UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040514
Receipt number R000046121
Scientific Title Evaluation of gastroesophageal reflux using high-resolution manometry and pH monitor after proximal gastrectomy
Date of disclosure of the study information 2020/07/01
Last modified on 2021/05/28 14:32:27

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Basic information

Public title

Evaluation of gastroesophageal reflux using high-resolution manometry and pH monitor after proximal gastrectomy

Acronym

Evaluation of gastroesophageal reflux using high-resolution manometry and pH monitor after proximal gastrectomy

Scientific Title

Evaluation of gastroesophageal reflux using high-resolution manometry and pH monitor after proximal gastrectomy

Scientific Title:Acronym

Evaluation of gastroesophageal reflux using high-resolution manometry and pH monitor after proximal gastrectomy

Region

Japan


Condition

Condition

gastric cancer

Classification by specialty

Surgery in general Gastrointestinal surgery

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the esophageal reflux after proximal gastrectomy

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The difference of internal pressure at the anastomotic site between the types of reconstructions at more than 1 year after proximal gastrectomy.

Key secondary outcomes

The difference of DeMeester score between the types of reconstructions at more than 1 year after surgery.
The change of internal pressure and DeMeester score before and after proximal gastrectomy.
The associations between internal pressure or DeMeester score and quality of life.
The associations between internal pressure or DeMeester score and body weight change or prognostic nutritional index.


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

85 years-old >=

Gender

Male and Female

Key inclusion criteria

<Patients after proximal gastrectomy>
1) Patients who underwent proximal gastrectomy for gastric cancer at the University of Tokyo hospital
2) Patients who are 20-85 years old at the time of consent
3) Patients who do not receive chemotherapy or radiotherapy
4) Patients without recurrence
5) Patients who do not have other malignancy
6) Patients who are not hospitalized
7) Patients with the written consent

<Preoperative patients>
1) Patients with gastric cancer who is planed to perform proximal gastrectomy and do not receive neoadjuvant treatment.
2) Patients who are 20-85 years old at the time of consent
3) Patients without other organ malignancy
4) Patients who are not hospitalized
5) Patients with the written consent

Key exclusion criteria

1) Patients within 1 year after proximal gastrectomy (except preoperative patients)
2) Patients who are expected to be difficult to complete the examination
3) Patients who can not suspend anti-acid drugs.
4) Patients who have already joined this trial
5) Patients with contraindication for esophagogastroduodenoscopy.
a) hemodynamic and respiratory instability
b) hemorrhagic (except anti-coagulant drugs)
c) severe anastomotic stenosis
d) stenosis or obstruction of the bowel distal to the duodenum
e) intolerant to esophagogastroduodenoscopy
6) Patients who have difficulty in swallowing with the catheter inserted
7) Patients with allergy to the drugs we plan to use
8) Patients who are pregnant
9) Patients whom researchers regard as invalid

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Hiroharu
Middle name
Last name Yamashita

Organization

Graduate School of Medicine, The University of Tokyo

Division name

Department of Gastrointestinal Surgery

Zip code

113-8655

Address

7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan

TEL

03-3815-5411

Email

hyamashi-tky@umin.net


Public contact

Name of contact person

1st name Tetsuro
Middle name
Last name Toriumi

Organization

Graduate School of Medicine, The University of Tokyo

Division name

Department of Gastrointestinal Surgery

Zip code

113-8655

Address

7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan

TEL

03-3815-5411

Homepage URL


Email

toriumi-tky@umin.ac.jp


Sponsor or person

Institute

The University of Tokyo

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

Office for Human Research Studies, Graduate School of Medicine and Faculty of Medicine, The University of Tokyo

Address

7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan

Tel

03-5841-0818

Email

ethics@m.u-tokyo.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

2020 Year 07 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

2020 Year 05 Month 17 Day

Date of IRB

2020 Year 06 Month 12 Day

Anticipated trial start date

2020 Year 07 Month 01 Day

Last follow-up date

2026 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

None


Management information

Registered date

2020 Year 05 Month 25 Day

Last modified on

2021 Year 05 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046121


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name