cancers
7. The relationship among CYP2E1 polymorphism, the amount of drinking, duration of drinking, and synchronous gastric cancers
8. The relationship among CYP2E1 polymorphism, the amount of drinking, duration of drinking, and metachronous gastric cancers
9. The relationship between the duration of abstinence and metachronous gastric cancers in each CYP2E1 polymorphism
10. The relationship among ADH1B, ALDH2, and CYP2E1 polymorphisms, drinking, and multiple gastric cancers
11. The relationship among CYP2A6 and CYP2E1 polymorphisms, smoking, drinking, and esophageal cancers
12. The relationship between CEA and multiple gastric cancers


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

82 years-old >=

Gender

Male and Female

Key inclusion criteria

Patients who were enrolled in the Tohoku GI study (UMIN000023385) (registration: 2016-2019) and those in whom informed consent for participating in this study are acquired will be enrolled in this study. The inclusion and exclusion criteria for that study are as follows.
<Inclusion criteria in a study of UMIN000023385>
1. Patients with first early gastric cancers which will be treated by ESD
2. Patients with 0-2 of performance status (PS) in an Eastern Cooperative Oncology Group (ECOG) criteria
3. Patients agreeing with the participation of this study
<Inclusion criteria in a study of UMIN000023385>
1. Patients with a history of endoscopic resection for early gastric cancers
2. Patients with a history or a plan of gastrectomy
3. Patients with a history or a plan of chemotherapy for gastric cancers
4. Patients with a history or a plan of surgery, chemotherapy, or radiation therapy for esophageal cancers
5. Patients with a history of chemotherapy for malignant tumors excluding gastric or esophageal cancers within 5 years
6. Patients with malignant tumors except for gastric or esophageal cancers who have a plan for endocrine therapy, chemotherapy, or radiation at the time of enrollment
7. Patients with early gastric cancers which did not meet the curative resection for ESD in the guidelines
8. Patients with gastric lesions diagnosed as Group 4 in the preoperative diagnosis resulting as no cancer in the pathological diagnosis of ESD specimen
9. Patients with pregnancy or breast-feeding
10. Patients with severe psychiatric disease
11. Patients regard as inappropriate for enrollment by the researcher
12. Patients whose serum creatinine level are 2.0 mg/dL or more
13. Patients who cannot understand Japanese language

Key exclusion criteria

None

Target sample size

680


Research contact person

Name of lead principal investigator

1st name Tomoyuki
Middle name
Last name Koike

Organization

Tohoku University Graduate School of Medicine

Division name

Division of Gastroenterology

Zip code

9808574

Address

1-1 Seiryo-machi, Aoba-ku, Sendai

TEL

0227177171

Email

tkoike@rd5.so-net.ne.jp


Public contact

Name of contact person

1st name Waku
Middle name
Last name Hatta

Organization

Tohoku University Graduate School of Medicine

Division name

Division of Gastroenterology

Zip code

9808574

Address

1-1 Seiryo-machi, Aoba-ku, Sendai

TEL

0227177171

Homepage URL


Email

waku-style@festa.ocn.ne.jp


Sponsor or person

Institute

Tohoku University Graduate School of Medicine

Institute

Department

Personal name

Tomoyuki Koike


Funding Source

Organization

Japanese Gastroenterological Association

Organization

Division

Category of Funding Organization

Non profit foundation

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics Committee Tohoku University Graduate School of Medicine

Address

2-1 Seiryo-machi, Aoba-ku, Sendai, Japan

Tel

022-717-8007

Email

med-kenkyo@grp.tohoku.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

2023 Year 06 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


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

2023 Year 05 Month 17 Day

Date of IRB

2023 Year 06 Month 21 Day

Anticipated trial start date

2023 Year 06 Month 22 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Tohoku GI study (UMIN000023385) is now ongoing, and its sample size was set as 850. In this study, cases with follow out and refuse to this study were expected to be 10% each. Thus, the sample size in this study was set as 680.


Management information

Registered date

2023 Year 06 Month 22 Day

Last modified on

2023 Year 06 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000058652


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name