UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000002087
Receipt number R000002547
Scientific Title Yamagata Clinical Helicobacter pylori study group
Date of disclosure of the study information 2009/06/17
Last modified on 2009/06/17 16:52:46

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Basic information

Public title

Yamagata Clinical Helicobacter pylori study group

Acronym

Yamagata Study

Scientific Title

Yamagata Clinical Helicobacter pylori study group

Scientific Title:Acronym

Yamagata Study

Region

Japan


Condition

Condition

peptic ulcer

Classification by specialty

Gastroenterology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of H. pylori eradication therapy for treatment of peptic ulcer on the incidence of gastric cancer.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Incident rate ratio (IRR) of gastric cancer between patients receiving and not receiving H. pylori eradication therapy until end of 2007.

Key secondary outcomes

The accumulated incidences of gastric cancer in patients with successful and unsuccessful H. pylori eradication


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Medicine

Interventions/Control_1

H. pylori eradication therapy consisted of lansoprazole 30 mg or omeprazole 20 mg, plus amoxicillin 750 mg and clarithromycin 200 or 400 mg all twice daily for 7 days.

Interventions/Control_2

Conventional antacid therapy consisted of antacids such as proton-pump inhibitors (PPIs) and histamine-H2 blockers for 6 or 8 weeks.

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

12 years-old <

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients with H. pylori-positive peptic ulcer were considered eligible.

Key exclusion criteria

Patients with a history of gastric cancer and those in whom endoscopy or biopsy at the time of registration revealed gastric cancer were excluded from the study.

Target sample size

4000


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Katsuhiro Mabe

Organization

KKR Sapporo Medical Center

Division name

Gastroenterology

Zip code


Address

Hiragishi 1-6,Toyohira-ku,Sapporo

TEL


Email



Public contact

Name of contact person

1st name
Middle name
Last name Katsuhiro Mabe

Organization

KKR Sapporo Medical Center

Division name

Gastroenterology

Zip code


Address


TEL


Homepage URL


Email

kmabe@kkr-smc.com


Sponsor or person

Institute

Yamagata Clinical Helicobacter pylori study group

Institute

Department

Personal name



Funding Source

Organization

none

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


Address


Tel


Email



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

2009 Year 06 Month 17 Day


Related information

URL releasing protocol


Publication of results

Published


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

Completed

Date of protocol fixation

2000 Year 10 Month 01 Day

Date of IRB


Anticipated trial start date

2000 Year 11 Month 01 Day

Last follow-up date

2007 Year 12 Month 01 Day

Date of closure to data entry

2008 Year 02 Month 01 Day

Date trial data considered complete

2008 Year 04 Month 01 Day

Date analysis concluded

2008 Year 12 Month 01 Day


Other

Other related information



Management information

Registered date

2009 Year 06 Month 17 Day

Last modified on

2009 Year 06 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000002547


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name